这是一个读取ID卡的源代码，仅依靠8052的时钟读取125K频率的ID卡。...

说明：此程序使用标准PS2键盘输入，LCD1602液晶屏输出显示。此样例仅作测试使用 晶振使用12M或者11.0592M,本键盘使用部分字母和数字测试，其他按键不能使用，用 户可以自行扩展。由于开发板和程序的各种参数，程序中没有使用奇偶校验，不保证没有 误码,校验程序请自行添加。-Description: This program uses the standard PS2 keyboard input, LCD1602 LCD output display. This sample is only used for testing the use of crystal 12M or 11.0592M, this keyboard to use part of letters and numbers tests, other buttons can not be used, users can expand their own. As the development board and procedures for various parameters, the program does not use parity, does not guarantee that there is no error, verification procedures to add your own.

单片机嵌入式入门教程 汇编指令实验 扩展实验 A/D转换实验

TA9257 东芝收音调谐IC的控制程序.-TA9257 Toshiba radio tuner IC control procedures.

通过测试已经可以应用 本程序的应用于C8051F020的I2C接口-Has passed the test can be applied to this procedure applies to the I2C interface C8051F020

本文主要编译出lcd的基本程序，还有字模的使用方法 -In this paper, compile a lcd basic procedures, as well as the use of matrix methods

《单片机原理与实用技术》第1章-"SCM principles and practical technology," Chapter 1

无线产品在嵌入式中的应用(PDF)-wireless products in the embedded application (PDF)

永磁同步电机监控程序，12864显示，AD采样-Permanent magnet synchronous motor control program, 12864 displays, AD sampling

I2C接口AD转换器ADS11XX的应用，c51原代码调试通过，放心使用。-I2C interface AD converters ADS11XX application decoder source code debugging through reassured use.

pic单片机串口通信调试程序，单片机收到上位机命令后发送数据-Single-chip serial communication pic debugger, single-chip PC orders received after sending data