CP2200中文手册，不错的东西，不错的东西

nRF9e5开发例程，是一套完整的程序代码，需要的可以看看。-nRF9e5 development of routines, is a complete set of program code, need to take a look at.

一个简单的串口通信程式，用vb开发环境。 主要实现单片机与pc机的通信程式。-a simple serial communication program with Visual Basic development environment. SCM and main pc machine communication program.

usb 68013A芯片原理图和PCB图-usb 68013A chip and PCB schematic diagram

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

PS2接口协议，PS2与单片机的接口,用单片机的同志有服气了-PS2 interface protocol, PS2 and microcontroller interface, the MCU is convinced the comrades

51单片机键盘的相关处理，按键扫描，后针对具体应用进行相应处理．-51 Single-chip related deal with the keyboard, keypad scanning, after the specific application of the corresponding treatment.

12232液晶驱动的测试程序，c语言编写-12232 LCD driver test procedures, c language

1总线通信协议应用实例-a bus communication protocol Application

定时器的应用编程实例，对于了解定时器的功能有很大帮助-timer application programming examples for understanding the function of the timer is very helpful

EZ-USB FX系列单片机USB外围设备设计与应用.PDF 北航出版社 编著:许和