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问 RESET mov.w #300h,SP ; Initialize stackpointer
StopWDT mov.w #WDTPW+WDTHOLD,&WDTCTL ; Stop WDT
SetupTA mov.w #TASSEL1+TACLR,&TACTL ; SMCLK, clear TAR
SetupC0 mov.w #CCIE,&CCTL0 ; CCR0 interrupt enabled
mov.w #20000,&CCR0 ;
SetupP1 bis.b #001h,&P1DIR ; P1.0 output
bis.w #MC0,&TACTL ; Start Timer_a in upmode
eint ; Enable interrupts
;
Mainloop bis.w #CPUOFF,SR ; CPU off
nop

该程序运行到何处是TIMER_A 开始计时？ 答 1: 我认为应该是bis.w #MC0,&TACTL ; Start Timer_a in upmode
后面,可以试试 答 2: 就是这句话。 答 3: 谢谢！