2025-11-20 2:33 AM - edited 2025-11-20 2:42 AM
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 ?