非接触式IC卡读写器,Mifare 1非接触式IC卡读写核心模块MCM2

本程序主要通过外部中断INT0及3.3端口读取PS2键盘值并通过LCD1602显示，键扫描码的解码通过数组方式解码，程序的解码功能主要针对数字及大小写字母和常用标点符号 硬件描述：PS2键盘的时钟线（clk）接89S51的INT0（P3.2）,数据线data接（P3.3） LCD的控制端口分别为： RS = P2^7，RW = P2^6，EP = P2^5，数据端口为P0，液晶显示偏压VL必须接 -This procedure mainly through external interrupt INT0 and 3.3 read PS2 keyboard port value through LCD1602 display, key scan code decoder way through an array of decoding, the procedure for decoding function of the major figures and upper and lower case letters and punctuation marks commonly used hardware description: PS2 keyboard clock line (clk) then 89S51 the INT0 (P3.2), data lines data access (P3.3) LCD control port, respectively: RS = P2 ^ 7, RW = P2 ^ 6, EP = P2 ^ 5, data ports for the P0, LCD bias VL must be received

单片机 AT89C52 的中文资料 适合新手 学习！重要基础单片机资料-SCM AT89C52" s Chinese data suitable for novice to learn! An important foundation for SCM information

BTF020实验程序-1 btf020开发板自带-Experimental procedures BTF020 development board comes with-1 btf020

ATMEGA128的LED驱动程序，对自己编写端口驱动的同志有很大的帮助！-ATMEGA128 the LED driver, port driver of their comrades in the preparation of great help!

Avr Architecture description of instruction execution procedures.

在cygnal020开发板下的lcd（菜单）部分显示程序设计，利用数据表的结构，将菜单设计方法简化，便于菜单项修改。但是占用存储空间较大。-In cygnal020 under development board lcd (menu) of the display program design, use of the data table structure design methods to simplify the menu, easy to modify menu items. However, larger storage space occupancy.

MCS-51智能反编译器。可将51单片机的bin或hex文件反编译为汇编码。仅用于学习用途，否则后果自负。-MCS-51 Intelligent compiler. May 51 SCM bin hex or documents compiled for the Department of Anti-coding. For learning purposes only, otherwise the consequences conceited.

代码大全，给我们提供了大量的单片机程序，除了学习外，还可缩减我们的开发时间-code Daquan, to provide us with a lot of SCM procedures, in addition to learning, we could reduce the development time

C51源代码，详细单片机C语言源码！包含大量C语言源程序。-C51 source code, detailed single-chip C language source code! Contains a large amount of C language source code.

红外遥控键值解码1602液晶显示（汇编语言），是红外遥控研究的必备基础-Infrared remote control key decoder 1602 liquid crystal display (assembly language) is the infrared remote-control study based on the essential