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ACK BIT 10H ;应答标志位 SLA DATA 50H ;器件地址字 SUBA DATA 51H ;器件子地址 NUMBYTE DATA 52H ;读/写字节数 SDA BIT P1.5 SCL BIT P1.4 ;I2C总线定义 MTD EQU 30H ;发送数据缓存区首地址(30H-3FH) MRD EQU 40H ;接收数

礦ision3 Build Log Project: C:\Documents and Settings\Administrator\桌面\68 I2C\I2C.uv2 Project File Date: 08/24/2006 Output: Build target 'Targe

Build target 'Target 1' linking... Program Size: data=8.0 xdata=0 code=411 creating hex file from "I2C"... "I2C" - 0 Error(s), 0 Warning(s).

### uVision2 Project, (C) Keil Software ### Do not modify ! Target (Target 1), 0x0000 // Tools: 'MCS-51' Group (Source Group 1) File 1,2, 0x0 Options 1,0,0 // Targ

"I2C.obj" TO "I2C.OMF"

ACK BIT 10H ;应答标志位 SLA DATA 50H ;器件地址字 SUBA DATA 51H ;器件子地址 NUMBYTE DATA 52H ;读/写字节数 SDA BIT P1.5 SCL BIT P1.4 ;I2C总线定义 MTD EQU 30H ;发送数据缓存区首地址(30H-3FH) MRD EQU 40H ;接收数

A51 MACRO ASSEMBLER I2C 08/25/2006 15:57:59 PAGE 1 MACRO ASSEMBLER A51 V8.00 OBJECT MODULE PLACED IN I2C.OBJ ASSEMBLER INVO

### uVision2 Project, (C) Keil Software ### Do not modify ! Target (Target 1), 0x0000 // Tools: 'MCS-51' Group (Source Group 1) File 1,2, 0x0 Options 1,0,0 // Targ

ACK BIT 10H ;应答标志位 SLA DATA 50H ;器件地址字 SUBA DATA 51H ;器件子地址 NUMBYTE DATA 52H ;读/写字节数 SDA BIT P1.5 SCL BIT P1.4 ;I2C总线定义 MTD EQU 30H ;发送数据缓存区首地址(30H-3FH) MRD EQU 40H ;接收数

/* I2C.c 标准80C51单片机模拟I2C总线的主机程序 */ #include "config.h" //定义延时变量，用于宏I2C_Delay() unsigned char data I2C_Delay_t; /* 宏定义：I2C_Delay() 功能：延时，模拟I2C总线专用 */ #define I2C_Delay()\ {\