- stm_flash.acr |= (1 << STM_FLASH_ACR_ACC64);
- stm_flash.acr |= (1 << STM_FLASH_ACR_PRFEN);
-
- /* Enable 1 wait state so the CPU can run at 32MHz */
- stm_flash.acr |= (1 << STM_FLASH_ACR_LATENCY);
-#endif
+ stm_flash.acr = ((1 << STM_FLASH_ACR_PRFTBE) |
+ (0 << STM_FLASH_ACR_HLFCYA) |
+ (STM_FLASH_ACR_LATENCY_2 << STM_FLASH_ACR_LATENCY));