89s51' s 9AT24C02 bus testing procedures

实现高级电子琴的程序，并实现若干扩展功能。 基本功能：用8257键盘输入对应的七个音阶，通过实验箱的喇叭发出声音，并通过七段数码管显示输入音阶； 扩展功能：1、录音：记录所弹奏曲目 2、放录音：任意时刻重放最新记录曲目 3、在程序中可预设一曲目，按一键实现播放该曲目。 4、在播放录制曲目或预设曲目时，按8279键盘上任意键可以暂停播放，再按一次从暂停处继续播放。 5、程序运行时有友好的用户介面 -Realize high-level organ of the process and realize a number of extensions. Basic functions: keyboard 8257 corresponds with the seven scale, through experimental sound speaker boxes, and through Seven-Segment LED display input scale the expansion of functions: one, sound recording: Record the playing pieces 2, released recordings: any time replay music 3-to-date records, in the proceedings may be the default one track, according to realize one key to play the tracks. 4, recording tracks in the player or the default program, press any key on the keyboard 8279 can pause playback, press once again to continue from the suspended players. 5, is running friendly user interface

用汇编语言设计键盘打字程序，通过微机中的8255/8253/8259芯片的控制来实现-Assembly language using the keyboard typing the design process, through 8255/8253/8259 chip microcomputer in the control to achieve

本设计的内容是使用89C51RC单片机最小系统设计频率计系统，系统以单片机为主控单元，主要用于对方波频率的测量。 -The content of this design is the use of the smallest single-chip system design 89C51RC frequency of the system, a single chip for the main control unit, mainly for the other side of the measurement frequency.

FAT16 磁盘格式引导程序(ASM)-FAT16 disk format guide (ASM)

关于接口课程实验的一个源代码,需要有相关的实验平台配合使用-courses on the interface of an experimental source code, the need for the combined use of experimental platform

Abstract A new intelligent milometer base on a microcontroller can count the sum. By taking full use of the processor 89s51 and E² PROM (AT24C02) and sensor of magnetism, it can count the sum of fully distance and the course of development.

利用单片机ATC51和汇编语言来实现交通灯。其中有PROTUES仿真图，和汇编语言来实现的程序。-The use of microcontrollers and assembly language to achieve ATC51 traffic lights. Which PROTUES simulation map, and assembly language to implement procedures.

The Burr-Brown s ADS1252 support for PIC16 microcontroller

实现CAN总线的接收,发送,故障处理,处理器采用的是STC89C58RD,是中央空调控制系统的下位机程序的一部分.-CAN Bus receive, send, fault handling, the processor is STC89C58RD. central air-conditioning control system of the next crew part of that process.

基于asm汇编语言实现的是在pc系统中int9中断功能的部分示例,只在说明机制,进行学习,不能实际应用-asm compilation based on the language of the pc systems int9 interrupts some examples of the notes only mechanism for learning, not actual application