About EFrie.3

EFrie.3 · 2022-12-16

MCU is STM32L4R9 with 1MB. I'm having trouble getting the device to erase the upper half of the flash programmatically. Apparently the device ships with opt bytes set for dual bank.I connected the device to the STM32 programmer through USB and turn...

EFrie.3 · 2022-12-16

Actually its looking like Jlink isn't refreshing flash memory display.

EFrie.3 · 2022-12-16

Actually, it appears that the first and last pages of bank 2 aren't writing or erasing.

EFrie.3 · 2022-12-16

Hmm. I'm missing something. Even in dbank = 1 I can't erase upper half pages. In the snippet, I would assume that Page of 0 should erase first sector at 0x8080000, but it doesn't.SET_BIT(FLASH->CR, FLASH_CR_BKER); MODIFY_REG(FLASH->CR, FLASH_CR_...

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L4 Flash erase issue

Re: L4 Flash erase issue

Re: L4 Flash erase issue

Re: L4 Flash erase issue