8051单片机上4*4矩阵键盘的扫描方式1

8051 Serial I/O Routines Ring buffered, interrupt-driven UART driver, written in Keil C .

51系列单片机在基本的开发例程，不错噢。-51 Series MCU in the development of basic routines, Oh well.

51单片机扩展64K以上数据存储区的源码。 已经过测试-51 Single-chip extended data storage area for more than 64K of source code. Has been tested

12864LCD驱动非常实用KeilC51

可用于PIC单片试验用，12M晶振，形成10毫秒中断 第一次上传东西，试试看，-PIC chip can be used to test, 12M crystal, the formation of the first 10 ms interruption upload things, give it a try,

51单片机实现经过裁剪的TCP/IP协议,编译环境Keil C51.-51 MCU after cutting TCP/IP protocol, the compiler environment, Keil C51.

keilc51中stc芯片补丁，用于stc系列芯片的开发-STC chip in keilc51 patch for the development of STC series chip

单片机红外遥控试用程序，红外接收头测试烧写文件。-Single-chip infrared remote control trial procedures, the first test infrared receiver programmer documentation.

单片机点对点通信，分为主机部分和从机部分。-Single-chip point-to-point communications, the host is divided into parts and parts from the machine.

单片机模拟spi通讯，可用于对spi接口的存储器的读写访问-Single-chip simulation spi communication, can be used to spi interface to read and write memory access