其中包含了单片机与5045芯片的通信，读出字节，写入字节！还有单片机的内部时钟定时器，中断等操作！...

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

mcs-51单片机应用设计，适合初学者看-mcs-51 application design, suitable for beginners to see

云台控制程序，可以控制云台的上下左右，聚集等-tilt control procedures, control platforms, the levels have gathered so

MCS-51单片机应用设计-MCS-51 Application Design

这是我大学同学今年的毕业设计项目：基于USB的红外鼠标。红外遥控器模拟鼠标的左右键，还有滚动条。红外接收用HS0038A接收，在这设计中红外处理部分用一块51单片机处理。USB信号处理部分（即USB设备）用51单片机和PDIUSBD12芯片构成-This is my university students graduating this year" s design project: Based on the infrared USB mouse. Infrared remote control analog left and right mouse button, as well as scroll bar. Infrared receiver with HS0038A receive, in the design of mid-infrared processing section 51 with a microcontroller processing. USB signal processing part (ie, USB devices) with 51-chip microcontroller and PDIUSBD12 composition

C51中必备的汉字内码提取工具,让单片机很好的输入输出汉字.-C51 in the essential character of the code extraction tool that allows single-chip input and output of Chinese characters very well.

C51 用PCA 模拟串口，很有参考价值得源码-C51 with PCA serial analog, a valuable source

C51智能反编译器-C51 intelligence counter- compiler

本程序用于MICROCHIP 24LC64 EEPROM的读写。本程序不使用芯片级联方式， 请将A0，A1，A2 管脚接至低电平。本程序使用IOC6作为SDA，IOC7作为SCL。 程序中的地址空间最大可至64K：24LC00-16-0，24LC01-128-8，24LC02-256-8， 24LC04-512-16，24LC08-1K-16，24LC16-2K-32，24LC32-4K-32，24LC64-8K-32， 24LC128-16K-64，24LC256-32K-64，24LC512-64K-128，读写数据均为8bits。 以上器件的格式为（型号-地址空间-页大小）不同器件的页大小不同，因此页写 程序需作相应修改，其他字节写，随机读以及顺序读程序均相同-This procedure for the MICROCHIP 24LC64 EEPROM read and write. This procedure does not use chips cascade way, please A0, A1, A2 pin to low level access. This procedure used IOC6 as SDA, IOC7 as SCL. Process address space available to the largest 64K: 24LC00-16-0, 24LC01-128-8, 24LC02-256-8, 24LC04-512-16, 24LC08-1K-16, 24LC16-2K-32, 24LC32-4K- 32,24 LC64-8K-32, 24LC128-16K-64, 24LC256-32K-64, 24LC512-64K-128, read and write data are 8bits. The format for the above device (Model- address space- page size) of different devices of different sizes of pages, so page written procedures need to be amended accordingly, and other bytes to write, rand

基于AT89C51的电子钟源程序和Protel电路图，该电路可以实现定时开关灯，整点报时，在线调整时间、日期、定时开时间和定时关时间。 Protel电路图 其它类别 电子钟源程序 电路图源程序-AT89C51-based electronic clock source and Protel circuit, the circuit can realize lamp timer switch, the whole point of time, on-line adjust time, date, time and from time to time from time to time to open clearing time. Protel circuit diagrams of other types of electronic circuit source clock source