謝謝大家!!!
我已經會了!!

請問一下高手~~如何讓PWM停止
以曾百由老師的書(DsPic數欸訊號控制氣原理與應用).
範例15-1程式: PWM控制設定

void Init_MCPWM(void)
{
/* Holds the PWM interrupt configuration value*/
unsigned int config;

/* Holds the value to be loaded into dutycycle register */
unsigned int period;

/* Holds the value to be loaded into special event compare register */
unsigned int sptime;

/* Holds PWM configuration value */
unsigned int config1;

/* Holds the value be loaded into PWMCON1 register */
unsigned int config2;

/* Holds the value to configure the special event trigger postscale and dutycycle */
unsigned int config3;

/* The value of ‘dutycyclereg’ determines the duty cycle register(PDCx) to be written */
unsigned int dutycyclereg;
unsigned int dutycycle;
unsigned char updatedisable;
/*以上為變數宣告設定*/
/***************************************/

/* Configure pwm interrupt enable/disable and set interrupt priorties */
config = (PWM_INT_DIS & PWM_FLTA_DIS_INT & PWM_INT_PR1& PWM_FLTA_INT_PR0);

ConfigIntMCPWM( config );

/* Configure PWM to generate square wave of 50% duty cycle */
dutycyclereg = 1;

dutycycle = 0x0059; //正轉...9.2US //DEAD TIME0.5US //反轉0.5US

updatedisable = 0;
SetDCMCPWM(dutycyclereg,dutycycle,updatedisable);

period = 0x002e;
sptime = 0x0;
DTCON1=0x00f;
/*以上為PWM工作週期設定*/
/***************************************/

config1 = (PWM_EN & PWM_IDLE_STOP & PWM_OP_SCALE16& PWM_IPCLK_SCALE16 &PWM_MOD_UPDN);

config2 = (PWM_MOD1_COMP &PWM_PDIS3H & PWM_PDIS2H & PWM_PEN1H & PWM_PDIS3L & PWM_PDIS2L & PWM_PEN1L);

config3 = (PWM_SEVOPS1 & PWM_OSYNC_PWM & PWM_UEN);

OpenMCPWM(period,sptime,config1,config2,config3);

}

因為大概知道在config1裡面做設定.可是我怎麼設定他都依然會有輸出訊號~~如何讓程式輸出(PWM1H.PWM1L)為0啊???
感謝指導新手!!!