AT89C4051单片机的产品手册，详细地说明了AT89C4051单片机的各项性能指标、产品结构和工作原理。...

C51与HT9170和HT9200接口程序(双音多频)-C51 with HT9170 and HT9200 interface program (DTMF)

单片机控制按键显示芯片HD7279A，现象左移两位显示，C言版.rar-SCM button display chip HD7279A, the phenomenon of the left two show, C made version. Rar

红外遥控接收 ORG 0000H LJMP START 转入主程序 ORG 0010H START: MAIN: JNB P2.2,IR LJMP MAIN 以下为进入P3.2脚外部中断子程序，也就是解码程序 IR: MOV R6,#9 SB: ACALL DELAY882 调用882微秒延时子程序 JB P2.2,EXIT 延时882微秒后判断P3.2脚是否出现高电平如果有就退出解码程序 DJNZ R6, SB 重复10次，目的是检测在8820微秒内如果出现高电-infrared remote control receiver ORG 0000H LJMP START into main program ORG 0010H START : MAIN : JNB P2.2, IR LJMP MAIN below to enter P3.2 foot external interrupt subroutine, which is decoding procedures IR : MOV R6, SB# 9 : Calling ACALL DELAY882 882 microsecond delay subroutine JB P2.2, EXIT 882 microsecond delay after the judgment whether there P3.2 feet to I quit if decoding procedures DJNZ R6, SB repeated 10 times, the purpose is to test if within 8,820 microsecond high

LCD320240,C51单片机的串口通信。-LCD320240, C51 microcontroller serial communication.

51单片机上的DS1302驱动，相关的LCD驱动可以在我发布的其它驱动中找到。-51 MCU on the DS1302 drive LCD driver can be related to the other drivers I have found.

Atmel1508的资料，大家看看阿，不错哦，好东东阿。好东东阿。-Atmel1508 information, we look at Ah, yes, oh good Dongdong A. A good Dongdong.

用89c51单片机与USBD12结合的电路图和源程序.. -with 89c51 SCM and USBD12 combination of circuit and the source ..

ZLG7289键盘显示接口芯片是一个很常用的接口芯片，至需4个IO口接可以控制显示8位的数码管显示和64个矩阵键盘的自动扫描，效果很好。-ZLG7289 keyboard display interface chip is a very common interface chip, to take four IO access can be controlled mouth shows 8 digital tube display and keyboard matrix 64 automatically scans, very good.

软件滤波文件 -software filter paper

刚购买的51单片机sch原理图和c语言程序，里面有详细的电路原理图和c语言程序，自己做单片机学习班的可以下载来参考-Just purchased 51 Singlechip sch schematic and c language program, which has a detailed circuit schematic diagram and c language program, to do their own single-chip learning classes can be downloaded to a reference