CAT5411UI-50-TE13 [CATALYST]

Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface; 双数字可编程电位计( DPP)与64丝锥和SPI接口
CAT5411UI-50-TE13
型号: CAT5411UI-50-TE13
厂家: CATALYST SEMICONDUCTOR    CATALYST SEMICONDUCTOR
描述:

Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface
双数字可编程电位计( DPP)与64丝锥和SPI接口

转换器 电阻器 光电二极管
文件: 总16页 (文件大小:95K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
E
CAT5411  
Dual Digitally Programmable Potentiometers (DPP™) with  
64 Taps and SPI Interface  
TM  
FEATURES  
Automatic recall of saved wiper settings at  
Two linear-taper digitally programmable  
power up  
potentiometers  
2.5 to 6.0 volt operation  
64 resistor taps per potentiometer  
Standby current less than 1µA  
1,000,000 nonvolatile WRITE cycles  
100 year nonvolatile memory data retention  
24-lead SOIC, 24-lead TSSOP, and BGA  
Industrial temperature ranges  
End to end resistance 2.5k, 10k, 50kor 100kΩ  
Potentiometer control and memory access via  
SPI interface: Mode (0, 0) and (1, 1)  
Low wiper resistance, typically 80  
Nonvolatile memory storage for up to four wiper  
settings for each potentiometer  
DESCRIPTION  
wiper control register or any of the non-volatile data  
registers is via a SPI serial bus. On power-up, the  
contents of the first data register (DR0) for each of the  
two potentiometers is automatically loaded into its  
respective wiper control register.  
The CAT5411 is two Digitally Programmable  
Potentiometers (DPPs™) integrated with control logic  
and 16 bytes of NVRAM memory. Each DPP consists of  
aseriesof63resistiveelementsconnectedbetweentwo  
externallyaccessibleendpoints.Thetappointsbetween  
eachresistiveelementareconnectedtothewiperoutputs  
with CMOS switches. A separate 6-bit control register  
(WCR)independentlycontrolsthewipertapswitchesfor  
each DPP. Associated with each wiper control register  
are four 6-bit non-volatile memory data registers (DR)  
used for storing up to four wiper settings. Writing to the  
The CAT5411 can be used as a potentiometer or as a  
two terminal, variable resistor. It is intended for circuit  
level or system level adjustments in a wide variety of  
applications.  
FUNCTIONAL DIAGRAM  
PIN CONFIGURATION  
SOIC  
Package  
(J,  
W)TSSOP  
WP  
Package  
(U,  
Y)  
R
R
H1  
H0  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
NC  
NC  
NC  
NC  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
V
1
2
3
4
5
6
7
8
9
SI  
1
CC  
CS  
R
R
A
2
L0  
1
R
R
3
W0  
H0  
L1  
CS  
SCK  
R
R
V
R
W0  
CS  
R
4
H0  
L0  
H1  
WIPER  
CONTROL  
REGISTERS  
SPI BUS  
INTERFACE  
A
0
R
5
W1  
SI  
SO  
SO  
WP  
SI  
GND  
NC  
6
CC  
R
R
CAT  
5411  
CAT  
5411  
W0  
W1  
HOLD  
SCK  
NC  
NC  
7
NC  
NC  
NC  
A
NC  
8
1
R
L1  
NC  
9
WP  
A0  
A1  
NONVOLATILE  
DATA  
REGISTERS  
CONTROL  
LOGIC  
NC  
R
H1  
10  
NC  
10  
11  
12  
NC  
A
0
R
11  
12  
SCK  
HOLD  
W1  
NC  
SO  
GND  
1
2
3
4
R
R
L1  
L0  
R
CS  
WP  
A
R
L1  
W0  
1
A
R
SI  
R
W1  
L0  
B
C
D
E
F
V
R
R
V
SS  
CC  
H0  
H1  
BGA  
NC  
NC  
SO  
NC  
HOLD  
SCK  
NC  
NC  
NC  
NC  
NC  
A
0
Top View - Bump Side Down  
1
© 2004 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Document No. 2114, Rev. G  
CAT5411  
PIN DESCRIPTION  
PIN DESCRIPTIONS  
Pin  
Pin  
Pin  
SI:  
Serial Input  
(SOIC)(TSSOP)(BGA)Name Function  
SI is the serial data input pin. This pin is used to input  
all opcodes, byte addresses and data to be written to  
the CAT5411. Input data is latched on the rising edge  
of the serial clock.  
1
2
19  
20  
C1  
B1  
VCC  
RL0  
Supply Voltage  
Low Reference Terminal  
for Potentiometer 0  
3
21  
C2  
RH0  
High Reference Terminal  
for Potentiometer 0  
SO:  
Serial Output  
SO is the serial data output pin. This pin is used to  
transfer data out of the CAT5411. During a read  
cycle, data is shifted out on the falling edge of the  
serial clock.  
4
5
6
7
8
9
22  
23  
24  
1
A1  
A2  
B2  
B3  
A3  
A4  
RW0  
CS  
WP  
SI  
Wiper Terminal for Potentiometer 0  
Chip Select  
Write Protection  
SCK:  
Serial Clock  
Serial Input  
SCK is the serial clock pin. This pin is used to  
synchronize the communication between the  
microcontroller and the CAT5411. Opcodes, byte  
addresses or data present on the SI pin are latched  
on the rising edge of the SCK. Data on the SO pin is  
updated on the falling edge of the SCK.  
2
A1  
Device Address  
3
RL1  
Low Reference Terminal  
for Potentiometer 1  
10  
4
C3  
RH1  
High Reference Terminal  
for Potentiometer 1  
11  
12  
13  
14  
15  
16  
17  
5
6
B4  
C4  
D4  
E4  
D3  
F4  
F3  
RW1  
GND  
NC  
Wiper Terminal for Potentiometer 1  
Ground  
A0, A1: Device Address Inputs  
These inputs set the device address when address-  
ing multiple devices. A total of four devices can be  
addressed on a single bus. A match in the slave  
address must be made with the address input in  
order to initiate communication with the CAT5411.  
7
No Connect  
8
NC  
No Connect  
9
NC  
No Connect  
10  
11  
NC  
No Connect  
RH, RL: Resistor End Points  
The RH and RL pins are equivalent to the terminal  
connections on a mechanical potentiometer.  
SCK  
Bus Serial Clock  
18  
19  
20  
21  
22  
23  
12  
13  
14  
15  
16  
17  
E3  
E2  
F2  
F1  
D2  
E1  
HOLD  
SO  
Hold  
Serial Data Output  
Device Address, LSB  
No Connect  
RW:  
Wiper  
A0  
The RW pins are equivalent to the wiper terminal of a  
mechanical potentiometer.  
NC  
NC  
No Connect  
CS:  
Chip Select  
NC  
No Connect  
CS is the Chip select pin. CS low enables the  
CAT5411 and CS high disables the CAT5411. CS high  
24  
18  
D1  
NC  
No Connect  
takes the SO output pin to high impedance and forces the devices into a Standby mode (unless an internal write operation is  
underway). The CAT5411 draws ZERO current in the Standby mode. A high to low transition on CS is required prior to any  
sequence being initiated. A low to high transition on CS after a valid write sequence is what initiates an internal write cycle.  
WP:  
Write Protect  
WP is the Write Protect pin. The Write Protect pin will allow normal read/write operations when held high. When WP is tied low, all  
non-volatile write operations to the Data registers are inhibited (change of wiper control register is allowed). WP going low while  
CS is still low will interrupt a write to the registers. If the internal write cycle has already been initiated, WP going low will have no  
effect on any write operation.  
HOLD: Hold  
The HOLD pin is used to pause transmission to the CAT5411 while in the middle of a serial sequence without having to re-  
transmit entire sequence at a later time. To pause, HOLD must be brought low while SCK is low. The SO pin is in a high imped-  
ance state during the time the part is paused, and transitions on the SI pins will be ignored. To resume communication, HOLD is  
brought high, while SCK is low. (HOLD should be held high any time this function is not being used.) HOLD may be tied high  
directly to VCC or tied to VCC through a resistor.  
Document No. 2114, Rev. F  
2
CAT5411  
SERIAL BUS PROTOCOL  
The CAT5041 supports the SPI bus data transmission  
protocol. The synchronous Serial Peripheral Interface  
(SPI) helps the CAT5411 to interface directly with many  
of today's popular microcontrollers. The CAT5041  
containsan8-bitinstructionregister.Theinstruction set  
and the operation codes are detailed in the instruction  
set table 3.  
After the device is selected with CS going low the first  
byte will be received. The part is accessed via the SI pin,  
withdatabeingclockedinontherisingedgeofSCK.The  
first byte contains one of the six op-codes that define the  
operation to be performed.  
DEVICE OPERATION  
The CAT5411 is two resistor arrays integrated with SPI  
serial interface logic, four 6-bit wiper control registers  
and eight 6-bit, non-volatile memory data registers.  
Each resistor array contains 63 separate resistive  
elements connected in series. The physical ends of  
each array are equivalent to the fixed terminals of a  
mechanical potentiometer (RH and RL). RH and RL are  
symmetricalandmaybeinterchanged.Thetappositions  
between and at the ends of the series resistors are  
connected to the output wiper terminals (RW) by a  
CMOS transistor switch. Only one tap point for each  
potentiometerisconnectedtoitswiperterminalatatime  
and is determined by the value of the wiper control  
register. Data can be read or written to the wiper control  
registers or the non-volatile memory data registers via  
the SPI bus. Additional instructions allows data to be  
transferred between the wiper control registers and  
each respective potentiometer's non-volatile data  
registers. Also, the device can be instructed to operate  
in an "increment/decrement" mode.  
Document No. 2114, Rev. G  
3
CAT5411  
*COMMENT  
ABSOLUTE MAXIMUM RATINGS*  
Stresses above those listed under Absolute Maximum Ratings”  
may cause permanent damage to the device. These are stress  
ratings only, and functional operation of the device at these or any  
other conditions outside of those listed in the operational sections  
of this specification is not implied. Exposure to any absolute  
maximum rating for extended periods may affect device perfor-  
mance and reliability.  
Temperature Under Bias .................. -55°C to +125°C  
Storage Temperature........................ -65°C to +150°C  
Voltage on any Pin with  
Respect to VSS(1)(2) ................ -2.0V to +VCC +2.0V  
V
CC with Respect to Ground ................ -2.0V to +7.0V  
Recommended Operating Conditions:  
Package Power Dissipation  
V
= +2.5V to +6.0V  
CC  
Capability (TA = 25°C) ................................... 1.0W  
Temperature  
Industrial  
Min  
Max  
85°C  
Lead Soldering Temperature (10 secs) ............ 300°C  
-40°C  
Wiper Current.................................................. +12mA  
Note:  
(1) The minimum DC input voltage is 0.5V. During transitions, inputs may undershoot to 2.0V for periods of less than 20 ns.  
Maximum DC voltage on output pins is V +0.5V, which may overshoot to V +2.0V for periods of less than 20 ns.  
CC  
CC  
(2) Latch-up protection is provided for stresses up to 100 mA on address and data pins from 1V to V +1V.  
CC  
POTENTIOMETER CHARACTERISTICS  
Over recommended operating conditions unless otherwise stated.  
Symbol  
RPOT  
Parameter  
Test Conditions  
Min  
Typ  
100  
50  
Max  
Units  
kΩ  
Potentiometer Resistance (-00)  
Potentiometer Resistance (-50)  
Potentiometer Resistance (-10)  
Potentiometer Resistance (-2.5)  
Potentiometer Resistance  
RPOT  
kΩ  
RPOT  
10  
kΩ  
RPOT  
2.5  
kΩ  
+20  
%
Tolerance  
RPOT Matching  
1
%
mW  
mA  
Power Rating  
25°C, each pot  
50  
IW  
RW  
Wiper Current  
+6  
Wiper Resistance  
Wiper Resistance  
Voltage on any RH or RL Pin  
Noise  
IW = +3mA @ VCC =3V  
IW = +3mA @ VCC = 5V  
300  
150  
VCC  
RW  
80  
1.6  
VTERM  
VN  
VSS = 0V  
GND  
V
(1)  
nV/ Hz  
%
Resolution  
Absolute Linearity (2)  
Relative Linearity (3)  
Rw(n)(actual)-R(n)(expected)  
+1  
LSB (4)  
LSB (4)  
ppm/°C  
(5)  
(5)  
Rw(n+1)-[Rw(n)+LSB  
]
+0.2  
Temperature Coefficient of  
RPOT  
+300  
(1)  
(1)  
(1)  
TCRPOT  
TCRATIO  
CH/CL/CW  
fc  
Ratiometric Temp. Coefficient  
Potentiometer Capacitances  
Frequency Response  
20  
ppm/°C  
pF  
10/10/25  
0.4  
RPOT = 50k(1)  
MHz  
Note:  
(1) This parameter is tested initially and after a design or process change that affects the parameter.  
(2) Absolute linearity is utilitzed to determine actual wiper voltage versus expected voltage as determined by wiper position when used as a potentiometer.  
(3) Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a  
potentiometer. It is a measure of the error in step size.  
(4) LSB = RTOT / 63 or (RH - RL) / 63, single pot  
(5) n = 0, 1, 2, ..., 63  
Document No. 2114, Rev. F  
4
CAT5411  
D.C. OPERATING CHARACTERISTICS  
Over recommended operating conditions unless otherwise stated.  
Symbol  
Parameter  
Test Conditions  
Min  
Typ  
Max  
Units  
ICC  
Power Supply Current  
fSCK = 2MHz, SO Open  
Inputs = GND  
1
mA  
ISB  
ILI  
Standby Current (VCC = 5.0V)  
Input Leakage Current  
Output Leakage Current  
Input Low Voltage  
VIN = GND or VCC; SO Open  
VIN = GND to VCC  
1
µA  
µA  
µA  
10  
10  
ILO  
VOUT = GND to VCC  
VIL  
-1  
VCC x 0.3  
VCC + 1.0  
0.4  
V
V
V
VIH  
VOL1  
Input High Voltage  
VCC x 0.7  
Output Low Voltage (VCC = 3.0V)  
IOL = 3 mA  
(1)  
PIN CAPACITANCE  
Applicable over recommended operating range from TA=25˚C, f=1.0 MHz, VCC=+5.0V (unless otherwise noted).  
Symbol  
COUT  
CIN  
Test Conditions  
Min  
Typ  
Max  
8
Units  
pF  
Conditions  
VOUT=0V  
VIN=0V  
Output Capacitance (SO)  
Input Capacitance (CS, SCK, SI, WP, HOLD)  
6
pF  
Document No. 2114, Rev. G  
5
CAT5411  
A.C. CHARACTERISTICS  
Over recommended operating conditions unless otherwise stated.  
Test  
SYMBOL  
tSU  
PARAMETER  
Min  
50  
Typ  
Max UNITS  
Conditions  
Data Setup Time  
Data Hold Time  
ns  
ns  
ns  
ns  
tH  
50  
tWH  
SCK High Time  
125  
125  
DC  
tWL  
SCK Low Time  
fSCK  
tLZ  
Clock Frequency  
HOLD to Output Low Z  
Input Rise Time  
3
50  
2
MHz  
ns  
µs  
µs  
ns  
ns  
ms  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
(1)  
tRI  
(1)  
tFI  
Input Fall Time  
2
CL = 50pF  
tHD  
tCD  
tWC  
tV  
HOLD Setup Time  
HOLD Hold Time  
Write Cycle Time  
Output Valid from Clock Low  
Output Hold Time  
Output Disable Time  
HOLD to Output High Z  
CS High Time  
100  
100  
10  
250  
tHO  
tDIS  
tHZ  
tCS  
tCSS  
0
250  
100  
250  
250  
250  
CS Setup Time  
tCSH  
CS Hold Time  
NOTE:  
(1) This parameter is tested initially and after a design or process change that affects the parameter.  
(1)  
POWER UP TIMING  
Over recommended operating conditions unless otherwise stated.  
Symbol  
tPUR  
Parameter  
Min  
Typ  
Max Units  
Power-up to Read Operation  
Power-up to Write Operation  
1
1
ms  
ms  
tPUW  
Note:  
(1) This parameter is tested initially and after a design or process change that affects the parameter.  
Document No. 2114, Rev. F  
6
CAT5411  
WRITE CYCLE LIMITS  
Over recommended operating conditions unless otherwise stated.  
Symbol  
Parameter  
Min  
Typ  
Typ  
Max  
Units  
tWR  
Write Cycle Time  
5
ms  
RELIABILITY CHARACTERISTICS  
Over recommended operating conditions unless otherwise stated.  
Symbol  
Parameter  
Reference Test Method  
MIL-STD-883, Test Method 1033  
MIL-STD-883, Test Method 1008  
MIL-STD-883, Test Method 3015  
JEDEC Standard 17  
Min  
1,000,000  
100  
Max  
Units  
Cycles/Byte  
Years  
(1)  
NEND  
Endurance  
(1)  
TDR  
Data Retention  
ESD Susceptibility  
Latch-Up  
(1)  
VZAP  
2000  
Volts  
(1)(2)  
ILTH  
100  
mA  
Note:  
(1) This parameter is tested initially and after a design or process change that affects the parameter.  
(2) t and t are the delays required from the time V is stable until the specified operation can be initiated.  
PUR  
PUW  
CC  
Figure 1. Sychronous Data Timing  
t
CS  
VIH  
CS  
VIL  
t
CSH  
t
CSS  
VIH  
VIL  
t
t
WL  
SCK  
SI  
WH  
t
t
H
SU  
VIH  
VALID IN  
V
IL  
t
RI  
FI  
t
t
V
t
t
HO  
DIS  
VOH  
VOL  
HI-Z  
HI-Z  
SO  
Note: Dashed Line= mode (1, 1) — — — —  
Figure 2. HOLD Timing  
CS  
t
t
CD  
CD  
SCK  
t
HD  
t
HD  
HOLD  
SO  
t
HZ  
HIGH IMPEDANCE  
t
LZ  
Document No. 2114, Rev. G  
7
CAT5411  
INSTRUCTION BYTE  
INSTRUCTION AND REGISTER  
DESCRIPTION  
ThenextbytesenttotheCAT5411containstheinstruction  
andregisterpointerinformation.Thefourmostsignificant  
bits used provide the instruction opcode I [3:0]. The R1  
and R0 bits point to one of the four data registers of each  
associated potentiometer. The least two significant bits  
point to one of two Wiper Control Registers. The format  
is shown in Table 2.  
DEVICE TYPE / ADDRESS BYTE  
The first byte sent to the CAT5411 from the master/  
processor is called the Device Address Byte. The most  
significant four bits of the Device Type address are a  
device type identifier. These bits for the CAT5411 are  
fixed at 0101[B] (refer to Table 1).  
Data Register Selection  
Data Register Selected  
R1  
0
R0  
0
The two least significant bits in the slave address byte,  
A1 - A0, are the internal slave address and must match  
thephysicaldeviceaddresswhichisdefinedbythestate  
of the A1 - A0 input pins for the CAT5411 to successfully  
continuethecommandsequence.Onlythedevicewhich  
slave address matches the incoming device address  
sent by the master executes the instruction. The A1 - A0  
inputs can be actively driven by CMOS input signals or  
tied to VCC or VSS. The remaining two bits in the device  
address byte must be set to 0.  
DR0  
DR1  
DR2  
DR3  
0
1
1
0
1
1
Table 1. Identification Byte Format  
Device Type  
Identifier  
Slave Address  
ID3  
0
ID2  
1
ID1  
0
ID0  
1
0
0
A1  
A0  
(MSB)  
(LSB)  
Table 2. Instruction Byte Format  
Instruction  
Opcode  
Data Register  
Selection  
WCR/Pot Selection  
I3  
I2  
I1  
I0  
R1  
R0  
0
P0  
(MSB)  
(LSB)  
Document No. 2114, Rev. F  
8
CAT5411  
four Data Registers and the associated Wiper Control  
Register. Any data changes in one of the Data Registers  
is a non-volatile operation and will take a maximum of  
5ms.  
WIPER CONTROL AND DATA REGISTERS  
Wiper Control Register (WCR)  
The CAT5411 contains two 6-bit Wiper Control  
Registers, one for each potentiometer. The Wiper  
Control Register output is decoded to select one of 64  
switches along its resistor array. The contents of the  
WCR can be altered in four ways: it may be written by  
the host via Write Wiper Control Register instruction;  
it may be written by transferring the contents of one of  
four associated Data Registers via the XFR Data  
Register instruction, it can be modified one step at a  
time by the Increment/decrement instruction (see  
Instruction section for more details). Finally, it is  
loaded with the content of its data register zero (DR0)  
upon power-up.  
Write in Process  
The contents of the Data Registers are saved to  
nonvolatile memory when the CS input goes HIGH after  
a write sequence is received. The status of the internal  
write cycle can be monitored by issuing a Read Status  
command to read the Write in Process (WIP) bit.  
INSTRUCTIONS  
Five of the ten instructions are three bytes in length.  
These instructions are:  
Read Wiper Control Register - read the current  
wiperpositionoftheselectedpotentiometerintheWCR  
The Wiper Control Register is a volatile register that  
loses its contents when the CAT5411 is powered-down.  
Although the register is automatically loaded with the  
value in DR0 upon power-up, this may be different from  
the value present at power-down.  
Write Wiper Control Register - change current  
wiperpositionintheWCRoftheselectedpotentiometer  
Read Data Register - read the contents of the  
selected Data Register  
Data Registers (DR)  
Write Data Register - write a new value to the  
Each potentiometer has four 6-bit non-volatile Data  
Registers. These can be read or written directly by the  
host. Data can also be transferred between any of the  
selected Data Register  
Read Status - Read the status of the WIP bit which  
Table 3. Instruction Set  
Instruction Set  
WCR0/  
P0  
Instruction  
I3  
I2  
I1  
I0  
R1  
R0  
0
Operation  
Read Wiper Control  
Register  
1
0
0
1
0
0
0
1/0  
Read the contents of the Wiper Control  
Register pointed to by P0  
Write Wiper Control Register  
1
1
1
1
0
0
1
1
1
1
0
0
0
1
0
1
0
0
0
0
0
0
1/0  
1/0  
1/0  
1/0  
Write new value to the Wiper Control  
Register pointed to by P0  
Read Data Register  
1/0 1/0  
1/0 1/0  
1/0 1/0  
Read the contents of the Data Register  
pointed to by P0 and R1-R0  
Write Data Register  
Write new value to the Data Register  
pointed to by P0 and R1-R0  
XFR Data Register to Wiper  
Control Register  
Transfer the contents of the Data Register  
pointed to by P0 and R1-R0 to its  
associated Wiper Control Register  
XFR Wiper Control Register  
to Data Register  
1
0
1
1
0
0
1
0
0
0
1
0
1/0 1/0  
1/0 1/0  
1/0 1/0  
0
0
0
1/0  
0
Transfer the contents of the Wiper Control  
Register pointed to by P0 to the Data  
Register pointed to by R1-R0  
GlobalXFR DataRegisters  
to Wiper Control Registers  
Transfer the contents of the Data Registers  
pointed to by R1-R0 of all four pots to their  
respective Wiper Control Regsister  
Global XFR Wiper Control  
Registers to Data Register  
0
Transfer the contents of both Wiper Control  
Registers to their respective data Registers  
pointed to by R1-R0 of all four pots  
Increment/Decrement Wiper  
Control Register  
0
0
0
1
1
0
0
1
0
0
0
0
0
0
1/0  
1
Enable Increment/decrement of the Control  
Latch pointed to by P0  
Read WIP bit to check internal  
write cycle status  
Read Status (WIP bit)  
Note: 1/0 = data is one or zero  
Document No. 2114, Rev. G  
9
CAT5411  
when set to "1" signifies a write cycle is in progress.  
Global XFR Data Register to Wiper  
Control Register  
The basic sequence of the three byte instructions is  
illustrated in Figure 8. These three-byte instructions  
exchange data between the WCR and one of the Data  
Registers. The WCR controls the position of the wiper.  
The response of the wiper to this action will be delayed  
bytWRL.AtransferfromtheWCR(currentwiperposition),  
to a Data Register is a write to non-volatile memory and  
takes a minimum of tWR to complete. The transfer can  
occur between one of the potentiometers and one of its  
associated registers; or the transfer can occur between  
both potentiometers and one associated register.  
This transfers the contents of all specified Data  
Registers to the associated Wiper Control  
Registers.  
Global XFR Wiper Counter Register to  
Data Register  
This transfers the contents of all Wiper Control  
Registers to the specified associated Data  
Registers.  
INCREMENT/DECREMENT COMMAND  
The final command is Increment/Decrement (Figure 5  
and 9). The Increment/Decrement command is different  
from the other commands. Once the command is issued  
the master can clock the selected wiper up and/or down  
in one segment steps; thereby providing a fine tuning  
Four instructions require a two-byte sequence to  
complete, as illustrated in Figure 7. These instructions  
transfer data between the host/processor and the  
CAT5411; either between the host and one of the data  
registers or directly between the host and the Wiper  
Control Register. These instructions are:  
capability to the host. For each SCK clock pulse (tHIGH  
)
while SI is HIGH, the selected wiper will move one  
resistor segment towards the RH terminal. Similarly, for  
each SCK clock pulse while SI is LOW, the selected  
wiper will move one resistor segment towards the RL  
terminal.  
XFR Data Register to Wiper Control Register  
This transfers the contents of one specified Data  
Register to the associated Wiper Control Register.  
XFR Wiper Control Register to Data Register  
This transfers the contents of the specified Wiper  
Control Register to the specified associated  
Data Register.  
See Instructions format for more detail.  
Figure 7. Two-Byte Instruction Sequence  
SI  
0
1
0
1
0
0
ID3 ID2 ID1 ID0  
A2 A1 A0  
A3  
I3 I2 I1  
I0 R1 R0  
0
P0  
Internal  
Address  
Instruction  
Opcode  
Register  
Address  
Pot/WCR  
Address  
Device ID  
Figure 8. Three-Byte Instruction Sequence  
0
1
0
1
SI  
I3  
I1  
0
P0 D7 D6 D5 D4 D3 D2 D1 D0  
I2  
I0 R1 R0  
ID3 ID2  
ID0 A3 A2 A1 A0  
ID1  
Internal  
Address  
Device ID  
Instruction  
Opcode  
Data  
Register Address  
Address  
Pot/WCR  
WCR[7:0]  
or  
Data Register D[7:0]  
Figure 9. Increment/Decrement Instruction Sequence  
0
1
0
1
SI  
ID3 ID2 ID1 ID0  
Device ID  
I1  
A3 A2 A1 A0 I3 I2  
I0  
R1 R0  
0
P0  
I
I
D
E
C
1
I
D
E
C
n
N
N
C
2
N
C
n
Instruction  
Opcode  
Pot/WCR  
Address 1  
Data  
Register  
Address  
C
Internal  
Address  
Document No. 2114, Rev. F  
10  
CAT5411  
Figure 10. Increment/Decrement Timing Limits  
INC/DEC  
Command  
Issued  
t
WRID  
SCK  
SI  
Voltage Out  
R
W
INSTRUCTION FORMAT  
Read Wiper Control Register (WCR)  
DEVICE ADDRESSES  
INSTRUCTION  
DATA  
0 1 0 1 0 0 A1 A0 1 0 0 1 0 0 0 P0 7 6 5  
0 0  
4
3
3
2 1 0  
CS  
CS  
Write Wiper Control Register (WCR)  
DEVICE ADDRESSES INSTRUCTION  
DATA  
0 1 0 1 0 0 A1 A0 1 0 0 1 0 0 0 P0 7 6 5  
0 0  
4
2 1 0  
CS  
CS  
CS  
Read Data Register (DR)  
DEVICE ADDRESSES  
INSTRUCTION  
DATA  
0 1 0 1 0 0 A1 A0 1 0 1 1 R1 R0 0 P0 7 6 5 4 3 2 1  
0
0
CS  
Write Data Register (DR)  
DEVICE ADDRESSES  
INSTRUCTION  
DATA  
High Voltage  
Write Cycle  
0 1 0 1 0 0 A1 A0 1 1 0 0 R1 R0 0 P0 7 6 5 4 3 2 1  
CS  
CS  
CS  
Read (WIP) Status  
DEVICE ADDRESSES  
0 1 0 1 0 0 A1 A0 0 1 0 1 0 0 0 1 7 6 5 4 3  
INSTRUCTION  
DATA  
W
2
0
1
0
CS  
I
0 0 0 0  
0
P
Document No. 2114, Rev. G  
11  
CAT5411  
INSTRUCTION FORMAT (continued)  
Global Transfer Data Register (DR) to Wiper Control Register (WCR)  
DEVICE ADDRESSES  
INSTRUCTION  
0 1 0 1 0 0 A1 A0 0 0 0 1 R1 R0 0 0  
CS  
CS  
Global Transfer Wiper Control Register (WCR) to Data Register (DR)  
DEVICE ADDRESSES  
INSTRUCTION  
High Voltage  
Write Cycle  
0 1 0 1 0 0 A1 A0 1 0 0 0 R1 R0 0 0  
CS  
CS  
Transfer Wiper Control Register (WCR) to Data Register (DR)  
DEVICE ADDRESSES  
INSTRUCTION  
High Voltage  
Write Cycle  
0 1 0 1 0 0 A1 A0 1 1 1 0 R1 R0 0 P0  
CS  
CS  
Transfer Data Register (DR) to Wiper Control Register (WCR)  
DEVICE ADDRESSES  
INSTRUCTION  
0 1 0 1 0 0 A1A0 1 1 0 1 R1 R0 0 P0  
CS  
CS  
Increment (I)/Decrement (D) Wiper Control Register (WCR)  
DEVICE ADDRESSES  
INSTRUCTION  
DATA  
0 1 0 1 0 0 A1 A0 0 0 1 0 0 0 0 P0 I/D I/D  
I/D I/D  
CS  
CS  
• • •  
Notes:  
(1) Any write or transfer to the Non-volatile Data Registers is followed by a high voltage cycle after CS goes high.  
Document No. 2114, Rev. F  
12  
CAT5411  
ORDERING INFORMATION  
Prefix  
Device #  
Suffix  
-TE13  
CAT  
5411  
J
I
-10  
Optional  
Company ID  
Product  
Number  
Tape & Reel  
TE13: 2000/Reel  
Package  
J: SOIC  
B: BGA  
U: TSSOP  
W: SOIC (Lead free, Halogen free)  
Y: TSSOP (Lead free, Halogen free)  
Resistance  
-25: 2.5kohm  
-10: 10kohm  
-50: 50kohm  
-00: 100kohm  
Temperature Range  
I = Industrial (-40 C to 85 C)  
Notes:  
(1) The device used in the above example is a CAT5411JI-10-TE13 (SOIC, Industrial Temperature, 10kohm, Tape & Reel)  
PACKAGING INFORMATION  
24-LEAD 300 MIL WIDE SOIC (J)  
0.2914 (7.40) 0.394 (10.00)  
0.2992 (7.60) 0.419 (10.65)  
0.5985 (15.20)  
0.6141 (15.60)  
0.0926 (2.35)  
0.1043 (2.65)  
0.050 (1.27) BSC  
0.0040 (0.10)  
0.0118 (0.30)  
0.013 (0.33)  
0.020 (0.51)  
0.010 (0.25)  
X 45  
0.029 (0.75)  
0.0091 (0.23)  
0.0125 (0.32)  
0 8  
0.016 (0.40)  
0.050 (1.27)  
Document No. 2114, Rev. G  
13  
CAT5411  
PACKAGING INFORMATION CON'T  
24 Lead TSSOP (U)  
7.8 + 0.1  
-A-  
7.72 TYP  
6.4  
4.16 TYP  
4.4 + 0.1  
-B-  
(1.78 TYP)  
3.2  
0.42 TYP  
0.65 TYP  
0.2 C B A  
ALL LEAD TIPS  
LAND PATTERN RECOMMENDATION  
PIN #1 INDENT.  
1.1 MAX TYP  
0.1 C  
ALL LEAD TIPS  
(0.9)  
-C-  
0.10 + 0.05 TYP  
0.65 TYP  
0.19 - 0.30 TYP  
0.3 M A B S C S  
SEE DETAIL A  
GAGE PLANE  
0.25  
0.09 - 0.20 TYP  
0o- 8o  
0.6+0.1  
SEATING PLANE  
DETAIL A  
Document No. 2114, Rev. F  
14  
CAT5411  
PACKAGING INFORMATION CON'T  
24 Ball BGA  
a
a
j
m
k
1
2
3
4
4
3
2
1
A
B
C
D
E
F
A
B
C
D
E
F
b
b
f
Top View (Bump Side Down)  
Bottom View (Bump Side Up)  
Note: Drawing not to scale  
= Die orientation mark  
d
c
e
Side View (Bump Side Down)  
Millimeters  
Inches  
Symbol  
Min  
TBD  
TBD  
0.635  
0.433  
0.202  
0.284  
24  
Nom  
TBD  
Max  
TBD  
TBD  
Nom  
Min  
TBD  
TBD  
Max  
Package Body Dimension X  
Package Body Dimension Y  
Package Height  
a
b
c
d
e
f
TBD  
TBD  
TBD  
TBD  
TBD  
0.505  
0.395  
0.110  
0.180  
0.765 0.02500 0.01988 0.03012  
0.471 0.01705 0.01555 0.01854  
0.294 0.00795 0.00433 0.01157  
0.388 0.01118 0.00709 0.01528  
Package Body Thickness  
Ball Height  
Ball Diameter  
Total Ball Count  
g
h
i
Ball Count X Axis  
Ball Count Y Axis  
Pins Pitch X Axis  
4
6
j
0.5  
Pins Pitch Y Axis  
k
0.5  
Edge to Ball Center (Corner)  
Distance Along X  
l
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
TBD  
Edge to Ball Center (Corner)  
Distance Along Y  
m
Document No. 2114, Rev. G  
15  
REVISION HISTORY  
Date  
Rev.  
Reason  
04/01/04  
G
Eliminate data sheet designation  
Update Features  
Update Description  
Update Pin Description  
Update Absolute Maximum Ratings  
Update Recommended Operating Conditions  
Update Potentiometer Characteristics  
Update Reliability Characteristics  
Update Ordering Information  
Copyrights, Trademarks and Patents  
Trademarks and registered trademarks of Catalyst Semiconductor include each of the following:  
2
DPP ™  
DPPs ™ AE ™  
Catalyst Semiconductor has been issued U.S. and foreign patents and has patent applications pending that protect its products. For a complete list of patents  
issued to Catalyst Semiconductor contact the Companys corporate office at 408.542.1000.  
CATALYST SEMICONDUCTOR MAKES NO WARRANTY, REPRESENTATION OR GUARANTEE, EXPRESS OR IMPLIED, REGARDING THE SUITABILITY OF ITS  
PRODUCTS FOR ANY PARTICULAR PURPOSE, NOR THAT THE USE OF ITS PRODUCTS WILL NOT INFRINGE ITS INTELLECTUAL PROPERTY RIGHTS OR THE  
RIGHTS OF THIRD PARTIES WITH RESPECT TO ANY PARTICULAR USE OR APPLICATION AND SPECIFICALLY DISCLAIMS ANY AND ALL LIABILITY ARISING  
OUT OF ANY SUCH USE OR APPLICATION, INCLUDING BUT NOT LIMITED TO, CONSEQUENTIAL OR INCIDENTAL DAMAGES.  
Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or  
other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a  
situation where personal injury or death may occur.  
Catalyst Semiconductor reserves the right to make changes to or discontinue any product or service described herein without notice. Products with data sheets  
labeled "Advance Information" or "Preliminary" and other products described herein may not be in production or offered for sale.  
Catalyst Semiconductor advises customers to obtain the current version of the relevant product information before placing orders. Circuit diagrams illustrate  
typical semiconductor applications and may not be complete.  
Catalyst Semiconductor, Inc.  
Corporate Headquarters  
1250 Borregas Avenue  
Sunnyvale, CA 94089  
Phone: 408.542.1000  
Publication #: 2114  
Fax: 408.542.1200  
Revison:  
G
www.catalyst-semiconductor.com  
Issue date:  
4/01/04  

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