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5.3.2.3
Front Panel HD Audio
The front panel HD audio (LINE2 and MIC2) signals of the Cirrus Logic CS4207 HDA audio codec are routed to connector X18. The pinout
description of the connector is shown below:
Table 22
Front Panel HD Audio (Connector X18) Pinout Description
Pin
Signal
1
MIC2_L
2
GND
3
MIC2_R
4
PRESENCE#
5
LINE2_R
6
MIC2_JD
7
SENSE_B
8
KEY
9
LINE2_L
10
LINE2_JD
Connector Type
X18: 2.54mm, 2x5 pin header
5.4
Communication Bus
The conga-IA5 supports both SMBus and I2C compliant devices.
5.4.1
SMBus
The SMBus signals are available in different locations on the conga-IA5, including the feature connector (X35) described in section 6.11 of this
document.
5.4.2
I²C Bus
The congatec Board controller provides I²C signals. These signals are available in different locations on the conga-IA5, including the feature
connector (X35) described in section 6.11 of this document.
Copyright © 2017 congatec AG
Description
2nd Analog stereo microphone input — left channel
Ground
2nd Analog stereo microphone input — right channel
Active low signal that indicates that an Intel HD Audio dongle is
connected to the analog header.
2nd Analog line input — right channel (headphone)
Microphone input jack detect
Jack detection pin 2
No pin
2nd Analog line input — left channel (headphone)
Line input jack detect
Front Panel Audio - Connector X18
Pin 1
IA50m01
No Pin
Pin 10
30/59
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