//PWM频率=1/((PR2+1)*4*(1/fosc)*预分频值)HZ//spdval=255频率=11.71875KHz//spdval=14频率=200.0KHzvoidHiSpd(unsig
PWM马达灯控制器电路-PWMMotorLightControllerApulsewidthmodulator(PWM)isadevicethatmaybeusedasanefficientlight
(1)当不加热时,CPU19脚输出低电平(同时13脚也停止PWM输出),D18导通,将V8拉低,另V9>V8,使IGBT激励电路停止输出,IGBT截止,则加热停止。(2)开始加热时,CPU19脚
/********STC12C5410AD的PWM应用***********************//*PWM波频率=Fosc/2/256*/voidSTC_PCA(void){CMOD=0x00;
8051单片机控制步进电机的C51语言编写的PWM控制程序#includeintrins.h>#includestdio.h>#includemath.h>#includeUPSD3