能准确测量输入频率，配备相应的C语言程序。

随便玩玩,想下个东西,可是不让我下，上传了就可以下了么?

2009年全国电子设计大赛的题目，富有借鉴参考的意义，题目，最新，最好！-National Electronic Design Competition in 2009 the subject of the significance of the rich experiences for the title, the latest, the best!

这是 12864LCD的技术文档 大家可以参考一下-This is the technical documentation 12864LCD we can refer to

MSP430的PWM的输出实现程序，非常 实用！-MSP430 output of the PWM to achieve program is very useful!

嵌入式TCPIP协议的单片机数据通讯系统的设计与实现-TCPIP agreement Embedded Microcontroller data communication system design and implementation

一些单片机C程序，希望对初学者有一定作用-Some single-chip C program, and they hope to have a role beginners

s3c44b0x和ch375读写U盘程序-s3c44b0x ch375 and U disk read and write procedures

PC机与RS232串口实验，实现51单片机通过串口进行数据的收发.-PC, and RS232 serial experiments, to achieve 51 microcontroller through the serial port to send and receive data.

用SmartGen生成一个256*8的大小同步FIFO，并通过串口发送数据初始化FIFO。然后，再通过串口返回到上位机的串口调试程序显示，确认数据是否正确。-SmartGen generated with a size of 256* 8 Synchronous FIFO, and sending data through the serial port to initialize FIFO. And then back through the serial port to the PC serial port debugger display to confirm the data is correct.

用单片机与CPLD做的等精度频率计，误差精确到十亿分之一-MCU and CPLD make use of such precision frequency meter, the error is accurate to a billionth of a