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Supported Targets: Olimexino, E407, P405
The STM32 controller does not have dedicated EEPROM on-chip. All EEPROM write, read and erase operations are therefore performed in a RAM buffer. To make sure RAM buffer contents are still valid after a power-off, its contents needs to be save in flash EEPROM, which is achieved with this block. This is typically called during the software shutdown sequence, right before power off.
Trigger input: When this signal changes from 0 to 1 the block is executed and the EEPROM is saved.