PIC16F887单片机内部时钟,看门狗唤醒睡眠模式

#include

__CONFIG(INTIO & WDTDIS &DEBUGDIS& PWRTEN & MCLRDIS & UNPROTECT & DUNPROTECT & BORXSLP & IESODIS & FCMDIS & LVPDIS); void delay50us(unsigned char z) {

unsigned char i,j; for(i=0;i

void main() {

unsigned int count; unsigned char temp; unsigned char i; OSCCON = 0x61; OPTION = 0x0f; WDTCON = 0x09; temp = 1; // ANSEL = 0; TRISD = 0x00; delay50us(20); PORTD = ~temp; while(1) {

SLEEP(); //进入睡眠模式；等待WDT溢出唤醒 if(temp>254) temp = 0; else

temp ++;

PORTD = ~temp; } }

#include

__CONFIG(INTIO & WDTDIS &DEBUGDIS& PWRTEN & MCLRDIS & UNPROTECT & DUNPROTECT & BORXSLP & IESODIS & FCMDIS & LVPDIS); void delay50us(unsigned char z) {

unsigned char i,j; for(i=0;i

; }

void main() {

unsigned int count; unsigned char temp; unsigned char i; OSCCON = 0x61; OPTION = 0x0f; WDTCON = 0x09; temp = 1; // ANSEL = 0; TRISD = 0x00; delay50us(20); PORTD = ~temp; while(1) {

SLEEP(); //进入睡眠模式；等待WDT溢出唤醒 if(temp>254) temp = 0; Else temp ++;

PORTD = ~temp; } }