STM32G071KBT6 external crystal connection

SS_135 · ‎2021-03-01

Hi Tema,

Using the STM32G071KBT6 32 pin LQFP , hereby having an issue on connecting external xtal . In Nucleo board, i have 64 pin and in data sheet is clearly says that, 48 and 64 pin having dedicated pins for external crystal.

Kindly help to know how to connect the external xtal to STM32G071KBT6 MCU

Regards

Sudeendra

Peter BENSCH · ‎2021-03-01

Hi, Sudeedra,

the STM32G071KBT6 is providing two pins for either HSE or LSE. Per default it is set to LSE, but you can easily switch it to HSE using STM32CubeMX:

RCC: Enable BYPASS Clock Source
RCC: Enable OSC enable

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Good luck!

/Peter

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