STM32F429i-Disco GPIO reset state

marabini · ‎2016-10-04

Posted on October 04, 2016 at 11:17

Hello,

I've a problem with the reset pushbutton state in the STM32F429i-DISCO: when I push the button I see that some pins are not in the three-state but are pulled down even if there are no other logic that make this work (pin PG5).

Another problem is that when I release the reset pushbutton, I see that the pins are pulled down until the FW takes the control. They are not in three-state status.

Thanks.

Tesla DeLorean · ‎2016-10-04

Posted on October 04, 2016 at 18:13

PG5 connects to the SDRAM, what is that specified to do? The SDRAM also doesn't have an asynchronous reset connection.

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