此程序为键盘接口芯片程序，适合与avr单片机上，已经修改调试过...

96/196单片机的C语言例程-stable SCM C Language Programming

单片机4×8矩阵键盘的源程序，可以直接使用，并可以选择松手返回和不松手返回-Single-chip 4 × 8 matrix keyboard source code can be used directly, and can choose to let go to return and the return of不松手

直接频率合成技术dds，开发环境Silicon Laboratories，经测试有用-Direct frequency synthesis dds, development environment, Silicon Laboratories, have been tested and useful

ADC0809是带有8位A/D转换器、8路多路开关以及微处理机兼容的控制逻辑的CMOS组件。它是逐次逼近式A/D转换器，可以和单片机直接接口。 -ADC0809 is an 8-bit A/D converter, 8-way multi-switch and microprocessor compatible control logic of the CMOS components. It is a successive approximation type A/D converter, single chip can interface directly.

Proteus仿真实例，在Proteus下仿真按键，非常不错，值得下载。-Proteus simulation example, in Proteus Simulation button, very good, it is worth downloading.

C51常用字程序，单片及开发中的常用程序，缩小巧但很实用，而且包括的面很广，有很强的借鉴价值！-C51 characters commonly used procedures, and development of a single common procedures, and narrow the cleverest but very useful, but also the broad-based and has a strong reference value!

AVR单片机开发典型实例 包含源码 电路 图片 -Typical examples of single-chip AVR development contains source circuit picture

用89c2051模拟产生dtmf信号，广泛用于防盗报警、电话数据传输等；节省发号及收号电路，成本低。-with 89c2051 simulation of DTMF signals, widely used in anti-theft alarm, telephone data transmission; Savings and resumption of the circuit, and low cost.

教会你PICc的编程技巧，包括PIC的汇编与c，以及一些函数，高效编程技巧-church you PICc programming skills, including the compilation and PIC c, and some function, efficient programming skills

--- -initial--- - MOVLA 00H IODIR PA IODIR PB IODIR PC MOVAM PA MOVAM BSR MOVAM STATUS MOVAM TMR0 MOVAM TMR1 MOVAM TMR2 ----------------------- MOVLA AAH 写入RAM的数据 MOVAM 08H MOVAM 09H MOVAM 0AH MOVAM 0BH MOVAM 0CH MOVAM 0DH MOVAM 0EH MOVAM 0FH MOVAM 10H MOVAM 11H MOVAM 12H MOVAM 13H ------------ MOVLA 00H IODI R PA IODIR PB IODIR PC MOVAM PA MOVAM BSR MOVAM STA TUS MOVAM TMR0 MOVAM TMR1 MOVAM TMR2----------------------- MOVLA initials into the RAM data MOVAM 08H MOV 7 AM MOVAM 0AH MOVAM 0BH MOVAM 0CH MOVAM 0DH MOV AM 0EH MOVAM 0FH MOVAM 10H 12H MOVAM 11-H MOVAM MOV AM 13H