I'm thinking about using two devices and I don't understand how to control SYNC signal.
So would you show me the timing chart by using SYNC signal?
I am looking into this. I'll get back to you soon.
Did you find any documentations?
And I would like to ask an additional question.
Does this device need power sequence?
Apologies for the delay. There might be some changes on the datasheet. I'll need to confirm some details. I'll get back to you.
There will be some changes on the datasheet. Below is the recommended /SYNC timing diagram for the AD7763.
The AD7763 goes to /SYNC when the MCLK falling edge senses the /SYNC pin low. This resets the digital filter sequencer to 0. The /SYNC pin must be take low for a minimum of 4 MCLK cycles. When the MCLK falling edges sense the /SYNC has returned to logic high, the AD7763 begins to gather samples simultaneously. Please also take note that /SYNC rising and falling edge stay clear of the MCLK falling edge (as it is sampled on this edge).
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