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ADAU1772Z power on issue

SigmaDSP & SigmaStudio har Apr 5, 2023 00:00 3 replies Original on forum ↗
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har Question
Apr 5, 2023 00:00

Bought ADAU1772Z board. I connected via EVAL-ADUSB2Z with the USB connector. But the target board (ADAU1772Z) doesn't power up. There are jumpers connected in J17, J10,J8,J12. The J3 jumper is connected to USB/EXT

Edit Notes
Edited typo in the part number on the title of the post

[edited by: DaveThib at 3:26 PM (GMT -4) on 6 Apr 2023]

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DaveThib Reply
Apr 6, 2023 00:00

Hello har,

Can you take a good picture of your board and the setup?

Then also attach your SigmaStudio project?

Thanks,

Dave T

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har Reply
Apr 26, 2023 00:00

I resolved. it is a issue with EVAL-ADUSB2Z. I bought the new one it worked. By the way in the PDM output I always see the signal even though we dont send any data over Analog 2&3. how to turnoff those signals?

How do we purchase more boards? it pops out an error saying it is not available US west region?

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har Reply
Apr 27, 2023 00:00

I think CLKOUT clock is sampled and outputted on PDMOUT pin which is wired. That is why there is signal even though didnt send any signal on analog mics.

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