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AN204 Datasheet(PDF) 1 Page - Silicon Laboratories |
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AN204 Datasheet(HTML) 1 Page - Silicon Laboratories |
1 / 12 page Rev. 1.5 8/04 Copyright © 2004 by Silicon Laboratories AN204 AN204 P RO SLIC W INDOWS GUI S OFTWARE U SER ’S G UI DE 1. Introduction The ProSLIC Windows (graphical user interface) GUI software uses the parallel port of a PC to communicate with the ProSLIC’s SPI port. This document applies to Rev 1.85 of the software. The program runs on Windows® 98/NT/2000. Invoking the ProSLIC Windows GUI software causes the device initialization sequence to take place. During device initialization, all the direct registers are read and put into the direct register table. Default values are written to the indirect registers and are read back into the indirect table. The device number, revision number and clock frequency are shown on the top left of the screen. (See Figure 1.) 1.1. Part Number Window Figure 1. Top Left Corner The Reset button pulls the ProSLIC reset pin to low causing a hardware reset. The Reinitialize button repeats the device initialize sequence. The Reg Set button carries out the register writes shown in Table 1. When the Continuous Read All button is in the “on” position, the direct register table is continuously updated. The registers are updated until the Continuous Read All button is changed to the “off” position. When the Read All Indirect button is pressed, the values in the indirect register table are updated instantaneously. Continuous read is not available for the indirect registers. Table 1. Register Writes Direct Register Value (Hex) Function 92 7F Set dc-dc converter 93 12 Set dc-dc converter 14 0 Turn on dc-dc converter 97 1E Calibration 96 5F Calibration 8 0 Turn off loopback 10 28 Impedance compensation 1 28 Enable PCM bus 34 18 Enable Ringing Cadence 48 80 Ring Cadence Timer 49 3E Ring Cadence Timer 51 7D Ringing Cadence Timer 69 0C Loop Closure Debounce 71 1 Set current limit to 23 mA 108 EB Enhancement Enable 97 1 Common Mode Calibration 96 40 Common Mode Calibration 19 FF Clear and enable interrupts 22 FF Clear and enable interrupts |
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