#include
void main()
{
WDTCTL=WDTPW+WDTHOLD;
P1DIR|=BIT2;//为什么必须是P1.2??
P1SEL|=BIT2;
CCR0=65535;
CCTL1=OUTMOD_7;//用CCR1 CCR2的差值控制占空比
CCR1=60000;
CCTL2=OUTMOD_7;
CCR2=5000;
TACTL=TASSEL_2+MC_1+ID_3;
LPM1;
}