IAR例子，里面是一个完整的串口异步通讯例子。

/************************** 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

自己写的CH452的驱动，用keil C51写的-himself wrote the CH452 drive with the Keil C51 write

两相四线步进电机驱动,控制程序.C语言编写-Two-phase four-wire stepper motor driver and control program. C language

镍电池配置程序AT89S51单片机开发，用于充电电池控制-Nickel battery configuration procedures AT89S51 Singlechip development, for the rechargeable battery control

DS1302的读写程序，经过测试的程序 欢迎大家拿去 我们进行交流和学习探讨-The DS1302 to read and write procedures, tested the procedures are welcome to take us to explore the exchange and learning

NRF905的源程序，用于数据的无线收发-NRF905 the source, the wireless transceiver for data

基于LIN的收发通信 调试通过 请大家放心下载-LIN transceiver, communications-based debugging assured by inviting everyone to download

基于51的使用步进电机控制升旗程序c语言-Stepper motor control based on the 51 flag-raising program c language

24-512copy.rar(1K)24c512及24c512以下芯片copy程序,没有芯片所以没有测试-24-512copy.rar (1K) 24c512 and 24c512 chip copy the following order, no there is no test chips

pid，用于飞思卡尔智能车比赛，学习资料-pid, for Freescale" s Smart car