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SPDIF, Audio, and USB pin header connections

Disclaimer

The audio jack sockets, and SPDIF socket, have been tested and work!
Regardless of this, the information presented here is by no means guaranteed - modify your hardware at your own risk!

SPDIF

The SPDIF socket that we will be connecting to looks like your home aerial socket. The connections for this socket, the board's socket, and how the two are linked is listed below:

Name Board pin Socket pin
+5V 1  
SPDIF 2 Centre pin
Ground 3 Outside pin


If I'm not mistaken, the +5V pin from the EPIA board is only for optical connections and so isn't needed in our case.

Audio

A stereo audio jack plug has three sections and from the plug tip these connections are named: tip, ring, sleeve. Here are the connections required to link the board with the audio sockets:

Name Board pin Socket pin
Line-in Ground 1 Sleeve
Line-in Left 5 Tip
Line-in Right 3 Ring
Line-out Ground 10 Sleeve
Line-out Left 9 Tip
Line-out Right 8 Ring
Microphone Ground 6 Sleeve
Microphone Input 4 Tip
Microphone Power 2 Ring


USB

There is the potential to connect up to six USB 2.0 devices to the board, where each connector block on the board is used to connect two USB sockets. Each connection block is wired as follows:

Name Board pin Socket 1 pin Socket 2 pin
+5V 1 1  
+Data 5 3  
-Data 3 2  
Ground 7 4  
+5V 2   1
+Data 6   3
-Data 4   2
Ground 8   4


The pin numbers used above for the USB socket assume a numbering from left to right when looking into the socket.