/* Disable the High Speed APB (APB2) peripheral clock.  */
void RCM_DisableAPB2PeriphClock(uint32_t APB2Periph)
/* Disable the High Speed APB (APB2) peripheral clock.  */
void RCM_DisableAPB2PeriphClock(uint32_t APB2Periph)
{
    RCM->APB2CLKEN &= (uint32_t)~APB2Periph;
}