;-------------------------------------------------------------;PWM_TurnOnandP0CONH,#11001111borP0CONH,#00010000borPWMCON,#(PWMCON_CLEAR|PWMCON_START)ret;-------------------------------------------------------------;PWM_TurnOffandPWMCON,#~(PWMCON_START)andP0CONH,#11001111borP0CONH,#00100000bandP0DATA,#10111111bldP0,P0DATAret

9454的PWM挺好用,不用外部晶振就可以做到40KHzPID算法控制,我没使用中断PWM_Init;fosc/1,reloadfrom8bitcounter,Disableinterrupt,ldPWMCON,#11001001bldPWMDATA,#04hret

是MOSFET