96 …uint32_t MCGOUTClock;                /* Variable to store output clock frequency of the MCG module…  in SystemCoreClockUpdate()  local
108           MCGOUTClock = CPU_XTAL_CLK_HZ; /* System oscillator drives MCG clock */  in SystemCoreClockUpdate()
111           MCGOUTClock = CPU_XTAL32k_CLK_HZ; /* RTC 32 kHz oscillator drives MCG clock */  in SystemCoreClockUpdate()
115           MCGOUTClock = CPU_INT_IRC_CLK_HZ; /* IRC 48MHz oscillator drives MCG clock */  in SystemCoreClockUpdate()
134         MCGOUTClock = (MCGOUTClock / Divider); /* Calculate the divided FLL reference clock */  in SystemCoreClockUpdate()
136         MCGOUTClock = CPU_INT_SLOW_CLK_HZ; /* The slow internal reference clock is selected */  in SystemCoreClockUpdate()
141           MCGOUTClock *= 640U;  in SystemCoreClockUpdate()
144           MCGOUTClock *= 1280U;  in SystemCoreClockUpdate()
147           MCGOUTClock *= 1920U;  in SystemCoreClockUpdate()
150           MCGOUTClock *= 2560U;  in SystemCoreClockUpdate()
153           MCGOUTClock *= 732U;  in SystemCoreClockUpdate()
156           MCGOUTClock *= 1464U;  in SystemCoreClockUpdate()
159           MCGOUTClock *= 2197U;  in SystemCoreClockUpdate()
162           MCGOUTClock *= 2929U;  in SystemCoreClockUpdate()
165           MCGOUTClock *= 640U;  in SystemCoreClockUpdate()
171       MCGOUTClock = (uint32_t)(CPU_XTAL_CLK_HZ / Divider); /* Calculate the PLL reference clock */  in SystemCoreClockUpdate()
173       MCGOUTClock *= Divider;          /* Calculate the VCO output clock */  in SystemCoreClockUpdate()
174       MCGOUTClock /= 2U;               /* Calculate the MCG output clock */  in SystemCoreClockUpdate()
179       MCGOUTClock = CPU_INT_SLOW_CLK_HZ; /* Slow internal reference clock selected */  in SystemCoreClockUpdate()
182 …MCGOUTClock = (uint32_t) (CPU_INT_FAST_CLK_HZ / Divider); /* Fast internal reference clock selecte…  in SystemCoreClockUpdate()
188       MCGOUTClock = CPU_XTAL_CLK_HZ;   /* System oscillator drives MCG clock */  in SystemCoreClockUpdate()
191       MCGOUTClock = CPU_XTAL32k_CLK_HZ; /* RTC 32 kHz oscillator drives MCG clock */  in SystemCoreClockUpdate()
195       MCGOUTClock = CPU_INT_IRC_CLK_HZ; /* IRC 48MHz oscillator drives MCG clock */  in SystemCoreClockUpdate()
202 …SystemCoreClock = (MCGOUTClock / (0x01U + ((SIM->CLKDIV1 & SIM_CLKDIV1_OUTDIV1_MASK) >> SIM_CLKDIV…  in SystemCoreClockUpdate()