STC12LE5616AD datasheet(161/377 Pages) STC

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6.7.6 Program of PCA Interrupt used to wake up Power Down mode

1. C program

/*--------------------------------------------------------------------------------------------*/

/* --- STC MCU International Limited -----------------------------------------------*/

/* --- STC 1T Series MCU Power-Down wakeup by PCA Demo ----------------*/

/* If you want to use the program or the program referenced in the -------------*/

/* article, please specify in which data and procedures from STC -------------*/

/*--------------------------------------------------------------------------------------------*/

#include "reg51.h"

#include "intrins.h"

typedef unsigned char BYTE;

typedef unsigned int WORD;

/*Declare SFR associated with the PCA */

sfr

WAKE_CLKO = 0x8F;

sfr

CCON

= 0xD8;

//PCA control register

sbit

CCF0

= CCON^0;

//PCA module-0 interrupt flag

sbit

CCF1

= CCON^1;

//PCA module-1 interrupt flag

sbit

= CCON^6;

//PCA timer run control bit

sbit

= CCON^7;

//PCA timer overflow flag

sfr

CMOD = 0xD9;

//PCA mode register

sfr

= 0xE9;

//PCA base timer LOW

sfr

= 0xF9;

//PCA base timer HIGH

sfr

CCAPM0= 0xDA;

//PCA module-0 mode register

sfr

CCAP0L = 0xEA;

//PCA module-0 capture register LOW

sfr

CCAP0H = 0xFA;

//PCA module-0 capture register HIGH

sfr

CCAPM1= 0xDB;

//PCA module-1 mode register

sfr

CCAP1L = 0xEB;

//PCA module-1 capture register LOW

sfr

CCAP1H = 0xFB;

//PCA module-1 capture register HIGH

sfr

CCAPM2= 0xDC;

//PCA module-2 mode register

sfr

CCAP2L = 0xEC;

//PCA module-2 capture register LOW

sfr

CCAP2H = 0xFC;

//PCA module-2 capture register HIGH

sfr

CCAPM3= 0xDD;

//PCA module-3 mode register

sfr

CCAP3L = 0xED;

//PCA module-3 capture register LOW

sfr

CCAP3H = 0xFD;

//PCA module-3 capture register HIGH

sfr

PCAPWM0

= 0xF2;

sfr

PCAPWM1

= 0xF3;

sfr

PCAPWM2

= 0xF4;

sfr

PCAPWM3

= 0xF5;

161

STC12LE5616AD Datasheet(PDF) 161 Page - STCmicro Technology Co,.Ltd

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