USART在单片机里的通用c程序，保证好用

实现MIFARE卡操作的RC531源代码。-A RC531 Source Code for MIFARE card operations.

段码LCD驱动控制器HT1621的C51程序-Code segment LCD driver controller of the C51 program HT1621

多通道AD转换演示程序 MCU:MEGA8 晶振:内部RC(INT) 8MHZ -Multi-channel AD converter demo MCU: MEGA8 Oscillator: Internal RC (INT) 8MHZ

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

msp430f449的文件 很有用的-MSP430F449 useful documents

AT89c2051控制9200b发双音频码用8870解码并将BCD码返回AT89C2051,然后比较的源代码和Hex文件。-AT89c2051 Two-control 9200b audio decoder yards with 8,870 and will return to BCD AT89C2051, then compare the source code and Hex documents.

C51中的指针应用之二.rar-C51 target of Application 2. Rar

我的HBS通讯程序范例，使用无极性通讯，压缩文件内有详细的说明。-my HBS communication procedures example, the use of limitless sexual communication, compressed paper a detailed explanation.

I2C接口AD转换器ADS11XX的应用，c51原代码调试通过，放心使用。-I2C interface AD converters ADS11XX application decoder source code debugging through reassured use.

2004计算机专业单片机微型打印机接口-2004 computer professional SCM Micro Printer interface