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ESP32 RTC with external crystal

Posted: Fri Jan 07, 2022 9:24 pm
by ebelouet
HI,

I search a rtc example using external cristal setup ?

Thank
Eric

Re: ESP32 RTC with external crystal

Posted: Mon Jan 10, 2022 4:27 pm
by stephanelsmith
Also looking at this. On S3, you have the XTAL_32k_P and XTAL_32k_N pins. I would imagine you need to set
ESP32_RTC_CLK_SRC_EXT_OSC=y
in the board/sdkconfig file.

CONFIG_ESP32_RTC_CLK_SRC docs:
https://docs.espressif.com/projects/esp ... tc-clk-src

Re: ESP32 RTC with external crystal

Posted: Mon Jan 10, 2022 9:33 pm
by ebelouet
HI,

Thank but do you have a example for micropython for this ?

Eric