ESP32 oscillator input

chunghsienlee
Posts: 1
Joined: Tue Feb 12, 2019 3:43 am

ESP32 oscillator input

Postby chunghsienlee » Tue Feb 12, 2019 3:52 am

Hi guys,
I am going to design a board using ESP32.

The problem is the design must use OSC signal instead of crystal.
Can I input clock to ESP32 pin45 to replace the crystal at what logic level, 3.3V or 1.8V ?


Regards,
Johnson

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