PIC12F508单片机学习l例程

1、页眉内容PIC12F508单片机学习之一 一一定时器PIC12F508单片机是没有中断的，定时器只能是查询方式。编译器用的XC8，编译环境IDE用的是MPLAB X IDE /*/ /VDD-| 18 |-VSS/GP5-| 227 |-GP0/DAT/GP4-| 326 I-GP1/CLKGP3/RMCLR-| 425 |-GP2/ |/12F508/*/定时器模式试用#include#include/ #pragma config statements should precede project file includes./ Use project enums instead of #

2、define for ON and OFF ./ CONFIG#pragma config OSC = IntRC/ Oscillator Selection bits (internal RC oscillator)#pragma config WDT = OFF/ Watchdog Timer Enable bit (WDT disabled)#pragma config CP = OFF/ Code Protection bit (Code protection off)#pragma config MCLRE = OFF/ GP3/MCLR Pin Function Select bi

3、t (GP3/MCLR pin function is digitalinput, MCLR internally tied to VDD)#define uchar unsigned char#define uint unsigned intuchar count;/uchar GP3_F;void Init()TRIS=0x3F; /GP3 输入，其它输出OPTION=0xC5; 分频器给定时器 64 4MHz x=257-tJ/4FTMR0=0x63;/10ms x=257-tJ/4F void main()lnit();while(1)if(TMRO=OxFF)TMR0=0x63;/i

4、f(+count=50)/1s Icount=0;GP2=GP2;/LED 闪烁PIC12F508单片机学习之二一一看门狗和休眠模式试用PIC12F508单片机是没有中断的，复位情况只能是查询方式。编译器用的XC8，编译环境IDE用的是MPLAB X IDE。 下载器是PICKIT3./*/ / VDD-| 18 |-VSS/GP5-| 227 |-GP0/DAT/GP4-| 326 |-GP1/CLK/GP3/RMCLR-I 425 |-GP2/II/12F508/*/看门狗和休眠模式试用#include#include/ #pragma config statements should p

5、recede project file includes./ CONFIG#pragma config OSC = IntRC#pragma config WDT = ON/ Use project enums instead of #define for ON and OFF ./ Oscillator Selection bits (internal RC oscillator)/ Watchdog Timer Enable bit (WDT Enable )#pragma config CP = OFF/ Code Protection bit (Code protection off)

6、#pragma config MCLRE = OFF/ GP3/MCLR Pin Function Select bit (GP3/MCLR pin function is digitalinput, MCLR internally tied to VDD)#define uchar unsigned char#define uint unsigned int |uchar count;/uchar GP3_F;void Init()TRIS=0x3F; /GP3 输入，其它输出OPTION=OxCE;/定时器分配看门狗时间是18Ms*64=1.152S void main()Init();w

7、hile(1)if(nTO=0) /看门狗引起的复位GP2=GP2;SLEEP();PIC12F508单片机学习之三一一按键唤醒PIC12F508单片机是没有中断的，按键中断只能是查询方式。编译器用的XC8，编译环境IDE用的是MPLAB X IDE。下载器是PICKIT3./*/ / VDD-| 18 |-VSS/GP5-| 227 |-GP0/DAT/GP4-| 326 |-GP1/CLK/GP3/RMCLR-I 425 |-GP2/ |/12F508/*/看门狗休眠唤醒/按键唤醒#include#include/ #pragma config statements should prec

8、ede project file includes./ Use project enums instead of #define for ON and OFF ./ CONFIG#pragma config OSC = IntRC/ Oscillator Selection bits (internal RC oscillator)#pragma config WDT = ON/ Watchdog Timer Enable bit (WDT Enable )#pragma config CP = OFF/ Code Protection bit (Code protection off)#pr

9、agma config MCLRE = OFF/ GP3/MCLR Pin Function Select bit (GP3/MCLR pin function is digitalinput, MCLR internally tied to VDD)#define uchar unsigned char#define uint unsigned int#define LED1 GP5#define LED2 GP4#define KEY GP3bit KEY_F;uchar count;/uchar GP3_F;void Init()TRIS=0x3F; /GP3 输入，其它输出/ OPTION=0x07; /这个寄存器上电复位均为1/ OPTION=nGPWU|nGPPU|PSA|PS1|PS2; /引脚中断唤醒禁止弱上拉禁止定时器分配看门狗时间是18Ms*64=1.152SOPTION=0x