一个4X4的键盘程序设计，希望能对大家有一定的帮助

dirving SDRAM PC133 with BASCOM AVR(up to 512Mbit or 64MByte)

12位高速数模转换芯片TCL5620驱动程序-12 high-speed digital-to-analog converter chip driver TCL5620

arm7 LPC2136的Keil for arm 工程模板，包含了uCOSII操作系统。对Keil编译环境熟悉的单片机开发人员非常具有参考价值。-arm7 Keil LPC2136 the arm for the project template, uCOSII operating system contains. Keil compiler to the environment familiar microcontroller developers have great reference value.

单片机模数转化程序，主程序时一位从事单片机工作多年的资深教授所编写-SCM modulus conversion process, the main program in a microcontroller when a senior professor for many years to prepare

一个接收GPS模块接收时间显示在LCD上面 用SW调格林威治+-小时分 -A GPS receiver module to receive the time displayed on the LCD above tune with SW Greenwich+- Hours minutes

MSP430的CRC程序设计实现，位运算和查表法-MSP430 realize the CRC program design, digital computing and look-up table method

是一些数码管简单的驱动程序。可用来学习。-Are some simple LED driver. Can be used to learn.

24位高精度A转换芯片 AD7710 源码 已成功用于液压自动控制系统五年-24 high-precision A conversion chip AD7710 source has been successfully used for hydraulic automatic control system for five years

/************************** 0 1 2 3 4 5 6 7 8 9 . CLR + - = CLR ***************************/ 用键盘扫描,数码管显示实现计算功能,能实现xxx.x任意正数的加减 运算,超过范围显0000,功能键如上-/************************** 0 1 2 3 4 5 6 7 8 9. CLR +- = CLR ***************************/ With keyboard scan, digital tube display of computing power, to achieve any positive xxx.x addition and subtraction Operation, significantly more than the scope of 0000, above function keys

超级单片机开发工具，我一直在用，还不错，下载后要解压。-Super microcontroller development tools, I have been using, quite good, downloaded after decompression.