Disable IO0 read on boot ?

kuhatovuk
Posts: 21
Joined: Thu Aug 01, 2019 8:46 pm

Disable IO0 read on boot ?

Postby kuhatovuk » Fri Mar 13, 2020 5:47 pm

Hello! I did a stupid and a component is pulling my IO0 low on boot. Is there an efuse command or secure command that would tell ESP32 to ignore IO0 on boot from now on ? I saw something similar for IO12. Thank you!

WiFive
Posts: 3529
Joined: Tue Dec 01, 2015 7:35 am

Re: Disable IO0 read on boot ?

Postby WiFive » Sat Mar 14, 2020 8:45 am

No, but possibly on rev3 chips. There is a new UART_DOWNLOAD_DIS but not sure whether it will ignore IO0 and always boot the application or do something else like halt.

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