一个4X4的键盘程序设计，希望能对大家有一定的帮助

《51系列单片机高级实例开发指南》一书的CAN总线的C51源代码-"51 MCU Development Guide Senior example," a book of CAN Bus C51 source code!

时钟日历芯片PCF8584的C51源程序，转载自于磁动力电子网-calendar clock chip PCF8584 source of C51, reproduced from the magnetic force on electronic network

C51的一个小CODE，自己看了就知道了，适合初学着学习-C51 a small CODE, read on to know their own, and suitable for beginner learning

单片机内置USB调试固件程序,用于51单片机-MCU built-in USB debug firmware for the microcontroller 51. . .

AVR atmega8做的USB转串口模拟源码。-avr atmega8 use to a USB to UART.

这是微软的一个USB块传输例程，虽然它是基于Intel USB开发板的，但是也很值得我们好好的研究。-This is a Microsoft USB block transmission routines, although it is based on the Intel USB development board, but also worthy of our good look.

、新华龙C8051f340的中文开发资料、-, The new Chinese C8051f340 hualong development information,

一个采用C8051F020+CH372实现的带USB功能的流量测控系统，包括C8051F020的AD/DA/串口编程、触摸屏的串口编程、CH372实现的USB接口编程（原创）等。这些源代码已在某产品中使用。-A used C8051F020+ CH372 achieved with USB function of flow measurement and control system, including the C8051F020 the AD/DA/serial programming, the serial touch-screen programming, CH372 realized USB Interface Programming (original) and so on. These source code has been used in a product.

160104S6B0719(iccavr) form ouravr.com

MCS-51单片机实用子程序库,对十进制浮点数和二进制浮点数的相互转换子程序进行了彻底改写，提高了运算精度和可靠性-MCS-51 single-chip utility subroutine library for floating point and binary floating-point decimal mutual conversion subroutine carried out a thorough rewrite, improve the computing accuracy and reliability