Copyright
©
2015
congatec
AG
PA3Cm01
20/44
5.3
Audio Interface
The conga-PA3 has a high definition audio codec (Realtek ALC888S-VD2) mounted on it. The audio codec's S/PDIF output, analog line (left
and right) and microphone input channels (left and right) are routed to connector X5. This connector 5V power supply pins for external
speaker amplifier and optical S/PDIF transmitter.
The audio fuse limits the power budget of this pin by 750mA hold current (maximum wattage recommended is 3W).
Audio Interface (Connector X5) Pinout Description
Pin Signal
Description
1
MIC_L
Analog Microphone Input - Left Channel
2
GND_HDA
Audio Ground
3
MIC_R
Analog Microphone Input - Right Channel
4
+5V AMP
+5V Power Supply (for external speaker amplifier)
5
MIC_JD
Microphone Jack Detection
6
LINE_R
Analog Line Out - Right Channel
7
GND_HDA
Audio Ground
8
LINE_L
Analog Line Out - Left Channel
9
LINE_JD
Line Out Jack Detection
10
+5V
+5V Power Supply (for S/PDIF optical transmitter)
11
GND
Digital Ground for S/PDIF
12
S/PDIF
S/PDIF Output (3.3V)
Note
The audio codec is only available on commercial variants. The drivers for the codec can be found on the congatec website at www.congatec.com.
Connector Type
X5: 2x6 Pos, 2.0 mm Header
Mating Connector: Possible mating connector for X5 is Molex 51110-1250.
Line, Mic and SPDIF - Connector X5
Pin 12
Pin 1
Pin 2
