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Support QSPI #2

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polpo opened this issue Jan 2, 2023 · 1 comment
Open

Support QSPI #2

polpo opened this issue Jan 2, 2023 · 1 comment

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@polpo
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polpo commented Jan 2, 2023

The PSRAM modules support QSPI mode. I have some PIO code to support quad writes and reads, but I haven't completed the C interface around it because PicoGUS's small writes and reads do not benefit from the burst speeds possible in quad mode.
@Hemistic
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Hi, how is the progress regarding QSPI? I think it is very necessary to introduce the fastest possible external RAM into the PICO, the work you have done has helped me a lot, thank you.

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@polpo @Hemistic