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LPC2103,PWM,LPC2103PWM LPC2103 PWM 问题,做LPC2103PWM实验总是不行

问
以下是我的初始化程序
PINSEL1=(PINSEL1&0xFFFFFFFC)|(0x02<<0); //MAT0.2
T0TC=0; //Timer counter=0;
T0PR=0; //prescale=0;
T0MCR=1<<10; //MR3R=1 the TC will be reset if MR3 match it
T0MR3=Fpclk/1000; //1ms
T0MR2=100; //duty=0;
T0PWMCON=1<<2; //MAT0.2
T0EMR=(2<<8)|(1<<2); //SET
T0TCR=0x03;
可就是怎么都没输出,郁闷.请做过的朋友提点一下 答 1: 不好意思,犯了个错误把T0TCR=0x03;改为T0TCR=0x01就可以了
PINSEL1=(PINSEL1&0xFFFFFFFC)|(0x02<<0); //MAT0.2
T0TC=0; //Timer counter=0;
T0PR=0; //prescale=0;
T0MCR=1<<10; //MR3R=1 the TC will be reset if MR3 match it
T0MR3=Fpclk/1000; //1ms
T0MR2=100; //duty=0;
T0PWMCON=1<<2; //MAT0.2
T0EMR=(2<<8)|(1<<2); //SET
T0TCR=0x03;
可就是怎么都没输出,郁闷.请做过的朋友提点一下 答 1: 不好意思,犯了个错误把T0TCR=0x03;改为T0TCR=0x01就可以了
共2条
1/1 1 跳转至页