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Created by Angus Ainslie@angus.ainslieOwner

Redpine module stays in reset when nSDIO_RST high

Pin 23 of the M.2 connector is SDIO_RST# according to the M.2 spec. The spec specifies SDIO_RST# as a 1.8V input. However, from testing, the Redpine module only comes out of reset if this pin is above 2.3V.

Here is an excerpt from the specification:

image

Edited by Angus Ainslie