Ab Connector Signal Descriptions; Audio - ADLINK Technology COM Express cExpress-TL User Manual

cExpress-TL User's Guide

4.3. AB Connector Signal Descriptions

4.3.1

Audio

Name Pin #
AC_RST# / A30
HDA_RST#
AC_SYNC / A29
HDA_SYNC
AC_BITCLK / A32
HDA_BITCLK
AC_SDOUT / A33
HDA_SDOUT
AC_SDIN[2:0] / B28- B30
HDA_SDIN[2:0]
Page 25
Description
Reset output to CODEC, active low.
Sample-synchronization signal to the CODEC(s).
Serial data clock generated by the external CODEC(s).
Serial TDM data output to the CODEC.
Serial TDM data inputs from up to 3 CODECs.
Copyright © 2021 ADLINK Technology, Inc.
I/O PU / PD Comment
O
3.3VSB
O
3.3VSB
I/O
3.3VSB
O
3.3VSB
I/O B28 Not supported
3.3VSB Tiger Lake UP3 doesn't offer this pin
PICMG COM.0 R3.0