AN265_技术文档

AN265

2ND-GENERATION PROSLIC^®GUI USER ’S GUIDE

1. Introduction

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The 2nd-Generation ProSLIC Graphical User Interface (GUI) software uses the USB port or the parallel port of a

PC to communicate with the ProSLIC. Either the USB-capable Voice motherboard (VMB) or an older parallel port

ProSLIC motherboard may be used with the software. The Voice motherboard accesses the ProSLIC's SPI and

PCM ports, while the ProSLIC motherboard only accesses the SPI port. This document applies to Rev 0.98 of the

software. The program runs on Windows 98/NT/2000/XP. Invoking the 2nd-Generation ProSLIC GUI causes the

Voice motherboard to be initialized (if it is connected) and the ProSLIC to be taken out of reset.

2. Installation

To install the 2nd-Generation ProSLIC GUI, run setup.exe. If a previous installation of the software is detected,

running setup.exe uninstalls the old version, and it is necessary to run setup.exe again. When setup installation is

complete, installation instructions for the USB driver for the Voice motherboard are displayed. At this point, connect

the USB cable from the PC to the Voice motherboard. If prompted to install a driver, direct Windows to use the

directory specified in the instructions displayed at the end of the installation in:

C:\Program Files\Silicon Laboratories\VMB Driver\

If you are not prompted to install the USB driver, it is recommended that you uninstall the old driver and install the

driver provided with the software.

2.1. Reinstall USB Driver

To uninstall the USB driver, go to Start->Control Panel, and double-click on “System”. Go to the “Hardware” tab as

shown in Figure 1.

Figure 1. System Properties Screen

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Then, click on “Device Manager”. Expand USB controllers, and you should see “USBXpress Device” as shown in

Figure 2.

Figure 2. Device Manager Screen

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Right-click on this device, and choose "Update Driver…". Decline connecting to Windows Update by choosing "No,

Not this time" when prompted as shown in Figure 3.

Figure 3. Hardware Update Wizard

Click “Next”. Then, choose "Install from a list or specific location (Advanced)" as shown Figure 4.

Figure 4. Installing Software for USBXpress Device

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Click “Next”. Now, choose “Search for the best driver in these locations”, and use the “Browse” button to specify

C:\Program Files\Silicon Laboratories\VMB Drivers as shown in Figure 5.

Figure 5. Search and Installation Options

Click “Next”, and the drivers will be updated as needed.

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3. Launching The Software

The 2nd-Generation ProSLIC GUI may be used with either the older ProSLIC motherboard or the Voice

motherboard; however, by default, the USB interface for the Voice motherboard is selected.

3.1. Voice Motherboard (USB)

First, make sure that the USB cable is connected and that power is applied to the Voice motherboard. Click on the

shortcut in the start menu at Program Files → Silicon Laboratories → 2nd Generation ProSLIC GUI. Select Si324x

or Si3226 and click “OK”. If you receive a message like the one in Figure 6, make sure that the Voice motherboard

driver is installed, the USB cable is connected, and that no other running software is accessing the Voice

motherboard.

Figure 6. USB Error

Sometimes, it may be necessary to unplug the USB cable and reconnect it to the Voice motherboard to reset the

USB device. The Voice motherboard defaults to SPI/PCM communication; however, GCI communication can also

be used. To use GCI, first connect SDITHRU on the ProSLIC to ground, and then select “Connect Motherboard”

and “Connect USB (GCI)”.

3.2. ProSLIC Motherboard (Parallel Port)

Click on the shortcut in the start menu at Program Files → Silicon Laboratories → 2nd Generation ProSLIC GUI.

Ignore any error message pertaining to the USB interface. To enable the parallel port interface, go to the menu bar

at the top, and select “Connect Motherboard”; then, select “Connect LPT”. Make certain that power is applied to the

board. If the parallel port address differs from the default (0x378), select the “Options” menu item; then, select

“Parallel Port Config” to change the port address being used.

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4. ProSLIC Communication

On the top left of the screen, there are several important controls, shown in Figure 7. The “Channel” control selects

the channel with which the software is currently communicating. The value can range from 0 to 31 for a total of 32

channels. The “Broadcast” control enables the broadcast bit in the SPI control byte during register writes, allowing

the user to write to all channels simultaneously. The “RESET” button pulls the ProSLIC's reset pin low when it is

pressed. This button may also be activated using the Escape key.

Figure 7. Screen Top Left

The “Initialize” button determines how many channels are present, reads the device ID of the current channel,

reads the detected PCLK rate, and displays this information on the top right of the screen. Pushing this button also

loads the contents of the initialization file to the ProSLIC. The file is located in the installation directory and contains

the recommended initialization sequence. This file may be edited to change the behavior of the “Initialize” button.

The format of this file and other files used by the software are described later in this document. If the “All Channels”

control is checked, all channels are initialized according to the contents of the initialization file; otherwise, only the

channel currently selected is affected by the “Initialize” button. Select the appropriate BOM option using the

“Linefeed” selector before pressing “Initialize”.

On the bottom left of the screen, there are controls to read and write single registers or RAM locations (see

Figure 8). Select whether you would like to access a register or a RAM location and enter the address to access. If

writing to the ProSLIC, enter data to write in the box next to the “Write” button, and then click either “Write” or

“Read” to execute. Data read back is displayed in the box next to the “Read” button.

Figure 8. Single Reads/Writes

Also shown in Figure 8 is the User Mode control, which is activated by clicking on the green area. If User Mode is

successfully entered by the ProSLIC, the control turns bright green to confirm.

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5. Registers/RAM

When you launch the software, the “Registers/RAM” tab, which displays a table of all the registers in the ProSLIC,

appears on the right side of the screen (see Figure 9). Hold the mouse over the register locations to see the

address of each register, or, alternatively, select “Display Addresses” below the register table to change from

displaying the register names to displaying the register addresses in the table. The “Read All” button executes a

one-shot read of all the registers in the table, whereas the “Continuous Read” button causes the table to be

continuously updated until Continuous Read is turned off. Typing a new value in one of the boxes in the register

table causes a register write to take place.

Figure 9. Registers/RAM

The RAM table on the right side of Figure 9 behaves similarly with its own “Read All” and “Continuous Read”

buttons; however, in this case, only the visible values in the RAM table are updated when Continuous Read is

turned on. The address and name of each RAM location are always displayed. The RAM locations may be sorted

numerically or sorted by function. When the RAM values are sorted by function, the “Go To” control helps navigate

to RAM locations relating to a particular function without scrolling through the table. Certain RAM locations can be

converted to their decimal equivalent by first clicking on the value and then hovering the mouse over the RAM

table. Typing a new value into the “Value” column of the RAM table causes a RAM write to take place. Use the

“Search String” box to search for a RAM location, and navigate through the matches using the “Next” button.

While Continuous Read is active on the register table, the Interrupts Accumulator is updated. The values read from

the IRQ registers are ORed together until the “Clear” button, shown in Figure 10, is pressed.

Figure 10. Interrupts Accumulator

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6. Gauges

The Gauges tab is shown in Figure 11. These controls are used to view the monitor ADC (MADC) value in decimal

units. To activate the gauges, turn on the “Continuous Update” control and select whether you want to scale the

power to full scale or to the value of the power threshold registers using the “Power Scaling” control.

Figure 11. Gauges

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7. Graph

The graph tab is shown in Figure 12. These controls can be used to plot the value of registers or RAM locations

over time. The Y axis is a linear decimal scale, and autoscaling can be turned on or off by right-clicking on the Y

axis. The X axis can be adjusted by entering different values in the “# samples shown” field. This alters the number

of samples displayed on the plot. Enter the locations you wish to read in the “Graph Read Info” box at the top left.

RAM locations can be multiplied by a scaling factor before they are plotted by entering a value other than 1 in the

LSB field. The graph plots data as long as the “Continuous Update” button is active; however, the “Triggered Stop”

controls can be used to stop the data acquisition when a specified rising or falling edge occurs. Choose which edge

to trigger on using the “Trigger” control and specify the threshold using the “Trigger Value” box. The “Hold Samples”

box specifies how many samples before the event are saved. Click “Enable” to enable the trigger, and turn on

“Continuous Update”, if it is not already active. To aid in the detailed examination of plots, two cursors are available.

The cursor controls are on the top left of the graph.

The mean, standard deviation, variance, or RMS value can be calculated for the first address to be read. Select the

calculation to perform using the "Parameter to calculate:" selector; the result is displayed beneath the selector. The

units displayed on the Y axis can be adjusted using the “Y Scale Format” and “Y Scale Precision” controls. The

time between samples on the graph can also be manipulated using the “Time Between Samples” control. The

maximum sample rate possible is achieved using a zero millisecond time between samples and is limited by the

number of devices on the USB bus and the CPU load of the PC running the software.

Figure 12. Graph

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8. Audio (Voice Motherboard Only)

The audio tab is shown in Figure 13. The functionality of this tab is only valid with the Voice motherboard (USB

interface). The Voice motherboard is capable of transmitting and collecting PCM samples. Before any audio

transfers are attempted, the PCM clocks and format must be set up.

In GCI mode, this panel shows the status of the C/I bits and allows the user to change the downstream C/I bits. The

C/I bit indicator updates when the “Run Acquisition” control is turned on.

Figure 13. Audio

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9. PCM Configuration (Voice Motherboard)

Unlike previous ProSLIC motherboards, the configuration of the PCM bus for the Voice motherboard is

accomplished via software. The ProSLIC GUI allows you to configure the PCM clock rate, PCLK source, and

FSYNC source. In addition, the DSP on the Voice motherboard allows PCM data to be passed between the PC and

the ProSLIC. The PCM timeslots used by the DSP are also configurable.

While the ProSLIC's PCM timeslots can be configured to use any bit count for PCM transfers, the Voice

motherboard's DSP can only be configured on 8- or 16-bit boundaries. For example, if you select a TXSLOT of 1 in

8-bit mode, you would need to set the ProSLIC PCMRX registers to 8 (1x8bits) to receive the data. Almost all

features relating to the PCM capability of the Voice motherboard are located on the Audio tab. Table 1 shows the

main configuration parameters for the Voice motherboard PCM.

Select the PCM format in the “DSP PCM” control on the Audio tab and press “Update DSP” to configure the Voice

motherboard's DSP to receive samples of this type. Pressing “Update SLIC” updates the current ProSLIC channel

with the same PCM settings except that the ProSLIC transmit timeslot is equal to the Voice motherboard's receive

timeslot and vice versa. The Voice motherboard now sends/receives audio to/from the current channel.

The DSP on the Voice motherboard has a 1024 word buffer for sending PCM data to the ProSLIC. This buffer loops

continuously and can be loaded using the controls in the “TX” box on the Audio tab. DC, square, sine, and ramp

waveforms are available. Press “Update” to load the buffer.

The units for the amplitude are specified as either codes or volts in the “Graph Controls” box below the audio plot.

“Codes” refers to the raw values coming from the PCM, which could be 8- or 16-bit, while “Volts” displays a scaled

value less than one. When the “Run Acquisition” button is active, data is pulled from a FIFO in the Voice

motherboard's DSP and plotted on the screen. Data can be plotted in the time domain or the frequency domain,

and the data buffer size for the GUI can be adjusted with the “Buffer Size” control. The “Measurement” control

enables or disables the update of values calculated in the “Graph Measurements” display.

Note: In GCI mode, PCLK and FSYNC are generated by the Voice motherboard, and subframes 0 and 1 are used. The data

displayed in the audio graph will come from whichever channel is selected by the “Channel” control.

10. File Input And Output

Figure 14 shows the file input/output controls. The file format described here is the same as the format used for the

initialization file loaded by the “Initialize” button.

Figure 14. File IO

First, select a file name by either entering it manually into the “File Name” box or by clicking on the yellow folder

button. To output the current register and RAM contents of the current channel, click on the “Read” button so that it

now says “Write” and then press “OK”. If an existing file is chosen, a prompt asks if the program can overwrite the

file. Navigate to the file you selected in the first step; it will look similar to Figure 15.

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Table 1. Voice Motherboard PCM Main Configuration Parameters

Parameter

Options

Location

PCM Clock Frequency

External PCLK/FSYNC

External FSYNC

All supported by ProSLIC Audio Tab → PCLK Freq

Enable/Disable

Menu: Options → External PCM Source

Enable/Disable

Menu: Options → External FSYNC only

DSP Timeslots

8- or 16-bit boundaries

Audio Tab → DSP PCM → TXSLOT/RXSLOT

Figure 15. Example File

When inputing a file, click on the “Write” button to change it back to “Read” and click “OK”. To apply the file to all

channels, the “All Chan” box should be checked. If “All Chan” is enabled, the file is read through once for each

channel. Do not enable broadcast when loading a file. All recently loaded files are selectable using the “Recent

Files” control.

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11. File Format

In the files used to input or output register and RAM values, there are several things to remember.

Lines beginning with the # character are ignored.

Register/RAM addresses are in decimal format while register/RAM values are in hexadecimal format. For

example:

Register 11 = 15

#will write register 11 to 0x15

RAM 600 = 12345678 #will write RAM 600 to 0x12345678

Delays can be inserted with the WAIT command. For example:

WAIT 100

#will wait 100 ms before proceeding

The current channel can be changed using the channel command, but this command should not be used when

the All Chan box is checked since it causes the file to be loaded once for every channel and may lead to

confusing results.

CHANNEL 2

#switch to channel 2

The RESTORE command can be used to go back to whatever channel was selected before any changes to the

current channel were made by CHANNEL commands in the file. For example:

RESTORE

#restore original channel number

User mode can be enabled and disabled using the USER and LOCKUSER commands. For example:

USER

#enable user mode

#disable user mode

LOCKUSER

The patch RAM can be loaded using the PATCH command. For example:

PATCH C:\PATCHFILE.DSP_PROM #Load Patch

Commands from another file can be executed by using the INCLUDE command. For example:

INCLUDE C:\INPUT2.TXT

Calibration can be performed using the CAL command. This will cause the CAL bit to be set, and the software

will not proceed until the CAL bit clears (or the timeout period expires).

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12. RAM Access Type

In the “Options” menu, there is an item called “16 bit RAM Accesses”. When this is enabled, the lower 13 bits of

each 29-bit RAM location are cleared, and RAM accesses are performed using the 16-bit SPI accesses. This

option is not valid for GCI.

13. Tools Menu

The tools menu contains many useful tools for calculating register and RAM values. Clicking on an item in this

menu brings up a popup with the requested tool, which can subsequently be closed by pressing the Escape key or

pushing the “Close” button.

13.1. Tone Generator

The Tone Generator tool is used to calculate coefficients for the tone generators inside the ProSLIC. Select the

desired amplitude, frequency, and cadence, and then press “Load Values” to load the configuration into the

ProSLIC. The calculated register values are displayed.

13.2. PCM Config

The PCM Config tool can be used to configure the PCM registers of many channels at once. Press “Load” to

update the ProSLIC.

13.3. DC Feed

The DC Feed tool is used to calculate the parameters for the ProSLIC dc feed. It shows a plot of the expected dc

feed curve. Warnings appear if the values entered are unachievable; however, if desired, these warnings can be

disabled by checking “Turn off out of range warnings”. To load the calculated outputs to the ProSLIC, click “Load

Values”.

13.4. Load Patch RAM

The patch RAM load tool can be used to download patch code to the ProSLIC. Select a dsp_prom file by clicking

on the yellow folder icon next to the “Patch Code File” box, and then press “Load Patch” to load the patch RAM.

The entry points table should be filled in automatically when you select a valid patch code file. It is best to load a

patch using an input file during initialization.

13.5. Pulse Metering (Si324x)

The pulse metering tool is used to program the pulse metering registers but also contains a timer for ramping up

and down the pulse metering tone. Configure the pulse metering parameters and then click “Load Values” to

program the ProSLIC. To use the timer function, enter values for “Time On” and “Time Off” and then enable the

timer by turning on the “Run Metering” button. The ramp bit is toggled automatically at the programmed rate.

13.6. Toggle Register State

The toggle register state tool behaves similarly to the pulse metering timer function but is more flexible. Select

which address to toggle and enter values for the on state and off state. Finally, enter the values for “Time On” and

“Time Off” so that the chosen address toggles between the two values when the “Run” button is turned on.

13.7. Battery Switching (Si324x)

The battery switching tool aids in programming the registers related to battery switching. Configure the battery

voltage and GPIO setup, and then click the “Load” button to configure the ProSLIC.

13.8. Ringing

The ringing tool calculates ringing register values as well as ring trip parameters. Enter the ringing cadence,

frequency, amplitude, and offset. Then, enter the ring trip parameters, and click “Load” to write these values to the

ProSLIC.

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13.9. FSK

The FSK tool calculates the FSK generation coefficients for caller ID. Enter the frequencies for mark and space as

well as the amplitude and baud rate. Clicking “Load” will cause the settings to be written to the ProSLIC.

13.10. MADC

The MADC tool displays the monitor ADC values in hexadecimal as well as decimal similar to the “Gauges” tab.

The advantage of the MADC tool is that more of the MADC registers are displayed. Optionally, the values can be

averaged by changing “number of samples to average”.

14. Coefficient Generator

The Coefficient Generator (on the menu bar) can be used to generate the impedance coefficients. The user may

input the desired impedance values using a text file. The output is also provided in a text file. The user may also

enter input values on the screen by choosing the “Use Screen Input with the Input Method” control. The values

specified in the RRC boxes on the screen are then used along with the values listed in Table 2 to calculate the

coefficients. The format of the RRC inputs for both the screen input and the file input mode is selected using the

RRC format control.

Table 2. Values Used with Screen Input

Input

cline

Value

10 nF

cac

100 nF

tx_gain

rx_gain

tx_spec

rx_spec

0 dB

See example input file

14.1. Coefficient Generator Input File

Once you have installed the ProSLIC GUI, several example input files for the Coefficient Generator are provided.

They are located in the install directory in the folder "File Examples". The input file templates are also accessible

through a shortcut in the start menu. Choose Start → Programs → Silicon Laboratories, and click “Input_Template”.

®

To use the provided Microsoft Excel file, first make any changes to the input values, and save the file as a .txt file.

The resulting text file may be used as an input to the Coefficient Generator.

The input files created by the user must be of the same format as the provided example input file. There are three

ways to input the 2-Wire and Balance Impedance:

RRC Model

S Domain

Spectrum (magnitude and phase)

The program chooses whichever comes first in the input file. All of these options are demonstrated in the example

®

input file. To select an input file, click on the yellow folder icon to the right of the input file text box. The Windows

file open dialog appears. Alternatively, the full path of the file may be typed into the text box. Selection of the output

file is performed in a similar manner. To view the input or output file selected, push the “View/Edit File” button next

to the appropriate text box. The status indicator at the top left of the screen shows "Ready" until “Calculate

Coefficients” is clicked. It shows "Working…" while the program is running the calculations.

When the calculations are complete, it shows "Ready" again, and the resulting output files are displayed in

®

Windows Notepad. The results are also displayed in the output graphs to the right of the screen. The scale of

these graphs can be changed by selecting the text on the axes and changing the minimum and maximum values.

Click on the tabs at the top to view the various graphs. To reload these graphs from a previously-created output file,

select the file in the output file text box, and click “Reload Output Graphs from Output File”. The input graph on the

bottom left shows the values of the desired TX and RX magnitude spectrums.

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14.2. Coefficient Generator Input File Format

Any lines beginning with the "#" character are treated as comments and are ignored. The lines beginning with "$"

are flags for the program. For example, the 2-wire impedance in the RRC format is as follows:

$z_rrc start flag

#2-wire impedance (RRC model) comment

600.000000 values

0.000000

$ end flag

Table 3 describes the various input values.

Table 3. Input Values

Input File

Flag

Order of Values in File

Range

Description

b_rrc

R (Ω)

C (nF)

3 values

Balance impedance (RRC model)

z_rrc

R (Ω)

C (nF)

3 values

2-wire impedance (RRC model)

b_spec

z_spec

b_s

Frequency (Hz) Magnitude (dB)

Phase (rad)

Any number of points

from 0 to 4 kHz

Balance impedance (spectral)

2-wire impedance (spectral)

Frequency (Hz) Magnitude (dB)

Phase (rad)

Any number of points

from 0 to 4 kHz

The first value, b_s(1), is the coeffi-

20 values

Balanced impedance (s-domain –

10th-order numerator and 10th-

order denominator

9

cient associated with the s term in

the numerator polynomial, b_s(10)

is the constant term. b_s(11–20)

are likewise for the denominator

z_s

The first value, z_s(1), is the coeffi-

cient associated with the s term in

the numerator polynomial, z_s(10)

is the constant term. z_s(11–20) are

likewise for the denominator

20 values

2-wire impedance (s-domain –

10th-order numerator and 10th-

order denominator

9

tx_spec

rx_spec

Frequency (Hz) Magnitude (dB)

(0.2–3.4 kHz) 321 points Desired TX magnitude spectrum

spaced 10 Hz

Frequency (Hz) Magnitude (dB)

(0.2–3.4 kHz) 321 points Desired RX magnitude spectrum

spaced 10 Hz

tx_gain

rx_gain

cline

Magnitude (dB)

C (nF)

1 value

Desired TX gain

Desired RX gain

External line capacitor value

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Table 3. Input Values (Continued)

Input File

Flag

Order of Values in File

Range

Description

cac

C (nF)

1 value

External ac coupling capacitor

value

rprot

R (Ω)

External protection resistor value

14.3. Coefficient Generator Output File

The generated output file contains the resulting return losses, TX spectrum, RX spectrum, and coefficients. The

corresponding inputs are at the end of the file. The program also generates a file that is compatible with the file

input capability of the ProSLIC GUI (see Figure 14). The coefficients are listed first in hexadecimal format. Next in

the file is the 2-wire return loss (labeled "rl") specified by 321 points from 200 to 3400 Hz. The 4-wire return loss

("bal") is listed next in the same format. Then, the resulting RX and TX spectrums are listed. The points are

specified as frequency (Hz), magnitude (dB), and phase (rad).

14.4. Example Coefficient Generator Input File

#Example input file for Si324x Coefficient Generator

#Application picks input format that comes first in file

#out of

# 1: b_rrc and z_rrc

# 2: b_spec and z_spec

# 3: b_s and z_s

#This example uses the RRC model format of input

$b_rrc

#balance impedance (RRC model)

600.000000

0.000000

$

$z_rrc

#2-wire impedance (RRC model)

600.000000

0.000000

$

$cline

#nF

10.00

$

#external line capacitor value

$cac

#nF

100.0

$

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#external AC coupling capacitor value

$rprot

0.000000

$

#external protection resistor value

$tx_spec

#Freq Mag

#desired TX magnitude spectrum (0.2-3.4kHz) 321 points spaced 10Hz

#end points are specified here (the rest are interpolated)

200 0.000000

3400 0.000000

$

$rx_spec

#Freq Mag

#desired RX magnitude spectrum (0.2-3.4kHz) 321 points spaced 10Hz

#end points are specified here (the rest are interpolated)

200 0.000000

3400 0.000000

$

$tx_gain

#tx gain

0.0

$

$rx_gain

#rx gain

0.0

$

14.5. DSL Splitter Applications

Contact Silicon Labs for coefficients to use in DSL applications.

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NOTES:

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CONTACT INFORMATION

Silicon Laboratories Inc.

400 West Cesar Chavez

Austin, TX 78701

Tel: 1+(512) 416-8500

Fax: 1+(512) 416-9669

Toll Free: 1+(877) 444-3032

Email: ProSLICinfo@silabs.com

Internet: www.silabs.com

The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice.

Silicon Laboratories assumes no responsibility for errors and omissions, and disclaims responsibility for any consequences resulting from

the use of information included herein. Additionally, Silicon Laboratories assumes no responsibility for the functioning of undescribed features

or parameters. Silicon Laboratories reserves the right to make changes without further notice. Silicon Laboratories makes no warranty, rep-

resentation or guarantee regarding the suitability of its products for any particular purpose, nor does Silicon Laboratories assume any liability

arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation conse-

quential or incidental damages. Silicon Laboratories products are not designed, intended, or authorized for use in applications intended to

support or sustain life, or for any other application in which the failure of the Silicon Laboratories product could create a situation where per-

sonal injury or death may occur. Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap-

plication, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages.

Silicon Laboratories, Silicon Labs, and ProSLIC are trademarks of Silicon Laboratories Inc.

Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders.

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型号：	AN265
厂家：	SILICON
描述：	2ND-GENERATION PROSLIC㈢ GUI USER’S GUIDE 第二代PROSLIC㈢ GUI用户指南
文件：	总20页 (文件大小：579K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

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