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ADS8528: Parallel Read Access

Part Number: ADS8528
Other Parts Discussed in Thread: ADS8568

Tool/software:

Hi.

We are planning to use parallel read.

If the RD signal is output earlier than the CS signal, Does ADS8528 out data?

Best regards.

  • Hi there 5093781!

    In most situations, the /RD signal associated with the parallel data bus is what strobes the actual conversion results into the host processor.  If /CS is high, the ADS8568 outputs will be in tri-state so any strobing of /RD will not provide the proper conversion results to the controller.  You have to set /CS low first before strobing the /RD pin.