am working on virtex6 tigersharc board, it is having 3 fpgas and 3 dsp's, and low speed, high speed dac and adc's,
1. what is the use of override pins in high speed adc ad9643 .
2.why differential pins of frame and dacclk,dci,and refclk pins of ad9122.
is it data clock input is for latching data input into dac ?
for what dacclk, reference and frame pins ?