ATA5577M233AC-DBB [MICROCHIP]
IC RFID 125KHZ R/W 330PF BUMP;型号: | ATA5577M233AC-DBB |
厂家: | MICROCHIP |
描述: | IC RFID 125KHZ R/W 330PF BUMP 电信 电信集成电路 |
文件: | 总55页 (文件大小:944K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
ATA5577C
ATA5577C – Read/Write LF RFID IDIC 100 kHz to 150 kHz
Introduction
The ATA5577C is a contactless read/write Identification Integrated Chip (IDIC®) for applications in the 125 kHz or 134
kHz frequency band. A single coil connected to the chip serves as the IC’s power supply and bidirectional
communication interface. The antenna and chip together form a transponder or tag. The on-chip 363-bit EEPROM
(11 blocks with 33 bits each) is read and written blockwise from a base station (reader). Data are transmitted from the
IDIC (uplink) using load modulation. This is achieved by damping the RF field with a resistive load between the two
terminals, “Coil 1 and Coil 2”. The IC receives and decodes serial base station commands (downlink), which are
encoded as 100% amplitude modulated On-Off Keying (OOK) Pulse Interval Encoded (PIE) bit streams.
Features
These are the following features of read/write LF RFID IDIC 100 kHz to 150 kHz:
•
•
•
•
•
•
•
•
Contactless Power Supply
Contactless Read/Write Data Transmission
Radio Frequency fRF from 100 kHz to 150 kHz
Basic mode or Extended mode
Compatible with T5557, ATA5567
Replacement for e5551/T5551 in Most Common Operation modes
Configurable for ISO/IEC 11784/785 Compatibility
Total 363 Bits EEPROM Memory: 11 Blocks (32 bits + 1 lock bit):
– 7 × 32 bits EEPROM user memory, including 32-bit password memory
– 2 × 32 bits for unique ID
– 1 × 32-bit Option register in EEPROM to set up the analog front end:
•
•
•
•
•
•
Clock and gap detection level
Improved downlink timing
Clamp and modulation voltage
Soft modulation switching
Write damping like the T5557/ATA5567 or with resistor
Downlink protocol
– 1 × 32-bit Configuration register in EEPROM to set up:
•
Data rate
– RF/2 to RF/128, binary-selectable or
– Fixed Basic mode rates
Modulation/coding
•
•
– Bi-phase, Manchester, Frequency Shift Keying (FSK), Phase-Shift Keying (PSK), Non-Return-to-
Zero (NRZ)
Other options:
– Password mode
– Max block feature
– Direct Access mode
– Sequence terminator(s)
DS70005357B-page 1
Datasheet
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ATA5577C
– Blockwise write protection (lock bit)
– Answer-On-Request (AOR) mode
– Inverse data output
– Disable Test mode access
– Fast downlink (~6 kbps versus ~3 kbps)
– OTP functionality
– Init delay (~67 ms)
•
•
High Q-Antenna Tolerance due to Build In Options
Adaptable to Different Applications:
– Access control
– Animal ID
– Waste management
•
•
On-Chip Trimmed Antenna Capacitor:
– 250 pF/330 pF (±3%)
Pad Options:
– ATA5577M1C
•
100 μm × 100 μm for wire bonding or flip chip
– ATA5577M2C
200 μm × 400 μm for direct coil bonding
•
DS70005357B-page 2
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Table of Contents
Introduction.....................................................................................................................................................1
Features......................................................................................................................................................... 1
1. Compatibility............................................................................................................................................5
2. System Block Diagram............................................................................................................................6
3. ATA5577C – Functional Blocks...............................................................................................................7
3.1. Analog Front End (AFE)...............................................................................................................7
3.2. AFE Option Register.................................................................................................................... 7
3.3. Data-Rate Generator....................................................................................................................7
3.4. Write Decoder.............................................................................................................................. 8
3.5. HV Generator............................................................................................................................... 8
3.6. DC Supply.................................................................................................................................... 8
3.7. Power-on Reset (POR)................................................................................................................ 8
3.8. Clock Extraction........................................................................................................................... 8
3.9. Controller......................................................................................................................................8
3.10. Mode Register..............................................................................................................................8
3.11. Modulator..................................................................................................................................... 8
3.12. Memory........................................................................................................................................ 9
3.13. Traceability Data Structure/Unique ID..........................................................................................9
4. Operating the ATA5577C.......................................................................................................................11
4.1. Configuring the ATA5577C......................................................................................................... 11
4.2. Soft Modulation Switching..........................................................................................................13
4.3. Demodulation Delay...................................................................................................................13
4.4. Write Damping............................................................................................................................14
4.5. Initialization and Init Delay..........................................................................................................14
4.6. Modulator in Basic Mode............................................................................................................15
4.7. Maxblock Setting........................................................................................................................15
4.8. Password Mode..........................................................................................................................15
4.9. Answer-On-Request (AOR) Mode..............................................................................................15
4.10. ATA5577C in Extended Mode (X-mode).................................................................................... 17
4.11. Tag-to-Reader Communication.................................................................................................. 19
4.12. Reader to Tag Communication...................................................................................................21
4.13. Programming..............................................................................................................................28
5. Error Handling.......................................................................................................................................30
5.1. Errors During Command Sequence........................................................................................... 30
5.2. Errors Before/During Programming the EEPROM..................................................................... 30
6. Animal ID...............................................................................................................................................38
7. Electrical Characteristics.......................................................................................................................40
8. Ordering Information............................................................................................................................. 42
8.1. Ordering Details for Pad Type 1.................................................................................................43
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ATA5577C
8.2. Ordering Details for Pad Type 2.................................................................................................44
8.3. Configuration on Delivery...........................................................................................................44
9. Package Information............................................................................................................................. 45
10. Document Revision History...................................................................................................................52
10.1. Atmel Revision History............................................................................................................... 52
The Microchip Website.................................................................................................................................53
Product Change Notification Service............................................................................................................53
Customer Support........................................................................................................................................ 53
Microchip Devices Code Protection Feature................................................................................................53
Legal Notice................................................................................................................................................. 53
Trademarks.................................................................................................................................................. 54
Quality Management System....................................................................................................................... 54
Worldwide Sales and Service.......................................................................................................................55
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Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Compatibility
1.
Compatibility
The ATA5577C is designed to be compatible with the T5557/ATA5567. The structure of the Configuration register is
identical. The two modes, Basic mode and Extended mode, are also available. The ATA5577C is able to replace the
e5551/T5551 in most common operation modes. In all applications, the correct functionality of the replacements must
be evaluated and proved. For more details, refer to product-relevant application notes on the Microchip website.
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ATA5577C
System Block Diagram
2.
System Block Diagram
The following figure illustrates the system block diagram of the RFID system.
Figure 2-1.ꢀRFID System Using ATA5577C Tag
Transponder
Power
Reader
or
Memory
Base station
1
)
Data
Microchip ATA5577
1
) Mask option
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Datasheet
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ATA5577C
ATA5577C – Functional Blocks
3.
ATA5577C – Functional Blocks
The following figure illustrates the functional block of ATA5577C.
Figure 3-1.ꢀBlock Diagram
AFE option register
POR
Modulator
Coil 1
Mode register
Memory
1
)
(363-bit EEPROM)
Controller
Test logic
Coil 2
Input register
HV generator
1
) Mask option
3.1
Analog Front End (AFE)
The AFE includes all circuits that are directly connected to the coil terminals. It generates the IC’s power supply and
handles the bidirectional data communication with the reader.
The AFE consists of the following blocks:
•
•
•
•
•
Rectifier to generate a DC supply voltage from the AC coil voltage
Clock extractor
Switchable load between “Coil 1 and Coil 2” for data transmission from the tag to the reader
Field gap detector for data transmission from the base station to the tag
Electrostatic Discharge (ESD) protection circuitry
3.2
3.3
AFE Option Register
The Option register maintains a readable shadow copy of the data held in the EEPROM page 1, block 3 ( refer to
Figure 3-2). This contains the AFE level and threshold settings, with enhanced downlink protocol selection with which
the device is fine-tuned for perfect operation and all application environments. It is continually refreshed during Read
mode operation and reloaded after every Power-on Reset event or Reset command. By default, the Option register is
preprogrammed according to Table 8-3.
Data-Rate Generator
The data rate is binary programmable to operate at any even numbered data rate between RF/2 and RF/128, or to
any of the fixed Basic mode data rates (RF/8, RF/16, RF/32, RF/40, RF/50, RF/64, RF/100 and RF/128).
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ATA5577C
ATA5577C – Functional Blocks
3.4
Write Decoder
The write decoder detects the write gaps and verifies the validity of the data stream according to the e555x downlink
protocol (pulse interval encoding).
3.5
3.6
HV Generator
This on-chip charge pump circuit generates the high voltage required to program the EEPROM.
DC Supply
Power is supplied to the IDIC externally via the two coil connections. The IC rectifies and regulates this RF source,
and uses it to generate its supply voltage.
3.7
3.8
3.9
Power-on Reset (POR)
The POR circuit blocks the voltage supply to the IDIC until an acceptable voltage threshold is reached.
Clock Extraction
The clock extraction circuit uses the external RF signal as its internal clock source.
Controller
The control logic module executes the following functions:
•
•
Loads Mode register with configuration data from EEPROM block 0 after power-on and during reading
Loads Option register with the settings for the analog front end stored in EEPROM page 1, block 3 ( refer to
Figure 3-2) after power-on and during reading
•
•
Controls all EEPROM memory read/write access and data protection
Handles the downlink command decoding detecting protocol violations and error conditions
3.10
3.11
Mode Register
The Mode register maintains a readable shadow copy of the configuration data held in block 0 of the EEPROM. It is
continually refreshed during Read mode and reloaded after every POR event or Reset command. On delivery, the
Mode register is preprogrammed according to Table 8-3.
Modulator
The modulator encodes the serialized EEPROM data for transmission to a tag reader or base station.
Several types of modulation are available:
•
•
•
•
•
Manchester
Bi-phase
FSK
PSK
NRZ
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Datasheet
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ATA5577C
ATA5577C – Functional Blocks
3.12
Memory
The following figure shows the memory map of ATA5577C.
Figure 3-2.ꢀMemory Map
The memory is a 363-bit EEPROM, which is arranged in 11 blocks of 33 bits each. Each block includes a single lock
bit, which is responsible for write-protecting the associated block. Programming takes place on a block basis, so a
complete block (including lock bit) is programmed with a single command.
The memory is subdivided into two page areas:
•
•
Page 0 contains eight blocks
Page 1 contains three blocks
All 33 bits of a block, including the lock bit, are programmed simultaneously. Block 0 of page 0 (refer to Figure 3-2)
contains the mode/configuration data, which are not transmitted during Regular-Read mode operations.
Addressing block 0 always affects block 0 of page 0 (refer to Figure 3-2) regardless of the page selector. Block 7 of
page 0 (refer to Figure 3-2) may be used as a protection password. Block 3 of page 1 (refer to Figure 3-2) contains
the AFE Option register, which is also not transmitted during Regular-Read mode operation. Bit ‘0’ of every block is
the lock bit for that block.
Once locked, the block (including the lock bit itself) is not reprogrammable via the RF field. Blocks 1 and 2 of page 1
(refer to Figure 3-2) contain traceability data and are transmitted with the modulation parameters defined in the
Configuration register after the opcode ‘11’ is issued by the reader (see Figure 4-15 and Figure 4-16). The
traceability data blocks are programmed and locked by ATA5577C.
3.13
Traceability Data Structure/Unique ID
Blocks 1 and 2 of page 1 (refer to Figure 3-2) contain the traceability data and are programmed and locked by
ATA5577C during production testing (1). The Most Significant Byte (MSB) of block 1 is fixed to E0h, the Allocation
Class (ACL), as defined in ISO/IEC 15963-1. The second byte is, therefore, defined in ISO/IEC 7816-6 as the
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ATA5577C
ATA5577C – Functional Blocks
manufacturer ID (15h). The following five bits indicate chip ID (CID – ‘00001b’ for ATA5577M1 and ‘00010b’ for
ATA5577M2), and the next bits (IC revision, ICR) are used by Microchip for the IC and/or foundry version of the
ATA5577C. The lower 40 bits of data encode Microchip’s traceability information and conform to a unique numbering
system (unique ID). These 40 data bits contain the lot ID (year, quarter, number), wafer number (Wafer#) and die
number of the wafer (DW).
Note:ꢀ
1. This is only valid for sawn wafer on foil delivery.
Figure 3-3.ꢀATA5577C Traceability Data Structure
•
•
•
ACL – Allocation Class as defined in ISO/IEC 15963-1 = E0h
MFC – Atmel Corporation Manufacturer Code as defined in ISO/IEC 7816-6 = 15h
CID – 5-bit Chip ID for identification of the different products: ‘00001b’ for ATA5577M1 and ‘00010b’ for
ATA5577M2
•
•
•
•
•
•
ICR – 3-bit IC Revision to identify foundry and/or revision of IC
Year – 1-digit BCD encoded year of manufacturing
Quarter – 2 bits for quarter of manufacturing
Number – 14 bits of consecutive number
Wafer# – 5 bits for wafer number
DW – 15 bits designating sequential die number on wafer
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Datasheet
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ATA5577C
Operating the ATA5577C
4.
Operating the ATA5577C
4.1
Configuring the ATA5577C
The following figures illustrates the configuration of the ATA5577C.
Figure 4-1.ꢀBlock 3 Page 1 – Analog Front-End Option Setup 1
Note:ꢀ
1. If the option key is 6 or 9, the front-end options are activated. For all other values, they take on the default
state (all ‘0’s). If the option key is 6, then the complete page 1 (that is, Option register and traceability data)
cannot be overwritten by any test write command. This means that if the lock bits of the three blocks of page 1
are set and the option key is 6, then all of page 1’s blocks (refer to Figure 3-2) are locked against change.
2. Weak field condition.
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ATA5577C
Operating the ATA5577C
Figure 4-2.ꢀBlock 0 Page 0 – Configuration Mapping in Basic Mode
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ATA5577C
Operating the ATA5577C
Figure 4-3.ꢀBlock 0 Page 0 – Configuration Mapping in Extended Mode (X-mode)
4.2
Soft Modulation Switching
Modulation switching results in abrupt rise of the modulation signal at the beginning of each modulation. This could
lead to clock losses, and therefore, timing violations, especially in applications with high-quality antennas. To prevent
this, several soft modulation settings can be chosen for a soft transition into the modulation state. Soft modulation
must be used in combination with modulation schemes and data rates which do not involve high-frequency
modulation changes.
Figure 4-4.ꢀSoft Modulation Switching Scheme
4.3
Demodulation Delay
Soft modulation causes imbalance in modulated and unmodulated phases. Depending on the soft modulation setting,
the unmodulated phase is longer than the modulated phase. To balance out this mismatch, the switch point from the
modulated to the unmodulated phase is delayed for one or two pulses. These delays and soft modulation switching
must be used in combination with modulation schemes and data rates which do not involve high-frequency
modulation changes.
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Datasheet
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ATA5577C
Operating the ATA5577C
Figure 4-5.ꢀDemodulation Delay Scheme
4.4
4.5
Write Damping
Reader-to-tag communication is initialized by sending a start gap from the reader station. To ease gap detection with
respect to detecting subsequent field gaps reliably, receive damping and low attenuation are activated by default. A
higher attenuation factor is switched on to fasten the relaxation time, especially in combination with high-quality coils.
Using antenna coils with a low Q-factor might make it feasible to switch off the write damping. This results in better
energy balance, and therefore, improved write distance.
Initialization and Init Delay
The POR circuit remains active until an adequate voltage threshold is reached. This, in turn, triggers the default
initialization delay sequence. During this configuration period, for 192 field clocks, the ATA5577C is initialized with the
configuration data stored in EEPROM block 0 (refer to Figure 3-2) and with the options stored in block 3, page 1
(refer to Figure 3-2).
Tag modulation in Regular-Read mode is observed for 3 ms after entering the RF field. If the init delay bit is set, the
ATA5577C variant with damping during initialization remains in a permanent damping state for t ~ 69 ms at f = 125
kHz.
The ATA5577C variant without damping starts modulation after t ~ 69 ms without damping:
•
Init delay = 0: TINIT = 192 × TC + TPOR ~ 3 ms; TC = 8 μs at f = 125 kHz (TPOR denotes delay for POR and
depends on environmental conditions)
•
Init delay = 1: TINIT = (192 + 8192) × TC + TPOR ~ 69 ms
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Datasheet
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ATA5577C
Operating the ATA5577C
Any field gap occurring during this initialization phase, restarts the complete sequence. After this initialization time,
the ATA5577C enters Regular-Read mode, and modulation starts automatically using the parameters defined in the
Configuration register.
4.6
Modulator in Basic Mode
The modulator consists of data encoders for the following types of modulation in Basic mode:
Table 4-1.ꢀTypes of Modulation in Basic Mode
Mode
Direct Data Output
0 = RF/8
FSK1a(1)
FSK2a(1)
FSK1(1)
FSK2(1)
PSK1(2)
PSK2(2)
PSK3(2)
FSK/8 – FSK/5
FSK/8 – FSK/10
FSK/5 – FSK/8
FSK/10 – FSK/8
1 = RF/5
1 = RF/10
1 = RF/8
1 = RF/8
0 = RF/8
0 = RF/5
0 = RF/10
Phase change when input changes
Phase change on bit clock if input high
Phase change on rising edge of input
0 = falling edge, 1 = rising edge
Manchester
Bi-phase
NRZ
1 = creates an additional mid-bit change
1 = damping on, 0 = damping off
Note:ꢀ
1. A common multiple of bit rate and FSK frequencies is recommended.
2. In PSK mode, the selected data rate must be an integer multiple of the PSK sub-carrier frequency.
4.7
4.8
Maxblock Setting
After entering Regular-Read mode, the ATA5577C transmits the data content starting with block 1. The MAXBLK
setting defines how many data blocks are transmitted.
Password Mode
When Password mode is active (PWD = 1), the first 32 bits after the opcode are regarded as the password. They are
compared bit-by-bit with the contents of block 7, starting at bit 1. If the comparison fails, the ATA5577C must not
program the memory. Instead, it restarts in Regular-Read mode once the command transmission is finished.
Note:ꢀ In Password mode, MAXBLK must be set to a value lower than seven to prevent the password from being
transmitted by the ATA5577C.
Each transmission of the direct access command (2 opcode bits, 32-bit password, ‘0’ bit plus 3 address bits = 38 bits)
needs about 18 ms. Testing all possible combinations (about 4.3 billion) can take about two years.
4.9
Answer-On-Request (AOR) Mode
When the AOR bit in the Configuration register is set, the ATA5577C does not start modulation in the Regular-Read
mode after loading configuration block 0. The tag waits for a valid AOR data stream (wake-up command) from the
reader before modulation is enabled. The wake-up command consists of the opcode (‘10’ or ‘11’) followed by a valid
password. The selected tag remains active until the RF field is turned off or a new command with a different
password is transmitted, which may address another tag in the RF field.
DS70005357B-page 15
Datasheet
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ATA5577C
Operating the ATA5577C
Table 4-2.ꢀATA5577C – Modes of Operation
PWD AOR
Behavior of Tag after Reset Command or POR
AOR mode:
Deactivate Function
1
1
0
1
Command with non-matching
password deactivates the selected
tag
•
•
Modulation starts after wake-up with a matching password
Programming needs valid password
0
Password mode:
—
•
•
Modulation in Regular-Read mode starts after Reset
Programming and direct access needs valid password
—
Normal mode:
—
•
•
Modulation in Regular-Read mode starts after Reset
Programming and direct access without password
Figure 4-6.ꢀAOR Mode, Fixed Bit Length Protocol Example
Modulation
VCoil1 - Coil2
Loading
configuration
and option
No modulation
because AOR = 1
AOR wake-up command
(with valid PWD)
POR
DS70005357B-page 16
Datasheet
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ATA5577C
Operating the ATA5577C
Figure 4-7.ꢀAnti-Collision Procedure Using AOR Mode
Reader
Tag
Initialize tags with
AOR = 1, PWD = 1
Field OFF
ON
POWER-ON RESET
Read configuration
Wait for tW > 2.5ms
Enter AOR mode
Wait for OPCODE +
PWD
"wake-up
command"
"Select a single tag"
send OPCODE + PWD
"wake-up command"
Receive damping ON
No
Password correct?
Yes
Decode data
Send block 1 to MAXBLK
No
All tags read?
Yes
Field ON
OFF
Exit
4.10
ATA5577C in Extended Mode (X-mode)
In general, setting of the master key (bits 1 to 4) of block 0 to the value 6 or 9, together with the X-mode bit, enables
the Extended mode functions, such as the binary bit rate generator, OTP functionality, fast downlink, inverse data
output and sequence start marker.
•
Master key = 9:
– Test mode access and Extended mode are both enabled
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ATA5577C
Operating the ATA5577C
•
Master key = 6:
– Any Test mode access is denied but the Extended mode is still enabled
Any other master key setting prevents activation of the ATA5577C Extended mode options, even when the X-mode
bit is set.
4.10.1 Modulator in Extended Mode (X-mode)
The following table provides the details of the modulator in Extended mode (X-mode).
Table 4-3.ꢀATA5577C Types of Modulation in Extended Mode (X-mode)
Mode
FSK1(1)
Direct Data Output Encoding
FSK/5 – FSK/8 0 = RF/5; 1 = RF/8
FSK/10 – FSK/8 0 = RF/10; 1 = RF/8 FSK/8 – FSK/10 0 = RF/8; 1 = RF/10 (= FSK2a)
Phase change when input changes Phase change when input changes
Phase change on bit clock if input high Phase change on bit clock if input low
Phase change on rising edge of input Phase change on falling edge of input
0 = falling edge, 1 = rising edge mid-bit 1 = falling edge, 0 = rising edge mid-bit
Inverse Data Output Encoding
FSK/8 – FSK/5 0 = RF/8; 1 = RF/5 (= FSK1a)
FSK2(1)
PSK1(2)
PSK2(2)
PSK3(2)
Manchester
Bi-phase
1 creates an additional mid-bit change
0 creates an additional mid-bit change
1 creates an additional mid-bit change
0 = damping on, 1 = damping off
Differential bi-phase 0 creates an additional mid-bit change
NRZ
1 = damping on, 0 = damping off
Note:ꢀ
1. A common multiple of bit rate and FSK frequencies is recommended.
2. In PSK mode, the selected data rate must be an integer multiple of the PSK sub-carrier frequency.
4.10.2 Binary Bit Rate Generator
In Extended mode, the data rate is binary-programmable to operate at any even numbered data rate between RF/2
and RF/128 as given in the formula: Data Rate = RF/(2n + 2).
4.10.3 OTP Functionality
If the OTP bit is set to ‘1’, all memory blocks are write-protected and behave as if all lock bits are set to ‘1’. If, in
addition, the master key is set to 6, the ATA5577C mode of operation is locked forever (One-Time-Programmable
functionality). If the master key is set to 9, Test mode access allows reconfiguration of the tag.
4.10.4 Fast Downlink
In the optional Fast Downlink mode, the time between two gaps is reduced. In the Fixed Bit Length Protocol mode,
there are nominally 12 field clocks for a ‘0’ and 28 field clocks for a ‘1’. When there is no gap for more than 32 field
clocks after a previous gap, the ATA5577C in the Fixed Bit Length Protocol mode will exit the Downlink mode (refer to
Table 4-5).
The Fast Downlink mode timings for the long leading reference protocol are shown in Table 4-6, for the leading zero
reference protocol in Table 4-7 and for the 1-of-4 coding protocol in Table 4-8.
4.10.5 Inverse Data Output
In Extended mode (X-mode), the ATA5577C supports an inverse data output option. If inverse data are enabled, the
modulator shown in the following figure works on inverted data (see Table 4-3). This function is supported for all basic
types of encoding.
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ATA5577C
Operating the ATA5577C
Figure 4-8.ꢀData Encoder for Inverse Data Output
PSK1
PSK2
PSK3
Intern out
data
Direct/NRZ
Data output
MUX
Sync
D
XOR
FSK1
FSK2
Data clock
CLK
R
Manchester
Bi-phase
Inverse data output
Modulator
4.11
Tag-to-Reader Communication
During read operation (Uplink mode), the data stored within the EEPROM are cycled, and the “Coil 1 and Coil 2”
terminals are load modulated. This resistive load modulation is detected at the reader device.
4.11.1
Regular-Read Mode
In Regular-Read mode, data from the memory are transmitted serially, starting with block 1, bit 1, up to the last block
(for example, 7), bit 32. The last block to be read is defined by the mode parameter field MAXBLK in EEPROM block
0. When the data block addressed by MAXBLK is read, data transmission restarts with block 1, bit 1.
The user may limit the cyclic data stream in Regular-Read mode by setting MAXBLK between 0 and 7 (representing
each of the eight data blocks). If set to 7, blocks 1 through 7 are read. If set to 1, only block 1 is transmitted
continuously. If set to 0, the contents of the configuration block (normally not transmitted) are read. In the case of
MAXBLK = 0 or 1, Regular-Read mode cannot be distinguished from Block-Read mode.
Figure 4-9.ꢀExamples of Different MAXBLK Settings
MAXBLK = 5
MAXBLK = 2
MAXBLK = 0
0
Block 1
Block 4
Block 2
Block 0
Block 5
Block 1
Block 0
Block 1
Block 2
Block 0
Block 2
Block 1
Block 0
Loading block 0
0
Block 1
Loading block 0
0
Block 0
Loading block 0
Every time the ATA5577C enters Regular or Block-Read mode, the first bit transmitted is a logical ‘0’. The data
stream starts with block 1, bit 1, continues through MAXBLK bit 32, and if in Regular-Read mode, cycles
continuously.
Note:ꢀ This behavior is different from that of the original e555x and helps to decode PSK-modulated data.
4.11.2
Block-Read Mode
With the direct access command, only the addressed block is read repetitively. This mode is called Block-Read
mode. Direct access is entered by transmitting the page access opcode (‘10’ or ‘11’), a single 0 and the requested 3-
bit block address when the tag is in Normal mode.
In Password mode (PWD bit set), direct access to a single block needs the valid 32-bit password to be transmitted
after the page access opcode, followed by a 0 and the 3-bit block address. If the transmitted password does not
match the contents of block 7, the ATA5577C tag returns to Regular-Read mode.
DS70005357B-page 19
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Note:ꢀ
•
•
A direct access to block 0 of page 1 reads the configuration data of block 0, page 0
A direct access to block 4 to 7 of page 1 reads all data bits as zero
4.11.3
Sequence Terminator (Basic Mode)
The Sequence Terminator (ST) is a special damping pattern, which is inserted in front of the first block and can be
used to synchronize the reader. This sequence terminator is recommended only for FSK and Manchester coding.
This Basic mode sequence terminator consists of four bit periods. During the first and third bit period, the data value
is 1. During the second and fourth bit periods, modulation is switched off (using Manchester encoding, switched on).
Biphase modulated data blocks need fixed leading and trailing bits, in combination with the sequence terminator, to
be reliably identified. The sequence terminator may be individually enabled by setting mode bit 29 (ST = 1) in Basic
mode (X-mode = 0).
In the Regular-Read mode, the sequence terminator is inserted at the start of each MAXBLK-limited read data
stream.
In Block-Read mode, after any block write or direct access command, or if MAXBLK was set to ‘1’, the sequence
terminator is inserted before the transmission of the selected block.
This behavior is different from that of previous ICs (e5551/T5551, T5554). For further details, refer to the relevant
application notes.
Figure 4-10.ꢀRead Data Stream with Sequence Terminator
No terminator
Block 1
Block 2
MAXBLK
Block 1
Block 2
Regular-read mode
Sequence terminator
Block 1
Sequence terminator
St = on
Block 2
MAXBLK
Block 1
Block 2
Figure 4-11.ꢀBasic Mode Sequence Terminator Waveforms
Bit period
Data 1
Modulation
off (on)
Data 1
Modulation
off (on)
Sequence
Last bit
First bit
Waveforms per different modulation types
bit 1 or 0
VCoilPP
Manchester
FSK
Sequence terminator is not suitable for Bi-phase or PSK modulation
4.11.4
Sequence Start Marker (X-mode)
The ATA5577C sequence start marker is a special damping pattern in Extended mode which may be used to
synchronize the reader. The sequence start marker consists of two bits (‘01’ or ‘10’), which are inserted as a header
before the first block to be transmitted, if in Extended mode, bit 29 is set. At the start of a new block sequence, the
value of the two bits is inverted.
DS70005357B-page 20
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Figure 4-12.ꢀATA5577C Sequence Start Marker in Extended Mode
Sequence start marker
10
10
Block n
Block 1
01
Block n
10
Block n
01
Block n
10
Block n
01
Block read mode
Block 2
MAXBLK
01
Block 1
Block 2
MAXBLK
10
Regular read mode
4.12
Reader to Tag Communication
Data are transmitted to the tag by interrupting the RF field with short field gaps (On-Off Keying) in accordance with
the T5557/ATA5567 write method (Downlink mode). The duration of these field gaps is, for example, 100 μs. The
time between two gaps encodes the 0/1 information to be transmitted (pulse interval encoding). There are four
different downlink protocols available, which are selectable via bit 21 and bit 22 in the Option register block 3, page 1
(see Figure 4-1).
Choosing the default downlink protocol (fixed bit length protocol), the time between two gaps is nominally 24 field
clocks for a 0 and 56 field clocks for a 1. When there is no gap for more than 64 field clocks after a previous gap, the
ATA5577C exits the Downlink mode. The tag starts with the command execution if the correct number of bits were
received. If a failure is detected, the ATA5577C does not continue and enters Regular-Read mode.
Improved downlink performance could be achieved by choosing self-calibrating downlink protocols.
The ATA5577C offers three different possibilities to achieve better performance using self-calibrating downlink
protocols:
•
Long leading reference:
– Fully forward and backward compatible with former tags and readers.
Leading zero:
•
– A reader sends a leading zero in front of the downlink bit stream. This leading zero serves as a reference
for the following zero and one bits.
•
1-of-4 coding:
– Compact downlink protocol with optimized energy balance.
4.12.1 Start Gap
The initial gap is referred to as the start gap. This triggers the reader-to-tag communication. In the Option register
(block 3, page 1), several settings are chosen to ease gap detection during this mode of operation; for example, the
receive damping is activated (see Figure 4-1). The start gap may need to be longer than subsequent gaps, so-called
write gaps, in order to be detected reliably.
A start gap is accepted at any time after the Mode register is loaded (≥ 3 ms). A single gap does not change the
previously selected page (by a previous opcode ‘10’ or ‘11’).
Figure 4-13.ꢀStart of Reader-to-Tag Communication
Read mode
Write mode
Write damping settings
Sgap
Wgap
DS70005357B-page 21
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Table 4-4.ꢀGap Scheme
Parameters
Start gap
Remark
Symbol
Sgap
Wgap
Min.
Max.
50
Unit
TC
—
8
8
Write gap
Normal Downlink mode
20
TC
Note:ꢀ All absolute times assume TC = 1/fC = 8 μs (fC = 125 kHz).
4.12.2 Downlink Data Protocols
The ATA5577C expects to receive a dual bit opcode as a part of a reader command sequence.
There are three valid opcodes:
1. The opcode ‘10’ precedes all downlink operations for page 0.
2. The opcode ‘11’ precedes all downlink operations for page 1. Performing a direct access command on block 0
always provides block 0, page 0 independently of the page selector (see Figure 3-2).
3. The Reset opcode ‘00’ initiates an initialization cycle.
The fourth opcode ‘01’ precedes all Test mode write operations. Any Test mode access is ignored after master key
(bits 1 to 4) in block 0 is set to 6. Any further modifications of the master key are prohibited by setting the lock bit of
block 0 or the OTP bit.
Rules to follow for the downlink:
•
•
Standard write needs the opcode, the lock bit, 32 data bits and the 3-bit address (38 bits total)
Protected write (PWD bit set) requires a valid 32-bit password between the opcode, and the data and address
bits. Protected write (PWD bit set), in conjunction with the leading-zero-reference protocol or with the 1-of-4
coding protocol, requires two padding zero bits between the opcode and the password (see Figure 4-22). This
ensures the uniqueness of the direct access with the password and the standard write command (see Table 5-1)
•
For the AOR wake-up command, an opcode and a valid password are necessary to select and activate a
specific tag
Note:ꢀ The data bits are read in the same order as written.
If the transmitted command sequence is invalid, the ATA5577C enters Regular-Read mode with the previously
selected page (by previous opcode ‘10’ or ‘11’).
Figure 4-14.ꢀComplete Writing Sequence with Fixed Bit Length Protocol
Read mode
Write mode
Read mode
Opcode
Block data
Block address
Programming
Configuration
loading
Start gap
Lock bit
POR
DS70005357B-page 22
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Figure 4-15.ꢀATA5577C Command Formats Fixed Bit Length Protocol and Long Leading Reference Protocol
Ref OP
)
)
)
)
)
)
)
**
**
**
**
*
*
Standard write
Protected write
R
R
R
R
1p
1p
1p
L
1
1
1
0
1
Data
Password
Password
Password
32
2
1
Addr
0
32
32
32
L
0
Data
32
2
Addr 0
*
AOR (wake-up command)
Direct access (PWD = 1)
)
*
*
*
1p
1p
1p
2
Addr
0
)
)
)
)
)
**
**
**
Direct access (PWD = 0)
Page 0/1 regular read
Reset command
R
R
R
2
Addr
0
) p = page selector
*
00
) R = Reference pulse if necessary
**
Figure 4-16.ꢀATA5577C Command Formats Leading Zero Reference Protocol and 1-of-4 Coding Protocol
Ref OP
)
)
)
)
)
**
**
**
**
*
Standard write
Protected write
R
R
R
R
1p
L
1
Data
Password
Password
Password
0
32
32
32
32
2
L
Addr
1
0
)
*
1p 00
1
Data
32
2
Addr 0
)
*
00
00
0
1
1
AOR (wake-up command)
Direct access (PWD = 1)
1p
)
*
1p
1p
1p
0
2
Addr
0
)
)
)
)
)
**
**
**
*
*
Direct access (PWD = 0)
Page 0/1 regular read
Reset command
R
R
R
2 Addr
) p = page selector
**
*
00
) R = Reference pulse
4.12.3 Fixed Bit Length Protocol
In the fixed bit length protocol, the time between two gaps is nominally 24 field clocks for a 0 and 56 field clocks for a
1. When there is no gap for more than 64 field clocks after a previous gap, the ATA5577C exits the Downlink mode.
This protocol is compatible with the T5557/ATA5567 transponder.
Table 4-5.ꢀDownlink Data Coding Scheme with Fixed Bit Length Protocol
Normal Downlink
Fast Downlink
Parameter
Remark Symbol
Min. Typ. Max. Min. Typ. Max. Unit
Start gap
Write gap
—
Sgap
8
8
15
10
50
20
8
8
15
10
50
20
TC
TC
—
Wgap
DS70005357B-page 23
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
...........continued
Parameter
Write data coding (gap separation)
Normal Downlink
Fast Downlink
Remark Symbol
Min. Typ. Max. Min. Typ. Max. Unit
0 data
1 data
d0
d1
16
48
24
56
32
64
8
12
28
16
32
TC
TC
24
Note:ꢀ All absolute times assume: TC = 1/fC = 8 μs (fC = 125 kHz).
Figure 4-17.ꢀFixed Bit Length Protocol
1
0
4.12.4 Long Leading Reference Protocol
To achieve better downlink performance, an enhanced ATA5577C reader places a reference pulse in front of the
opcode. This reference pulse is used as a timing reference for all following data, thus providing an auto-adjustment
for varying environmental conditions. The long leading reference protocol allows full compatibility and coexistence of
both T5557/ATA5567 and ATA5577C devices with both T5557/ATA5567 compatible readers and advanced
ATA5577C readers. However, only the ATA5577C devices can profit from the self-calibration and the resultant
increase in write distance (see Figure 4-1 for Option register settings).
In this mode, the reference pulse in front of the command is monitored. Depending on the pulse length, the remainder
of the command is either evaluated using the fixed bit length protocol or is used as a measurement reference to
evaluate the following command bits. Otherwise, the following bits are considered as an invalid command.
1. For a reference-based command, the reference pulse (dref) has a length of 16 to 32 + 136 = 152 to 168 field
clocks (zero bit + timing bias = reference pulse). Hence, the expected length lies between 152 and 168 field
clocks. The equivalent expected zero bit length is then extracted and used as a reference for all following bits.
The long leading reference pulse, in this case, is used as a timing reference only and does not contribute to
the command data itself (see part ‘a’ on Figure 4-18).
2. The first bit must lie within the fixed bit length frame (for example, in Normal mode: 0: 16 to 32 clocks; 1: 48 to
64 clocks), the device switches automatically to the fixed bit length protocol (see 4.12.3 Fixed Bit Length
Protocol) and this first pulse is evaluated as the first command bit. This allows compatibility with long leading
reference programmed ATA5577C devices, interacting with T5557/ATA5567 readers, which do not send any
reference pulses (see part ‘b’ on Figure 4-18).
3. If an T5557/ATA5567 device interacts with an enhanced ATA5577C reader, the reference pulse (152 to 168
field clocks) is ignored by the T5557/ATA5567 and the following data bits are evaluated correctly. Therefore, a
T5557/ATA5567 device is compatible with an enhanced ATA5577C reader (see part ‘b’ on Figure 4-18).
4. The first bit corresponds to neither (1) nor (2), then it is rejected as an invalid command.
Table 4-6.ꢀDownlink Data Coding Scheme with Long Leading Reference
Normal Downlink
Min. Typ. Max.
15
Fast Downlink
Parameter
Remark
Symbol
Unit
Min.
Typ.
15
Max.
50
Start gap
Write gap
—
—
Sgap
Wgap
dref
8
8
50
8
8
TC
TC
TC
TC
10
20
10
20
Write data coding Reference
(gap separation) Pulse
152
160
168
140
144
148
136 clocks + 0 data bit
132 clocks + 0 data bit
0 data
1 data
d0
d1
dref –
143
dref –
136
dref – 128 dref –
135
dref –
132
dref – 124 TC
dref –
111
dref –
104
dref – 96 dref –
119
dref –
116
dref – 112 TC
DS70005357B-page 24
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Note:ꢀ All absolute times assume: TC = 1/fC = 8 μs (fC = 125 kHz).
Figure 4-18.ꢀLong Leading Reference Protocol
Reference pulse
1
0
a)
b)
c)
1
0
Reference pulse
1
0
4.12.5 Leading Zero Reference Protocol
If the device is programmed in this mode, it always expects a reference pulse before the command data itself. This
pulse length must correspond exactly to the length of the zero bits in the following command. All further lengths of the
zero and one bits of the command are derived from the reference pulse. Therefore, downlink performance is optimal
in different environmental conditions.
Table 4-7.ꢀDownlink Data Coding Scheme with Leading Zero Reference
Normal Downlink
Min. Typ. Max.
15
Fast Downlink
Typ. Max.
15
Parameter
Start gap
Remark
Symbol
Unit
Min.
—
—
Sgap
Wgap
dref
8
50
20
72
8
8
8
50
20
68
TC
TC
TC
Write gap
8
10
—
10
—
Write data coding
(gap separation)
Reference
Pulse
12
0 data
1 data
d0
d1
dref – 7 dref
dref + 8 dref – 3 dref
dref + 4 TC
dref + 9 dref + 16 dref + 24 dref + 5 dref + 8 dref + 12 TC
Note:ꢀ All absolute times assume: TC = 1/fC = 8 μs (fC = 125 kHz).
Figure 4-19.ꢀLeading Zero Reference Protocol
Reference pulse
(0)
1
0
4.12.6 1-of-4 Coding Protocol
This protocol codes the data in bit pairs so that the length of each packet can have one of four discrete lengths. This
protocol is extremely compact and exhibits the least number of field gaps, which in turn, improves the device’s ability
to extract power from the field. Additionally, a leading reference pulse, ‘00’, is placed in front of the downlink
command. This serves as a reference pulse for all following data bits, thus providing an auto-adjustment for varying
environmental conditions.
Table 4-8.ꢀDownlink Data Coding Scheme with 1-of-4 Coding
Normal Downlink
Min. Typ. Max.
15
Fast Downlink
Typ.
Parameter
Remark
Symbol
Unit
Min.
Max.
50
20
Start gap
Write gap
Sgap
8
8
50
20
8
8
15
10
TC
TC
Wgap
10
DS70005357B-page 25
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
...........continued
Parameter
Normal Downlink
Min. Typ. Max.
12 72
Fast Downlink
Unit
Remark
Symbol
Min.
Typ.
Max.
Write data coding
(gap separation)
Reference
pulse ‘00’
dref
—
8
—
68
TC
‘00’ data
‘01’ data
‘10’ data
‘11’ data
d00
d01
d10
d11
dref – 7 dref
dref + 8 dref – 3 dref
dref + 4 TC
dref + 9 dref + 16 dref + 24 dref + 5 dref + 8 dref + 12 TC
dref + 25 dref + 32 dref + 40 dref + 13 dref + 16 dref + 20 TC
dref + 41 dref + 48 dref + 56 dref + 21 dref + 24 dref + 28 TC
Note:ꢀ All absolute times assume: TC = 1/fC = 8 μs (fC = 125 kHz).
Figure 4-20.ꢀ1-of-4 Coding Protocol
DS70005357B-page 26
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Figure 4-21.ꢀStandard Write Sequence Example
a) Fixed-bit-length Protocol
Read mode
Opcode
Blockdata: "100 ... 1"
Blockaddr.: "011"
Programming
Read mode
1
0
0
1
0
0
1
0
1
1
Start gap
Lock bit
b) Long-leading-reference Protocol
Reference Pulse
Read mode
Opcode
Blockdata: "100 ... 1"
Blockaddr.: "011"
Programming Read mode
1
0
0
1
0
0
1
0
1
1
Start gap
Lock bit
c) Leading-zero-reference Protocol
Read mode Opcode
Blockdata: "100 ... 1"
Blockaddr.: "011"
Programming
Read mode
0
1
0
0
1
0
0
1
0
1
1
Start gap
Lock bit
Reference Pulse
d) 1-of-4-coding Protocol
Blockdata:
"100 ... 1"
Blockaddr.:
"011"
Read mode
Opcode
10
Programming
Read mode
00
0 1 00
1 0
11
Start gap
Lock bit
Reference Pulse
DS70005357B-page 27
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Figure 4-22.ꢀProtected Write Sequence Example
a) Fixed-bit-length Protocol
Read mode
Opcode
PWD: "1101 ... "
Blockdata: "100 ... 1"
Blockaddr.: "011"
Programming Read mode
1
0
1
1
0
1
0
1
0
0
1
0
1
1
Start gap
Lock bit
b) Long-leading-reference Protocol
Read mode
Reference Pulse Opcode
PWD: "1101 ... "
Blockdata: "100 ... 1"
Blockaddr.: "011"
Programming Read mode
1
0
1
1
0
1
0
1
0
0
1
0
1
1
Start gap
Lock bit
c) Leading-zero-reference Protocol
Read mode
Opcode
PWD: "1101 ... "
Blockdata: "100 ... 1"
Blockaddr.: "011"
Programming Read mode
0
1
0
0
0
1
1
0
1
0
1
0
0
1
0
1
1
Start gap
Padding zeros
Lock bit
Reference Pulse
d) 1-of-4-coding Protocol
Blockdata:
"100 ... 1"
Blockaddr.:
"011"
Read mode
Opcode
10
PWD: "1101 ... "
11 01
Programming
Read mode
00
00
0 1 00
1 0
11
Start gap
Padding zeros
Reference Pulse
Lock bit
4.13
Programming
The ATA5577C can be programmed when all the required information is received. There is a clock delay between the
end of the writing sequence and the start of programming.
Typical programming time is 5.6 ms. This cycle includes a data verification read to grant secure and correct
programming. After programming is successfully executed, the ATA5577C enters Block-Read mode, transmitting the
block just programmed as shown in the following figure.
Note:ꢀ This timing and behavior are different from that of the e555x family predecessors. For more details, refer to
relevant application notes.
If the command sequence is validated and the addressed block is not write-protected, then the new data are
programmed into the EEPROM memory. The new state of the block write protection bit (lock bit) is programmed at
the same time accordingly.
Each programming cycle consists of four consecutive steps: erase block, erase verification (data = 0), programming
and write verification (corresponding data bits = 1).
DS70005357B-page 28
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Operating the ATA5577C
Figure 4-23.ꢀCoil Voltage after Programming a Memory Block
VCoil 1 - Coil 2
POR/
Reset
or
Read programmed
memory block
Write data to tag
5.6 ms
Read block 1 to MAXBLK
(Regular-read mode)
Programming and
data verification
(Block-read mode)
Single
gap
Note:ꢀ Programming of page 1 with following single gap leads to a page 1 read. To enter Regular-Read mode, a
POR or Reset command must be performed.
DS70005357B-page 29
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
5.
Error Handling
Several error conditions are detected to ensure that only valid bits are programmed into the EEPROM. There are two
error types, which lead to two different actions.
5.1
Errors During Command Sequence
The following detectable errors occur while sending a command sequence to the ATA5577C:
•
•
•
Wrong number of field clocks between two gaps (that is, not a valid 1 or 0 pulse stream)
Password mode is activated and the password does not match the contents of block 7
The number of bits received in the command sequence is incorrect
Valid bit counts accepted by the ATA5577C are listed in the following table.
Table 5-1.ꢀBit Counts of Command Sequences
Long Leading
Reference
Protocol
Leading Zero
Reference
Protocol
Fixed Bit Length
1-of-4 Coding
Protocol
Command
Protect
Protocol
Standard write
Direct access
Password write
(PWD = 0) 38 bits
(PWD = 0) 6 bits
(PWD = 1) 70 bits
(PWD = 1) 38 bits
38 bits
38 bits
38 bits
6 bits
6 bits
6 bits
70 bits
38 bits
72 bits
40 bits
72 bits
40 bits
Direct access with
PWD
AOR wake-up
(PWD = 1) 34 bits
34 bits
2 bits
2 bits
36 bits
2 bits
2 bits
36 bits
2 bits
2 bits
Reset command
—
—
2 bits
2 bits
Page 0/1 regular
read
If any of these erroneous conditions (except AOR mode) are detected, the ATA5577C enters Regular-Read mode,
starting with block 1 of the page defined in the command sequence. An erroneous AOR wake-up command stops
modulation (modulation defeat).
5.2
Errors Before/During Programming the EEPROM
If the command sequence is received successfully, the following errors prevent programming:
•
•
The lock bit of the addressed block is already set.
If it is a locked block, Programming mode is not entered. The ATA5577C reverts to Block-Read mode,
continuously transmitting the currently addressed block.
•
If a data verification error is detected after an executed data block programming, the tag stops modulation
(modulation defeat) until a new command is transmitted.
DS70005357B-page 30
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
Figure 5-1.ꢀATA5577C Functional Diagram
Power-on reset
AOR = 1
Set-up modes
AOR mode
AOR = 0
Regular-read mode
Page 0
Page 0 or 1
addr = 1 to MAXBLK
Block-read mode
addr = current
Gap
Start
gap
Command mode
Gap
Direct access
OP(1p) 1)
Command decode
OP(11..)
Modulation
defeat
OP(1p) 1)
Single gap
Page 1
Page 0
OP(10..)
OP(00)
Reset
OP(01)
Test mode
Write
OP(1p) 1)
to page 0
if master key < > 6
Write
data = old
data = old
data = old
data = new
fail
fail
fail
ok
Number of bits
Password check
Lock bit check
Data verification failed
Program and verify
1) p = page selector
DS70005357B-page 31
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
Figure 5-2.ꢀExample with Manchester Coding with Data Rate RF/16
DS70005357B-page 32
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
Figure 5-3.ꢀExample of Bi-Phase Coding with Data Rate RF/16
DS70005357B-page 33
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
Figure 5-4.ꢀExample: FSK1a Coding with Data Rate RF/40, Sub-Carrier f0 = RF/8, f1 = RF/5
DS70005357B-page 34
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
Figure 5-5.ꢀExample of PSK1 Coding with Data Rate RF/16
DS70005357B-page 35
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
Figure 5-6.ꢀExample of PSK2 Coding with Data Rate RF/16
DS70005357B-page 36
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Error Handling
Figure 5-7.ꢀExample of PSK3 Coding with Data Rate RF/16
DS70005357B-page 37
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Animal ID
6.
Animal ID
In ISO 11784/11785, the code structure of a 128-bit FDX-B telegram is defined. Following is an example of how to
program the ATA5577C for ISO 11785 FDX-B.
Figure 6-1.ꢀStructure of the ISO 11785 FDX-B Telegram
Bits
11
8 x (8+1)
2 x (8+1)
3 x (8+1)
LSB
MSB LSB
83 84
MSB
101 102
Control bit '1'
...
12 ...
...
...
...
Bit No.
1
11
20
128
Header
Identification Code
CRC
Trailer
11-bit fixed
00000000001
16-bit CRC
+ 2 bits
24-bit trailer all zeros
+ 3 bits
64-bit Identification Code
+ 8 bits
MSB
83
LSB
12
...
...
Bit No.
20
Country Code
8 bits
Unique
Number
6 bits
Unique
Number 8 bits
Unique
Number 8 bits
Unique
Number 8 bits
Unique
Number 8 bits
RFU 7 bits
RFU 7 bits
RFU 14 bits
Country Code 10 bits
Unique Number 38 bits
1. Except for the header, every eight bits are followed by one control bit (‘1’) to prevent the header from recurring.
2. All data are transmitted LSB first.
3. Country codes are defined in ISO 3166.
4. The bits reserved for future use (RFU) are all set to ‘0’.
5. If the data block flag is not set, the trailer bits are all set to ‘0’.
6. CRC is performed on the 64-bit identification code without the control bits. The generator polynomial is P(x) =
x16 + x12 + x5 + 1. Reverse CRC-CCITT (0x8408) is used. Data stream is LSB first.
Table 6-1.ꢀExample Data for Animal ID
Code
Animal flag
Dec. Value
Hex. Value
Comment
1
1
Use for animal ID
0
0
RFU
Reserved for future use
No data in trailer
0
0
Data block flag
Country code
Unique number
CRC
999
3E7
Country code for demo tags
Any demo number
78187493530
36255
123456789A
8D9F
CRC for the identification code
Programming of the ATA5577C for animal ID:
•
•
Encoding of the data is differential bi-phase RF/32
128 bits have to be transmitted in Regular-Read mode (Maxblock = 4)
Table 6-2.ꢀProgramming the ATA5577C with Example Data
Block
Address
Value
Comment
Option register
Block 3, page 1
0x 6DD0 0000(1)
Soft modulation, two pulses recommended
DS70005357B-page 38
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Animal ID
...........continued
Block
Address
Value
Comment
Configuration register
User data block 1
User data block 2
User data block 3
User data block 4
Block 0, page 0
Block 1, page 0
Block 2, page 0
Block 3, page 0
Block 4, page 0
0x 603F 8080
0x 002B 31EB
0x 54B2 979F
0x 8040 7F3B
0x 1804 0201
RF/32, differential bi-phase, Maxblock = 4
Header, unique number
Unique number (cont.), country code
Data block flag, RFU, animal flag, CRC
CRC (cont.), trailer bits
Note:ꢀ
1. Depending on application, settings may vary.
DS70005357B-page 39
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Electrical Characteristics
7.
Electrical Characteristics
The electrical characteristics of ATA5577C are described in the following table.
Tamb = +25°C; fcoil = 125 kHz; unless otherwise specified.
Table 7-1.ꢀElectrical Characteristics
No.
Parameters
Test Conditions
Symbol
fRF
Min. Typ. Max. Unit Type*
1
RF Frequency Range
100
125 150
kHz
μA
2.1 Supply Current (without
current consumed by the
Tamb = 25°C(1)
IDD
1.5
2
3
5
T
2.2
Read – full temperature
range
μA
Q
external LC tank circuit)
2.3
Programming full –
temperature range
25
μA
V
Q
Q
Q
3.1 Coil Voltage (AC supply)
POR threshold (50 mV
hysteresis)
Vcoil pp
3.6
3.2
Read mode and write
command(2)
6
8
Vclamp
V
3.3
Program EEPROM(2)
Vcoil pp = 6V
Vclamp
V
ms
V
Q
Q
Q
Q
T
4
Start-up Time
tstartup
2.5
11
5.1 Clamp Voltage (depends
on settings in Option
3 mA current into Coil 1/
Coil 2
VPP clamp lo
VPP clamp med
VPP clamp hi
VPP clamp med
5.2
13
17
15
V
register)
5.3
5.4
14
13
21
18
V
20 mA current into Coil 1/
Coil 2
V
T
6.1 Modulation Parameters
(depends on settings in
3 mA current into Coil 1/
Coil 2 and modulation on
VPP mod lo
2
3
5
4
V
V
V
V
T
Q
Q
T
6.2
VPP mod med
VPP mod hi
Option register)
6.3
6.4
7
20 mA current into Coil 1/
Coil 2 and modulation on
VPP mod med
6
7.5
9
6.5 Thermal Stability
Vmod lo/Tamb
Vclkdet lo
Vclkdet med
Vclkdet hi
-1
mV/°C
mV
Q
Q
T
7.1 Clock Detection Level
(depends on settings in
Vcoil pp = 8V
250
7.2
400
550 730
800
mV
Option register)
7.3
mV
Q
Q
T
7.4 Gap Detection Level
(depends on settings in
Vcoil pp = 8V
Vgapdet lo
Vgapdet med
Vgapdet hi
250
mV
7.5
400
5
550 730
850
mV
Option register)
7.6
mV
Q
T
8
9
Programming Time
Endurance
From last command gap to Tprog
re-enter Read mode (64
+ 648 internal clocks)
5.7
6
ms
Erase all/write all(3)
ncycle
100000
Cycles
Q
DS70005357B-page 40
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Electrical Characteristics
...........continued
No.
Parameters
Test Conditions
Top = 55°C(3)
Symbol
tretention
Min. Typ. Max. Unit Type*
10.1 Data Retention
10
96
20
50
Years
hrs
Q
T
10.2
Top = 150°C(3)
Top = 250°C(3)
Mask option(4)
tretention
tretention
Cr
10.3
24
hrs
Q
T
11.1 Resonance Capacitor
320
242
330 340
250 258
130
pF
11.2
11.3
11.4
11.5
75
10
Q
T
12.1 Micromodule Capacitor
Parameters(4)
Capacitance tolerance
Tamb
Cr
320
330 340
pF
* Type means:
•
•
T: Directly or indirectly tested during production
Q: Ensured based on initial product qualification data
Note:ꢀ
1. IDD measurement setup: EEPROM programmed to 00 ... 000 (erase all); chip in modulation defeat.
2. Current into Coil 1/Coil 2 is limited to 10 mA.
3. Since EEPROM performance is influenced by assembly processes, cannot confirm the parameters for -DDW
(tested die on unsawn wafer) delivery.
4. For more details, refer to 8. Ordering Information.
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This
is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated
in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Table 7-2.ꢀAbsolute Maximum Ratings
Parameters
Maximum DC Current into Coil 1/Coil 2
Symbol
Icoil
Value
20
Unit
mA
mA
mW
V
Maximum AC Current into Coil 1/Coil 2, f = 125 kHz
Icoil p
Ptot
20
Power Dissipation (die) (free air condition, time of application: 1s)
Electrostatic Discharge Maximum to ANSI/ESD-STM5.1-2001 Standard (HBM)
Operating Ambient Temperature Range
100
Vmax
Tamb
Tstg
3000
-40 to +85
°C
Storage Temperature Range (data retention reduced)
-40 to +150 °C
DS70005357B-page 41
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Ordering Information
8.
Ordering Information
The following figures illustrate the part number of ATA5577M devices.
Figure 8-1.ꢀATA5577M Die Type 1
1
cc
s
C
-
xxx
ATA5577M
Device name
Die Type
ON-Chip Capacitor
Speciality
Fab Indicator
Separator
Package
Figure 8-2.ꢀATA5577M Die Type 2
2
cc
s
C
-
xxx
ATA5577M
Device name
Die Type
ON-Chip Capacitor
Speciality
Fab Indicator
Separator
Package
DS70005357B-page 42
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Ordering Information
8.1
Ordering Details for Pad Type 1
The following table provides the ordering details of ATA5577M devices for pad type 1.
Table 8-1.ꢀOrdering Details for Pad Type 1
Model
Number
Die
Description
Ordering Code
Description
ATA5577M
Type 1 –
ATA5577M1330C-DDB
•
•
On-chip capacity value in pF – 330
Package:
Standard pads ATA5577M133SC-DDB
– 6" sawn wafer on foil with ring
– Thickness 150 μm (approx. 6 mil)
Fab indicator – C
•
•
Speciality:
– 0: Nothing special
– S: Preprogrammed in unique format
Refer to Figure 9-1
•
ATA5577M1330C-DDW
ATA5577M1330C-PAE
•
•
On-chip capacity value in pF – 330
Package – 6" wafer, thickness 680 μm (approx.
27 mil)
•
•
Fab indicator – C
Refer to Figure 9-1
•
•
•
•
On-chip capacity value in pF – 330
Package – NOA3 micromodule (lead-free)
Fab indicator – C
Refer to:
– Figure 9-5
– Figure 9-6
ATA5577M1330C-UFQW
ATA5577M1330C-PPMY
•
•
On-chip capacity value in pF – 330
Package – XDFN package 1.5 mm by 2 mm,
thickness 0.37 mm
•
•
Fab indicator – C
Refer to Figure 9-7
•
•
•
•
On-chip capacity value in pF – 330
Package – Transponder Brick package
Fab indicator – C
See “ATA5577M1330C-PPMY Data Sheet”
DS70005357B-page 43
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Ordering Information
8.2
Ordering Details for Pad Type 2
The following table provides the ordering details of ATA5577M devices for pad type 2.
Table 8-2.ꢀOrdering Details for Pad Type 2
Model
Number
Die
Description
Ordering Code
Description
ATA5577M
Type 2 – Mega ATA5577M2330C-DBB
pads, 200 μm ATA5577M233SC-DBB
•
•
On-chip capacity value in pF = 330
Package:
by 400 μm
ATA5577M233AC-DBB
– 6" sawn wafer on foil with ring
– Thickness 150 μm (approx. 6 mil) with gold
bumps 25 μm
•
•
Fab indicator – C
Speciality:
– 0: Nothing special
– S: Preprogrammed in unique format
– A: Thickness 280 µm (approx. 11 mil) with
gold bumps 25 µm (for DBB)
•
Refer to Figure 9-2
ATA5577M2330C-DBQ
ATA5577M233SC-DBQ
•
•
On-chip capacity value in pF = 330
Package – Die in blister tape, thickness 280 μm
(approx. 11 mil), plus gold bumps 25 μm
•
•
Fab indicator – C
Speciality:
– 0: Nothing special
– S: Preprogrammed in unique format
Refer to Figure 9-4
•
ATA5577M233TC-DBB
•
•
On-chip capacity value in pF = 330
Package:
– 6" sawn wafer on foil with 8" ring
– Thickness 150 µm (approx. 6 mil) with gold
bumps 25 µm
•
•
Fab indicator: C
Speciality:
– T: Preprogrammed in unique format
Refer to Figure 9-3
•
8.3
Configuration on Delivery
The following table describes the configuration on delivery of ATA5577C.
Table 8-3.ꢀConfiguration on Delivery
Block
AFE option setup
Configuration register
User data block 1
User data block 2
Address
Block 3, page 1
Block 0, page 0
Block 1, page 0
Block 2, page 0
Value
Comment
All options take on the default state
RF/32, Manchester, Maxblock = 2
All ‘0’s
0x 0000 0000
0x 0008 8040
0x 0000 0000
0x 0000 0000
All ‘0’s
DS70005357B-page 44
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Package Information
9.
Package Information
The following figures illustrate the package information of ATA5577C.
Figure 9-1.ꢀSawn Wafer on Foil with Ring (Type 1, Standard Pads)
1
Die Dimensions
0.181
0.15±0.012
20:1
(0.08)
0.1
C1
C2
technical drawings
according to DIN
specifications
Dimensions in mm
0.095
B
0.07
Label:
Prod: ATA5577M1xxxC-DDB
59.5
63.6
Orientation on frame
Lot no:
Wafer no:
Qty:
4 B
Option
xxx
Wafer ATA5577M1xxxC-DDB
UV Tape Adwill D176
330
33D
6" Wafer frame, plastic
thickness 2.5mm
Ø227.7
Ø3 A
A
Ø150
Ø194.5
212
07/19/10
TITLE
DRAWING NO.
REV.
GPC
Dimensions
ATA5577M1xxxC-DDB
MICROCHIP
9.920-6676.03-4
1
DS70005357B-page 45
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Package Information
Figure 9-2.ꢀSawn Wafer on Foil with Ring (Type 2, Mega Pads and Au Bumps)
1±0.015
0.155±0.014
0.005±0.002
(0.08)
Die Dimensions
(BCB coating)
20:1
(Au bump)
0.025±0.005
0.04
0.2
0.324
× 45°
technical drawings
according to DIN
specifications
0.15±0.012
Dimensions in mm
0.175±0.017
Label:
Prod: ATA5577M2xxxC-DBB
59.5
63.6
Lot no:
Wafer no:
Qty:
B
Orientation on frame
4 B
Option
xxx
330
Wafer ATA5577M2xxxC-DBB
UV Tape Adwill D176
6" Wafer frame, plastic
thickness 2.5mm
Ø227.7
Ø150
Ø3 A
A
Ø194.5
212
07/19/10
TITLE
DRAWING NO.
REV.
GPC
Dimensions
ATA5577M2xxxC-DBB
9.920-6679.02-4
1
MICROCHIP
DS70005357B-page 46
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Package Information
Figure 9-3.ꢀSawn Wafer on Foil with Ring (Gold Bumps)
DS70005357B-page 47
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Package Information
Figure 9-4.ꢀDie in Blister Tape
1
0.285±0.0135
(0.08)
0.005±0.0015
Die Dimensions
20:1
(BCB coating)
technical drawings
according to DIN
specifications
C2
C1
(Au bump)
0.025±0.005
0.28±0.012
0.04 x 45
0.2
°
0.324
0.305±0.0017
Label acc. ’’Packaging and Packing Spec.’’
’’X’’
cover tape
carrier tape
8.4
4
’’X’’
reel Ø330
1.3
Option
xxx
Packing acc. IEC 60286-3
Specification Tape and reel
Dimensions in mm
330
0.5
0.254
02/28/12
TITLE
Dimensions
ATA5577M2xxxC-DBQ
DRAWING NO.
REV.
GPC
9.800-5110.01-4
2
MICROCHIP
DS70005357B-page 48
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Package Information
Figure 9-5.ꢀNOA3S Micromodule
DS70005357B-page 49
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Package Information
Figure 9-6.ꢀShipping Reel for NOA3 Micromodule
DS70005357B-page 50
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Package Information
Figure 9-7.ꢀXDFN Package
D
D1
D2
technical drawings
according to DIN
specifications
e
Dimensions in mm
PIN 1 ID
COMMON DIMENSIONS
(Unit of Measure = mm)
Symbol MIN
NOM
0.37
0.1 nom.
2
MAX
A
A1
D
0.32
0.4
1.95
0.6
0.6
1.45
1
2.05
0.8
D1
D2
E
0.7
0.7
0.8
1.5
1.55
1.2
E1
e
1.1
1 BSC
04/06/11
TITLE
Package: XDFN_1.5x2_2L
DRAWING NO.
REV.
GPC
6.543-5159.01-4
1
MICROCHIP
DS70005357B-page 51
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
Document Revision History
10.
Document Revision History
Revision
Date
Section
Description
B
02/20
Document
•
•
8.2 Ordering Details for Pad Type 2 was updated
Added new delivery option, “ATA5577M233TC-DBB” (Figure
9-3)
A
04/18
Document
•
•
Updated from Atmel to Microchip template
Assigned a new Microchip document number. Previous
version is Atmel 9187 revision H.
•
ISBN number added.
10.1
Atmel Revision History
Revision No.
History
9187H-RFID-07/14
•
•
Section 10 “Ordering Information” on pages 38 to 39 updated
Section 11 “Package Information” on pages 40 to 45 updated
9187G-RFID-04/13
9187F-RFID-01/13
•
Section 10 “Ordering Information” on pages 37 to 38 updated
•
•
•
•
Section 5.5 “Initialization and Init Delay” on page 11 updated
Figure 5-1 “Answer-on-request (AOR) Mode ...” on page 12 updated
Figure 5-9 “Complete Writing Sequence ...” on page 19 updated
Ordering Information for ATA5577M1cccC-DDW on pages 37 and 38 added
9187E-RFID-07/12
9187D-RFID-04/12
•
Section 10 “Ordering Information” on pages 37 to 38: Ordering codes added
•
•
Figure 11-4 “Die in Blister Tape” on page 42 added
Figure 11-5 “Die on Sticky Tape” on page 43 updated
9187C-RFID-04/11
9187BX-RFID-03/11
•
•
Figure 11-1 “Pad Layout (Type 1, Standard Pads)” on page 41 removed
Figure 11-2 “Pad Layout (Type 2, Mega Pads)” on page 42 removed
•
•
•
Section 10 “Ordering Information” on page 39 changed
Section 10.1 “Available Order Codes” on page 40 changed
Figure 11-4 “Die in Waffle Pack” on page 44 added
DS70005357B-page 52
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
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DS70005357B-page 53
Datasheet
© 2020 Microchip Technology Inc.
ATA5577C
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Datasheet
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Tel: 91-20-4121-0141
Japan - Osaka
Fax: 45-4485-2829
Finland - Espoo
Tel: 81-6-6152-7160
Japan - Tokyo
Tel: 358-9-4520-820
France - Paris
http://www.microchip.com
Atlanta
Tel: 81-3-6880- 3770
Korea - Daegu
Tel: 33-1-69-53-63-20
Fax: 33-1-69-30-90-79
Germany - Garching
Tel: 49-8931-9700
Duluth, GA
Tel: 678-957-9614
Fax: 678-957-1455
Austin, TX
Tel: 82-53-744-4301
Korea - Seoul
Tel: 82-2-554-7200
Malaysia - Kuala Lumpur
Tel: 60-3-7651-7906
Malaysia - Penang
Tel: 60-4-227-8870
Philippines - Manila
Tel: 63-2-634-9065
Singapore
Germany - Haan
Tel: 512-257-3370
Boston
Tel: 49-2129-3766400
Germany - Heilbronn
Tel: 49-7131-72400
Germany - Karlsruhe
Tel: 49-721-625370
Germany - Munich
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Germany - Rosenheim
Tel: 49-8031-354-560
Israel - Ra’anana
Westborough, MA
Tel: 774-760-0087
Fax: 774-760-0088
Chicago
Tel: 86-25-8473-2460
China - Qingdao
Tel: 86-532-8502-7355
China - Shanghai
Tel: 86-21-3326-8000
China - Shenyang
Tel: 86-24-2334-2829
China - Shenzhen
Tel: 86-755-8864-2200
China - Suzhou
Itasca, IL
Tel: 630-285-0071
Fax: 630-285-0075
Dallas
Tel: 65-6334-8870
Taiwan - Hsin Chu
Tel: 886-3-577-8366
Taiwan - Kaohsiung
Tel: 886-7-213-7830
Taiwan - Taipei
Addison, TX
Tel: 972-818-7423
Fax: 972-818-2924
Detroit
Tel: 972-9-744-7705
Italy - Milan
Tel: 86-186-6233-1526
China - Wuhan
Tel: 886-2-2508-8600
Thailand - Bangkok
Tel: 66-2-694-1351
Vietnam - Ho Chi Minh
Tel: 84-28-5448-2100
Tel: 39-0331-742611
Fax: 39-0331-466781
Italy - Padova
Novi, MI
Tel: 248-848-4000
Houston, TX
Tel: 86-27-5980-5300
China - Xian
Tel: 39-049-7625286
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
Norway - Trondheim
Tel: 47-72884388
Tel: 281-894-5983
Indianapolis
Tel: 86-29-8833-7252
China - Xiamen
Noblesville, IN
Tel: 86-592-2388138
China - Zhuhai
Tel: 317-773-8323
Fax: 317-773-5453
Tel: 317-536-2380
Los Angeles
Tel: 86-756-3210040
Poland - Warsaw
Tel: 48-22-3325737
Romania - Bucharest
Tel: 40-21-407-87-50
Spain - Madrid
Mission Viejo, CA
Tel: 949-462-9523
Fax: 949-462-9608
Tel: 951-273-7800
Raleigh, NC
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
Sweden - Gothenberg
Tel: 46-31-704-60-40
Sweden - Stockholm
Tel: 46-8-5090-4654
UK - Wokingham
Tel: 919-844-7510
New York, NY
Tel: 631-435-6000
San Jose, CA
Tel: 408-735-9110
Tel: 408-436-4270
Canada - Toronto
Tel: 905-695-1980
Fax: 905-695-2078
Tel: 44-118-921-5800
Fax: 44-118-921-5820
DS70005357B-page 55
Datasheet
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