/* Enable 32 Bit Programming Mode. 
This mode is a low power mode. It must be used at low frequencies and does not allow prefetch or wait states to be used.  */
void flash_64bit_disable(void)
/* Enable 32 Bit Programming Mode. 
This mode is a low power mode. It must be used at low frequencies and does not allow prefetch or wait states to be used.  */
void flash_64bit_disable(void)
{
	FLASH_ACR &= ~FLASH_ACR_ACC64;
}