Copyright
©
2016
congatec
AG
IA40m12.indd
30/97
5.3.2.3
Front Panel HD Audio
The front panel HD audio (LINE2 and MIC2) signals of the Realtek ALC888S HDA audio codec are routed to connector X16. The pinout
description of the connector is shown below:
Table 20 Front Panel HD Audio (Connector X16) Pinout Description
Pin
Signal
Description
1
MIC2_L
2nd Analog stereo microphone input - left channel
2
GND
Ground
3
MIC2_R
2nd Analog stereo microphone input - right channel
4
PRESENCE#
Active low signal that indicates that an Intel HD Audio dongle is
connected to the analog header.
5
LINE2_R
2nd Analog line input - right channel (headphone)
6
MIC2_JD
Microphone input jack detect
7
SENSE_B
Jack detection pin 2
8
KEY
No pin
9
LINE2_L
2nd Analog line input - left channel (headphone)
10
LINE2_JD
Line input jack detect
Connector Type
X16: 2.54mm, 2x5 pin header
5.4
Communication Bus
The conga-IA4 supports both SMBus and I2C compliant devices.
5.4.1
SMBus
The SMBus signals are available in different locations on the conga-IA4, including the feature connector (X34) described in section 6.13 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-IA4, including the feature
connector (X34) described in section 6.13 of this document.
Front Panel Audio - Connector X16
No Pin
Pin 1
Pin 10
