电路图和程序是正确的。如果问题可以去我的博客吨..

基于MSC51的数字钟。采用PCF8563作为日历芯片，ZLG7290显示和键盘控制。具有5个闹钟源。同时可以修改报时时间和报时音效和LED灯效。-MSC51-based digital clock. PCF8563 chip used as a calendar, ZLG7290 display and keyboard control. Clock source has a 5. At the same time, time can be amended time and time efficient audio and LED lamps.

Keil uVision3例证代码NOMOD51 This file is part of the C51 Compiler package Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. Version 8.01-Keil uVision3 example code NOMOD51This file is part of the C51 Compiler package Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. Version 8.01

ds时钟芯片编程 对ds时钟芯片进行设置时间，读取时间等的操作-ds clock chip programming right ds clock chip for set-up time and the time to read the operation

基于ATMGA8515L的PS2 键值显示 -Based on the PS2 keys ATMGA8515L Show

微机原理的资料，还可以，大家看看，谢谢我啊，传好东西上来-computer theories information, but also that we look at, ah, I thank you and pass onto good things

移植成功的单片机uc/os-II代码，效果很好的-Successful transplantation Singlechip uc/os-II code, the effect of good

proteus仿真的单片机串口通信，请使用虚拟串口软件模拟串口调试，该软件我已经上传。-Proteus simulation of single-chip serial communication, use the virtual serial port serial debugging software simulation, the software I have already upload.

压力传感器程序 包括UART GPRS SMS PCF8563-Press Sensor Code based at MSP430

语音处理，单片机语音处理，台湾IC,这个软件是一个很使用的软件-speech processing, speech processing SCM, Taiwan IC, the software is a very use of the software

美国TI公司的protel 元器件库，在应用中需要更新，本人收集了最新的版本共30M，为提高上传速度分六次上传。文件名依次为TI_1到TI_6。希望大家设计电路板时少走弯路。由于在上传时找不到分类，所以归结为书籍一类-TI" s U.S. Treasury protel components, need to be updated in the application, I collected a total of up-to-date version of 30M, to improve the upload speed upload six hours. File name followed by TI_1 to TI_6. Hope that the design of circuit board less detours. From when can not find in the classification, it comes down to a class of books