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Enabling the HW RAM Parity check on STM32F051R8

Question asked by roth.matthieu on Dec 4, 2012
Hi all,

for our safety critical application we would like to enable the HW RAM Parity check on a STM32F051R8 uC.

For the SIL certification, the flash content (inclusive the option bytes) may not change after flashing i.e. it is not possible to enable the RAM parity checking by calling the FLASH_OB_SRAMParityConfig() function because it modifies the flash content.

Is it possible to enable this function at compilation time by using a #pragma, by modifying the linker script by defining a symbol at a specific address or by modifying the flash script?

Many thanks for your help.

Best regards.