MSP430FR6972: 时钟源选择内部的dco，mclk为什么不能设置为24mhz

#include "driverlib.h"

uint32_t clockValue;

void main(void)
{//Stop WDTWDT_A_hold(WDT_A_BASE);//Set DCO frequency to 16MHzCS_setDCOFreq(CS_DCORSEL_1, CS_DCOFSEL_6);CS_initClockSignal(CS_SMCLK,CS_DCOCLK_SELECT,CS_CLOCK_DIVIDER_1);CS_initClockSignal(CS_MCLK,CS_DCOCLK_SELECT,CS_CLOCK_DIVIDER_1);//Set wait state to 1FRAMCtl_configureWaitStateControl(FRAMCTL_ACCESS_TIME_CYCLES_1);//Set P2.0 as Output Low (for setup as ACLK)./** Select Port 2* Set Pin 0 to output Low.*/GPIO_setOutputLowOnPin(	GPIO_PORT_P3,	GPIO_PIN4);//Set P2.0 as Ternary Module Function Output./** Select Port 2* Set Pin 0 to output Ternary Module Function, (ACLK).*/GPIO_setAsPeripheralModuleFunctionOutputPin(	GPIO_PORT_P3,	GPIO_PIN4,	GPIO_TERNARY_MODULE_FUNCTION);/** Disable the GPIO power-on default high-impedance mode to activate* previously configured port settings*/PMM_unlockLPM5();while(1);

}

Susan Yang：

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user5779306：

首先感谢您的回答，然后我还想问下那怎么才能让mclk跑到24Mhz，用外部晶振吗

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Susan Yang：

这个没法跑，最大只能是16Mhz