/* Get the MCG PLL/PLL0 reference clock frequency. 
Get the current MCG PLL/PLL0 reference clock frequency in Hz. This is an internal function. */
static uint32_t CLOCK_GetPll0RefFreq(void)
/* Get the MCG PLL/PLL0 reference clock frequency. 
Get the current MCG PLL/PLL0 reference clock frequency in Hz. This is an internal function. */
static uint32_t CLOCK_GetPll0RefFreq(void)
{
    return CLOCK_GetMcgExtClkFreq();
}