自己现在用的51系列单片机下载线，用74HC244芯片

单片机通过Modbus协议与HMI通信.rar-microcontroller through an agreement with HMI Modbus communications. Rar

凌阳单片机模拟SPI总线的时许函数,这是本人使用过的。-Sunplus MCU simulate SPI bus function

51单片机驱动针式打印头的程序-51 Microprocessor needle procedures print head

Button 一个国外大学生毕业设计,用的是AVR单片机-Button a foreign university graduates design, the AVR

C8051f021单片机 ASm 头文件-C8051f021 SCM ASm header files

内含单片机中对日期时间的查询等功能,可对单片机存储空间进行时间点分配查询的功能-Containing single-chip time of the date of the query and other functions can be carried out on single-chip storage space distribution point in time query function

口调试助手源程序AVR单片机在线编程下载线电路图,PCB图及HEX文件.zip- The mouth debugs the assistant source program AVR monolithic integrated circuit on-line programming downloading line circuit chart, the PCB chart and the HEX document zip

这是C和ASM混合屏幕开发的编程实例， 用的着就下吧-C and ASM development of the mixed-screen programming examples, using it to the next

学习C51的同学， 可以看看这个 ， 有了这个， 保你学习进度可以提升3成速度。-If you wanna learn C51 more fast, this resoure maybe give you a helper.

基于51单片机的简易函数发生器的源代码，有需要的可以参考一下-A simple microcontroller based function generator 51, the source code