使用的同步串行三线SPI 接口，可以方便的连接采用SPI 通信协议的外围或另一片AVR 单片机，实现在 短距离内的高速同步通信。ATmega128 的SPI...

m128 接 gsm modem 用pdu 发中文短信 的流程。自己总结的，附带源码，仅供参考哦-gsm modem access m128 made by Chinese SMS pdu process. Their own summary, with source code, for reference only, oh! !

在ADS编译环境以及keil-ARM这两种编译环境下通用的arm-core头文件，并用金鹏串行12864进行验证，用此arm-core开发程序可以不受编译器头文件缺少的限制-In the ADS environment and compiler keil-ARM compiler environment of these two common arm-core header files, and verify Jinpeng serial 12864, with the arm-core development programs can not be the first document of the lack of compiler restrictions

C8051f020与气压传感器HP03S制作的气压测试仪，串口与PC机通讯。Keil工程打包。-C8051F020 and pressure sensor produced HP03S pressure tester, serial communication with PC. Keil engineering package.

一种基于单片机系统的多级菜单模块化编程．方便了菜单的加载与卸载,软件结构清晰,维护方便-SCM systems based on multi-level menus modular programming. To facilitate the loading and unloading of the menu, software, clear structure and easy maintenance

用ADC0809做成的数字电压表 内部带有完整的原理图 仿真图 程序-ADC0809 made with digital voltage meter with a complete internal schematic diagram simulation procedures

keil下12864的显示测试程序，MCU是89C51，同时带有PROteus仿真工程，很好用-keil display under the 12864 test procedure, MCU is the 89C51, while simulation with PROteus works very well with

实现CAN总线通讯的自测试功能，如果硬件条件具备，也可用来实现CAN控制器之间的通讯。 具体内容见代码中每一句的注释，经调试成功-CAN bus communication realize the self-test function, if hardware conditions are ripe, but also can be used to realize communication between the CAN controller. The specific content of the code, see the Notes of each sentence, after the successful commissioning

在单片机系统中实现4*4的小键盘的扫描程序，按键输出对应信号，可以根据按键来设定输出对应高低电平-Single-chip microcomputer system in the implementation of the 4* 4 keypad scanning procedures, the corresponding button output signal can be output in accordance with the corresponding button to set the high-low

单片机系统设计及工程应用-雷思孝 冯育长编著 本书系统介绍了51系列单片机的基本原理和应用，从应用系统设计的角度出发，较为全面地介绍了单片机应用系统设计中的相关技术。全书共11章，内容分别为单片机系统概述、单片机硬件系统设计基础、指令系统与编程技术、中断系统与定时器应用、串行通信技术、单片机系统扩展及应用、单片机应用系统开发环境、单片机应用系统设计、系统抗干扰设计、实用外围电路设计、常用传感器。 作者总结多年来教学和科研的实践经验，为了解决读者在学习单片机技术及实际应用中的难点和疑惑，对难点进行详细描述，适当进行要点归纳，力求简洁实用，注重系统设计能力的培养，侧重设计方法和实际应用。 本书可作为工科院校电子信息、通信工程、计算机科学与技术、仪器仪表、工业自动化等相关专业单片机系统设计课程教材，以及高职高专相关专业单片机应用课程教材，对于工程技术人员及广大单片机爱好者，本书也极具参考价值。 -SCM system design and engineering applications- Xiao Feng long Elisabeth edited the book system introduced 51 Series MCU basic principles and applications, from the application system design perspective, A more comprehensive presentation of the SCM application system design related technologies. The book has 11 chapters, which were outlined SCM system, microcontroller hardware system design basis, Instruction System and programming technology, and the timer interrupt system application, serial communications technology, SCM system expansion and the application MCU application system

这是一个实现PC上位机控制下位机（单片机）通过GSm模块发送短信的源代码。-This is a PC-host computer under the control of bit machine (SCM) to send text messages via GSm module source code.