基于MSP430F13X系列16位单片机，实现的软件IO方式模拟I2C协议的C源码，已编译通过，并经过实际测试。希望对各位做嵌入式开发的朋友有所帮助。...

铁电存储器FM25CL64 的C51 编程。-Ferroelectric RAM FM25CL64 the C51 programming.

12" LCD iniotial +SSD1289IC-12" LCD iniotial+SSD1289IC

8019和51单片机的接口电路-8019 and 51 MCU Interface Circuit

C8051F控制网卡芯片实现网络通信功能。显示出第三代51单片机的强大之处-C8051F control card chip network communication functions. Show that the third generation of powerful 51 SCM"s Office

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

LT_1B msp430开发板例子程序－UART_U24-LT_1B msp430开发板例子程序－UART_U2400

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一个对4X4数字键盘进行行&列扫描,获取扫描码的程序,支持符合键,串键,软件去抖.-one pair of 4x4 digital keyboard ranks scanning, access code scanning procedures, with key support and collaborate keys, software to tremble.

ISP的下载使用，对硬件的开发很有用的东西，-ISP download use, the development of hardware useful things

修改后的PDIUSBD12完整固件源码，实现51单片机的USB接口，完全通过测试。-revised PDIUSBD12 integrity of the firmware source code, achieving 51 SCM"s USB port and fully tested.