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GPIO47/48 voltage #18

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higaski opened this issue May 8, 2024 · 2 comments
Open

GPIO47/48 voltage #18

higaski opened this issue May 8, 2024 · 2 comments

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@higaski
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higaski commented May 8, 2024

I've a suggestion regarding GPIO47/48. On some S3 boards (e.g. the wroom-2) those pins only have 1.8V working voltage. This is mentioned on page 12 in the Wroom-2 datasheet.

Thank you for this repository, great overview of the S3 pinout!
@robb-brown
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My thanks as well!

I just came to add this as I happened to come across that datasheet note. Apparently those pins are probably not 3.3V tolerant, so this is a pretty big item on affected versions.

@cgreening
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I'll take a look - sounds like it could cause some horrible problems!

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@cgreening @robb-brown @higaski