Datasheet

Evaluation Board User Guide UG-040
Rev. 0 | Page 21 of 32
CPLD CODE
MODULE IF_Logic
TITLE 'AD1939 EVB Input Interface Logic'
//===================================================================================
// FILE: AD1939_pld_revE.abl
// REVISION DATE: 04-16-09 (rev-E)
// REVISION: E
// DESCRIPTION:
//===================================================================================
LIBRARY 'MACH';
"INPUTS ----------------------------------------------------------------------------
// AD1939 CODEC pins
DSDATA1,DSDATA2 pin 86, 87 istype 'com';
DSDATA3,DSDATA4 pin 91, 92 istype 'com';
DBCLK,DLRCLK pin 85, 84 istype 'com';
ASDATA1,ASDATA2 pin 80, 81 istype 'com';
ABCLK,ALRCLK pin 78, 79 istype 'com';
// 25-pin header connector HDR1 pins
HDR1_DSDATA1 pin 20 istype 'com';
HDR1_DSDATA2 pin 19 istype 'com';
HDR1_DSDATA3 pin 17 istype 'com';
HDR1_DSDATA4 pin 16 istype 'com';
HDR1_DBCLK pin 21 istype 'com';
HDR1_DLRCLK pin 22 istype 'com';
HDR1_ASDATA1 pin 29 istype 'com, buffer';
HDR1_ASDATA2 pin 28 istype 'com, buffer';
HDR1_ABCLK pin 30 istype 'com';
HDR1_ALRCLK pin 31 istype 'com';
// 25-pin header connector HDR2 pins
HDR2_DSDATA1 pin 37 istype 'com';
HDR2_DSDATA2 pin 36 istype 'com';
HDR2_DSDATA3 pin 35 istype 'com';
HDR2_DSDATA4 pin 34 istype 'com';
HDR2_DBCLK pin 41 istype 'com';
HDR2_DLRCLK pin 42 istype 'com';
HDR2_ASDATA1 pin 44 istype 'com';
HDR2_ASDATA2 pin 43 istype 'com, buffer';
HDR2_ABCLK pin 47 istype 'com';
HDR2_ALRCLK pin 48 istype 'com';
// S/PDIF Rx CS8414 pins
SDATA_8416 pin 61 istype 'com';