ESP32 - GPIO39 Glitch with BLE Modem Sleep

tiradedepirate
Posts: 12
Joined: Tue Jan 15, 2019 5:12 am

ESP32 - GPIO39 Glitch with BLE Modem Sleep

Postby tiradedepirate » Thu Jan 21, 2021 4:50 am

Hello Everyone,

I saw in the chinese forum someone report the same issue. There is an issue where the ESP32 will pull-down GPIO39 when modem sleep is enabled. This is not directly noted in the Errata. I suggest the team update the errata to show this.

I'm also wondering if there is anyways to prevent this triggering an interrupt? Is there anyway I can be given a handle/hook to disable / re-enable interrupts during this mystery pull-down event? I'm looking for a solution to prevent a board spin.

tiradedepirate
Posts: 12
Joined: Tue Jan 15, 2019 5:12 am

Re: ESP32 - GPIO39 Glitch with BLE Modem Sleep

Postby tiradedepirate » Sun Jan 24, 2021 6:05 pm

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