//PWM1

    PWMPERDL1=0xb3;

    PWMPERDH1= 0x00;

    PWMCCNTL1=0x6B;

    PWMCCNTH1= ;

    PWMDBDY1=0x2B;     //死区延时计时器

    //PWM0

    PWMPERDL0=pwm_per_L ;

    PWMPERDH0=pwm_per_H ;

    PWMCCNTL0=0x6B ;

    PWMCCNTH0=0x00 ;

    PWMDBDY0=0x2B;    //死区延时计时器