Olimex A13-SOM-512 system on chip module + A13-SOM-WIFI Pinout

[thrinasco]

I had the following module

https://www.olimex.com/Products/SOM/A13/A13-SOM-512/

Along with it i connected wifi module A13-SOM-WIFI.

Now i want to connect camera ,Mic and speakers.Iam unable to find out the pinout's of MIC and Speaker output .Please help me out in finding those connecting pins.I even gone through all the data sheet but i didn't get them.

Please let me know where to connect usb camera,mic and speaker.I even tried connecting through the mini usb given for wifi but i didn't detect any usb by typing lsusb.