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HSE clock setup issue on STM32H753-EVAL board

Gpeti
Senior II

I'm trying to port a proprietary code that is designed for another STM32H753 plateform, to a STM32H753-EVAL board.

My code remains stuck waiting for HSERDY bit.

The setup I am doing looks identical to STM32CubeHW example but I guess I forgot something:

 

- set LDOEN in PWR_CR3 register and wait for ACTVOSRDY

- set voltage scaling to VOS1 (bits 14 and 15 in PWR_D3CR register) and wait for VOSRDY

- set bit HSEON and wait for HSERDY -> bit is never set

 

I setup the eval board JP10 to be powered up through the jack (external power supply)

 

If I power the board through STLink, I have no issue.

 

Am I missing anything ?

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