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Best answer by Tesla DeLorean

https://www.st.com/resource/en/datasheet/stm32f030f4.pdf#page=27

STM32F030F4P6TR

https://community.st.com/t5/stm32-mcus-products/external-oscillator-for-stm32c011f6/td-p/761676

I think the STM32C011F6 has both oscillators and pins bonded together ie HSE or HSI

2 replies

Tesla DeLorean
Tesla DeLoreanBest answer
Guru
January 16, 2025
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Simon.T
ST Employee
January 17, 2025

Hello @MarkJordan ,

 

All the STM32C0 devices have the capability to use a crystal oscillator on 20-pin package (TSSOP or UFQFPN20) through the OSCX_IN, OSCC_OUT on PC14 and PC15 pins.

 

Best regards,

 

Simon