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EVAL-AD7606 no-OS: Parallel Interface Support Status and "getting samples error" on ZC702

Thread Summary

The user encountered a 'getting samples error' when using the parallel interface of the AD7606 on ZC702, despite successful initialization. The final answer confirms that the no-OS driver now supports parallel mode and provides HDL and no-OS fixes tested on ZedBoard. The user should update their local branches with the provided commits and verify the DDR buffer address for ZC702.
AI Generated Content
Category: Hardware
Product Number: EVAL-AD7606

Hi,

I tested the EVAL-AD7606CFMCZ and then ported the design to ZC702.

For the serial interface, the no-OS driver works correctly and I can read valid data.

For the parallel interface, the initialization completes successfully, but when trying to acquire samples I get a "getting samples error".

I found this related discussion (from about 3 years ago), which suggests that the AD7606 no-OS driver only supports serial mode:Cannot initialize EVAL-AD7606B-FMCZ (no-OS project) - Q&A - FPGA Reference Designs - EngineerZone. I also noticed the following comment in the source code:

/* Driver currently supports only serial interface, therefore, ... */

So I would like to confirm:

  1. Is the parallel interface still not supported in the current no-OS driver, or has this been updated/fixed in newer versions?
  2. If parallel mode is now supported, are there any additional configurations or required changes (especially for porting to another device like ZC702)?

Any clarification would be appreciated.

Thanks.

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