c8051f04x单片机PCA（可编程计数器阵列）UART0的波特率检测。

用proteus进行的开发，和刚上传的c文件一起用-Proteus carried out with development, and the newly uploaded file with c

程序的源码及电路图都含其中，希望能对单片机开发者有用-Procedures have included source code and circuit diagrams in which the hope of useful single-chip developer

MSP430与GPRS短消息收发例程，短消息服务中心号码。-MSP430 SMS and GPRS transceiver routines, short message service center number.

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

串口发送一个字符，希望对刚开始学单片机的同学有帮助-Serial port to send a character, want to have just started to learn microcontroller help students

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

keil51使用中文详解-keil51 Comments on the use of Chinese

用 pic16f873 做的 p87lpc764 的编程器，有图、源程序、还有 764 的编程说明。-pic16f873 do with the p87lpc764 the programmer, a map, the source, there are 764 programming note.

键盘示意图键盘示意图

仪器仪表键盘显示模拟系统，用AT89S52芯片作为系统的CPU，控制系统的按键及显示器部分。用8路同相三态双向总线收发器74LS245芯片驱动LED。4X4矩阵键盘作为系统人机交互的重要部分，用于向单片机应用系统输入数据或控制信息，设计4X4矩阵键盘分别对应键码“0-F”。系统可以实现的基本功能包括开机LCD液晶屏幕显示“大专05电子信息X班XXX毕业设计”信息；按下任意一个按键，LCD液晶屏幕显示相应按键的信息。在基本功能的基础上还增加了一个扩展功能，即增加一个LED数码管同步显示相应键码-Show the simulated keyboard instrumentation systems, using AT89S52 chip as a system CPU, system control buttons and display parts. With 8-phase three-state bidirectional bus transceiver 74LS245 chip-driven LED. 4X4 matrix keyboard system as an important part of human-computer interaction, single-chip microcomputer application system used to input data or control information, the design of 4X4 matrix keyboard key code corresponding to