STC12C5A60S2_PWM-EEWORLD

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#include

#define uint unsigned int

#define uchar unsigned char

sfr CCON = 0XD8;

sbit CCFO = CCON^0;

sbit CCF1 = CCON^1;

sbit CR = CCON^6;

sbit CF = CCON^7;

sfr CMOD = 0XD9;

sfr CL = 0XE9;

sfr CH = 0XF9;

sfr CCAPM0 = 0XDA;

sfr CCAP0L = 0XEA;

sfr CCAP0H = 0XFA;

sfr CCAMP1 = 0XDB;

sfr CCAP1L = 0XEB;

sfr CCAP1H = 0XFB;

sfr PCAPWM0 = 0XF2;

sfr PACPWM1 = 0XF3; //PWM related registers

void PWM_Init() //PWM initialization function

{

CMOD = 0X02; //Set the working mode register

CL = 0X00; //low 8-bit counter cleared

CH = 0X00; // Clear the high 8-bit counter

/*********Mode 0*************/

CCAPM0 = 0X42; // Mode 0 pin works in 8-bit PWM without interruption. The CCON register can be used to set the interruption.

PCAPWM0 = 0X00; //Set the upper 9 bits to 0

CCAP0L = 0X00; //Set the initial value to 0

CCAP0H = 0X00; //Set the initial value to 0

/*********Mode 1**************/

CCAMP1 = 0X42;

PACPWM1 = 0X00;

CCAP1H = 0X00;

CCAP1L = 0X00; //same as above

CR = 1; //Start PCA counter

}

void PWM_Set(uchar Mod0,uchar Mod1) //Set duty cycle

{

CCAP0L = Mod0;

CCAP0H = Mod0;

CCAP1L = Mod1;

CCAP1H = Mod1;

}

void main()

{

PWM_Init();

PWM_Set(0XF0,0XFF);

while(1);

}

Keywords：STC12C5A60S2 Reference address：STC12C5A60S2_PWM

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