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AD7606-4 Conversion Data Order

I understand that when using the DOUTA pin only in Serial Mode, data from the AD7606-4 is transmitted in the order V1, V2, V3, V4. I am a bit unclear about a couple of scenarios:

  1. Let's say I read the conversion results for V1. After that, I pulse CONVA and CONVB, wait for the falling edge of BUSY, then read the next conversion value. Does the order start over from V1, or does it continue from V2?
  2. Similarly, say I read V1 at the end of the conversion (C#1), then initiate another conversion (C#2). I continue to read V2 (read during convert) but conversion C#2 completes before I have read V3 or V4. Assuming I observe all the timing around the falling edge of BUSY after C#2, what data would I get if I perform a read after conversion C#2 completes? 
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