Optical S/Pdif-Out; Hda Adapter/Debug Header; Table 36 X38 Pinout Description - Congatec COM Express conga-MEVAL Manual

5.10.2

Optical S/PDIF-Out

The conga-MEVAL provides S/PDIF-OUT signal on connector X39.
Connector Type
X39: TOSLINK Optical cable
5.10.3

HDA Adapter/Debug Header

The HDA adapter X38 makes it possible to connect other HDA solutions to the conga-MEVAL.
Table 36 X38 Pinout Description
Pin Signal Description
1 +12V 12 V DC power supply with 500 mA fuse
3 HDA_SYNC 48 kHz fixed-rate, sample-synchronization
signal to the codec(s)
5 HDA_SDIN2 Serial TDM data input to COM Express module 6
7 HDA_SDOUT Serial TDM data output from COM Express
module
9 GND Power ground
Note
For HD audio support, the COM Express module must support HDA_SIN2 signal. On request, connector X38 can support HDA_SDIN0 or
HDA_SDIN1 (assembly option).
Connector Type
X38: 2x 5-pin, 2.54 mm grid female
Copyright © 2022 congatec GmbH
Pin Signal Description
2 +3.3V 3.3 V DC power suppy with 750 mA fuse
4 HDA_RST# Reset output from COM Express module, active low
HDA_BITCLK Up to 24 MHz serial clock generated by HDA controller
8 N.C Not connected
10 GND Power ground
CET0m10
X39
X38
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