a series of 51 manuals for the MCU, very good!

单片机中的定时器模块，在CVAVR中已实现。-MCU timer module has been achieved in CVAVR.

51单片机开发的N多实例及程序，程序包括汇编及C-N the development of 51 single-chip multi-instance and procedures, including procedures for the compilation and C

读招行，建行，工行类磁卡信息 可以正反刷卡源程序-Reading Merchants Bank, China Construction Bank, ICBC type of magnetic card information can be both positive and negative source

该程序为USB HUB程序，其作为开发USB HUB类型的产品很有帮助。-procedures for the USB hub procedures, as the development of types of USB hub products helpful.

MCS51系列单片机实现的16X2的LCD的数据显示-MCS51 MCU series of 16X2 LCD data

采用串行接口实现Boot_load应用的实例 -Using a serial interface Boot_load Examples of applications

单片机实现以太网接口 有详细的原理图和代码-Realize single-chip Ethernet interface has detailed schematics and code

nec16位单片机读U盘播放MP3源码，接口芯片采用CH375，解码芯片MA8201。-Reading nec16-bit single-chip U disk MP3 player source code, interface chip CH375, decoder chip MA8201.

本文介绍了两种分频系数为整数或半整数的可控分频器的设计方法。其中之一可以实现50％的奇数分频。利用VHDL语言编程，并用QUARTERS||4.0进行仿真，用 FPGA 芯片实现。 关键词：半整数，可控分频器，VHDL, FPGA -This article describes two kinds of sub-frequency coefficient is an integer or half-integer divider controllable design method. One of them can achieve 50 of the odd-numbered sub-frequency. The use of VHDL language programming, and QUARTERS | | 4.0 simulation, using FPGA chip. Key words: semi-integer, controllable divider, VHDL, FPGA

可以对microchip的Keeloq编码IC：hcs300-301解码的源程序-Keeloq the microchip can be encoded on the IC: hcs300-301 of the source decoder