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ADC trigger/clock settings



Hi,

I'm working with a TMS570LS31HDK. for and ADC aplication.

My acquisition need to be syncronized with two external digital signal to aquire and array of data: one signal gives the "frame start" and the other giver the "ADC clock". My source emits 256 data in sync with the "ADC clock" starting when receives the "frame start" so the frequency of "frame start" is 1/256 of the "ADC clock".

How can I setup the ADC to acquire a block of 256 sample (in sync with my external clock) triggered by the "frame start" signal?

Can I do this using trigger/clock setup?

Thank you,

Matteo