基于at89s52单片机用12864液晶c显示带s18b20测温的万年历电子时钟.pdf

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用 at89s52 单片机，12864 显示，DS18B20 测温

12864 液晶显示屏驱动是和

温度传感器测温在

单片机底层驱动是

包含 5 个文件

分别保存成.c 文件，运行

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

Header file for the low voltage Flash Atmel AT89C52 and AT89LV52.

Byte Registers

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

sfr P0 = 0x80;

-

1

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sfr SP = 0x81;

sfr DPL = 0x82;

sfr DPH = 0x83;

sfr PCON = 0x87;

sfr TCON = 0x88;

sfr TMOD = 0x89;

sfr TL0 = 0x8A;

sfr TL1 = 0x8B;

sfr TH0 = 0x8C;

sfr TH1 = 0x8D;

sfr IP = 0xB8;

sfr T2CON = 0xC8;

sfr T2MOD = 0xC9;

sfr RCAP2L = 0xCA;

sfr RCAP2H = 0xCB;

sfr TL2 = 0xCC;

sfr TH2 = 0xCD;

sfr PSW = 0xD0;

sfr ACC = 0xE0;

sfr B = 0xF0;

-

2

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

P0 Bit Registers

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

sbit P0_0 = 0x80;

sbit P0_1 = 0x81;

sbit P0_2 = 0x82;

sbit P0_3 = 0x83;

sbit P0_4 = 0x84;

sbit P0_5 = 0x85;

sbit P0_6 = 0x86;

#define GF0_ 0x04

#define GF1_ 0x08

#define SMOD_ 0x80

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

TCON Bit Registers

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

sbit IT0 = 0x88;

-

3