另外一个人事管理系统　有不错的功能 可供大家一起研究的

Altera 2009年时序分析ppt。强烈推荐！-Altera 2009 Timing Analysis

本文主要介绍了利用RS232和CAN总线协议转换组建CAN控制网络

this document is very important for vhdl code

广西证券电子商务系统方案建议书 V1.08-Guangxi Securities E-commerce System proposals V1.08

带串行控制的10位模数转换器TLC1549在8051系统中的应用-with serial control of the TLC1549 10 Analog to Digital in 8051 System of

详细讲述嵌入式系统构建的全过程，使用u－boot作为bootloader，2.6版本的linux作为系统内核，详细而深入，强-detail Embedded System Construction of the entire process, Use u-boot as Bootloader, the 2.6 version of Linux as the kernel. detailed and in-depth, strong!

UCOS在ARM7,4510B上的实现,很适合初学者学习-UCOS in ARM7, 4510B on the realization that learning is very suitable for beginners

简易无线电遥控系统利用高频载频信号将调制信号经由发射端天线送出，在接收端经接收天线接收，再经过解调和解码恢复原信号用来控制发光二极管的亮灭。--Radio remote control system easy to use high-frequency modulated signal carrier frequency signal sent by the transmitter antennas, at the receiving end through the receiving antenna, and then through the demodulation and decoding to restore the original signal is used to control the brightness light-emitting diodes eliminate.--

borland的uml设计包-the uml design package

所谓短信猫，其实是一种工业级级GSM MODEM，通过串口与计算机连接，可以通过AT 指令控制进行短信收发的设备。国内目前应用较多的短信猫，都是以SIEMENS 或WAVECOM 模块为核心组装而成的，与普通手机相比更为稳定高效。-The so-called SMS cat is a kind of industrial-level GSM MODEM, connected through the serial port and the computer can be carried out through the AT commands to control the device to send and receive text messages. At present the application of the domestic cat more messages are to WAVECOM module SIEMENS or assembled at the core, and more stable compared to the ordinary high-performance mobile phones.