Quote:
Originally Posted by René Hatt  So, is it possible to have more than 2 channels of the PCM4222EVM simultanously?
Is it possible to send the clock from one unit to another, daisychaining the WC (if possible without using an external PLL)? What problems do arise, and how to overcome them? Or, at least, is it possible to use only one PLL for all 8 channels? |
Yes, and any PLL isn't necessary, you have only to pick the quartz clock output of one board and connect it into all the other boards inputs.
Pin 3 of the 2 quartz blocks (or maybe better pin 4 of U20) of PCM4222EVM connected to the Ext clock of all the other boards, the other boards setted on the external clock and all the other clock switch (SW6, SW3 etc) on the same settings.
The main problem is that you have only AES/EBU output available, so you have 4 AES/EBU (for 8 channel) and you must use a receiver board / DAW capable to accept 4 AES/EBU instead an Adat or a TDIF 8-channel stream.