Beaglebone Black PCM bus

I need the beaglebone black to produce a PCM bus
PCLK 2.048 MHz
Framsync 8KHz
DI
DO

Can someone share with me how to do this?

This just came up.. you should work with them...

https://groups.google.com/d/msg/beagleboard/cHftsdJWI_g/4heZPicA55YJ

Regards,