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MSP430FR5994 Time_A中断

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MSP430FR5994  有两个中断使能位,分别是TAxCTL Register的TAIE和TAxCCTLn Register的CCIE ,这两个有什么区别?需不需要手动清理中断标志位?

MSP430FR5994   开发套件的实例程序OutOfBox_MSP430FR5994中:

param.clockSource = TIMER_A_CLOCKSOURCE_ACLK;
param.clockSourceDivider = TIMER_A_CLOCKSOURCE_DIVIDER_1;
param.timerPeriod = 13;
param.timerInterruptEnable_TAIE = TIMER_A_TAIE_INTERRUPT_DISABLE;
param.captureCompareInterruptEnable_CCR0_CCIE = TIMER_A_CCIE_CCR0_INTERRUPT_ENABLE;
param.timerClear = TIMER_A_DO_CLEAR;
param.startTimer = true;

ACLK为8M,定时时间是多少?怎么计算的?


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