/* Enables or disables the PLL. The PLL can not be disabled if it is used as system clock.  */
void RCC_PLLCmd(FunctionalState NewState)
/* Enables or disables the PLL. The PLL can not be disabled if it is used as system clock.  */
void RCC_PLLCmd(FunctionalState NewState)
{
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  if (NewState != DISABLE)
  {
    RCC->CR |= 0x01000000;
  }
  else
  {
    RCC->CR &= 0xfeffffff;
  }
}