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General • Re: SPI write from Slave device

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Still having the occasional issue, that I'm trying to work out.

But I was just reading, when you use the Pico as a Master that it has an out of the ordinary behavior, where the Pico will pulse the CS pin from low to high between bytes (rather than have CS asserted the whole time).

If this is the case, as a slave, is it expecting a low/high CS pulse after every byte received from a non-Pico Master? My master hardware presently asserts CS the whole time, and releases it after the transaction (not byte per byte).

Do I need to code my master to pulse the CS after every byte transmitted?

If anyone can confirm, that would be awesome. Thanks!

Statistics: Posted by Lonewolff — Sat Apr 19, 2025 12:00 am



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