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Description: 太阳能热水器智能控制,它以89C52单片机为核心，配合电阻型4档水位传感器、负温度系数NTC热敏电阻温度传感器、8255A扩展键盘和显示器件、驱动电路（电磁阀、电加热、报警）等外围器件， 完成对太阳能热水器容器内的水位、水温测量、显示等
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Size: 3072 |
Author: dropins |
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Description: 各类汇编基础代码 包括红绿灯控制、8255a控制等常用代码-Assembler code base, including various types of traffic light control, 8255a control and other commonly used code
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Size: 9216 |
Author: 李林 |
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Description: 51单片机外接8255A做成的交通灯程序及PROTEUS仿真结果(附对应C语言程序)-51 microcontroller external traffic light made of 8255 a and PROTEUS simulation results (with corresponding C language program)
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Size: 1024 |
Author: 小桥流水 |
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Description: 微机原理软件实验，8255A跑马灯，4种速度，16种灯型。已在实验中跑通。-Computer software principle experiment, 8255A marquees, four kinds of speed, 16 kinds of lamp types. In the experiments have been run through.
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Size: 1024 |
Author: Sloan_Hu |
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Description: 掌握并行接口芯片8255A的微机接口的连接方法。
掌握并行接口芯片8255A的工作方式及编程方法。-Parallel interface connection method 8255A chip microcomputer interface to master. Master parallel interface chip 8255A work and programming.
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Size: 214016 |
Author: pengxiaoru |
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Description: 利用8255A芯片，利用编程语言设计实现步进电机的转动方向和速度的调节，-Use 8255A chip using a programming language designed to achieve speed and direction of rotation of the stepper motor to adjust,
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Size: 267264 |
Author: 张小爽 |
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Description: 基于8086芯片和8255A芯片的实验设计，内含有汇编语言程序和protues仿真实验文件-8086 and 8255A experimental design chips based on the chip, containing assembly language programming and simulation files protues
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Size: 24576 |
Author: wuyanzu |
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Description: 过8255A读取键盘电平获得输入密码，与预设密码比较，进而实现开锁、报错功能，并控制数显管和指示灯做出相应变化。还可实现密码修改功能-8255A reading level over the keyboard to enter a password to get, compared with the default password, thus achieving unlocking, error function, and control the digital display tubes and LEDs make the appropriate changes. But also to achieve the cipher modification
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Size: 2048 |
Author: chen |
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Description: 。用8031单片机经8255A扩展2位8段码LED显示器，用8255A的A口作为段码（字形代码）数据口，PB0和PB1作为位控制端口。在位控制口加集电极开路的反相高压驱动器74LS06以提供驱动LED显示器所需的足够大的电流，然后接至各数码显示器的共阴极端。同理，在段码数据口集电极开路的正相高压驱动器74LS07提供足够大的电流，然后接到数码显示器的各段-Simple calculator needs 8 bit 2 segment code LED display circuit. With 8031 MCU by 8255A to extend the 8 bit 2 segment code LED display, with the A 8255A port as the segment code (font code) data port, PB0 and PB1 as a bit control port. In the position control port and an open collector of the reverse voltage driver 74LS06 to provide sufficient current to drive the LED display, and then connect to the common cathode of the digital display. Similarly, normal phase high voltage driver 74LS07 open circuit in the code segment data collector provide enough current, then each received digital display
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Size: 19456 |
Author: 萋萋 |
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Description: 一种应用系统外扩展接口芯片8255A.8253组成的微机系统接口的思路-The Application of a Microcomputer System Interface Based on External Expansion Interface Chip 8255A.8253
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Size: 10240 |
Author: 蒋育含 |
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Description: 微机原理实验四 并行I/O接口的拓展 了解并行接口的拓展方法，及8255A的工作原理、编程方法和使用方法-Microcomputer Principle Experiment 4 parallel I/O interfaces to expand the understanding of the parallel interface expansion method, and 8255A works, programming and use
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Size: 4096 |
Author: 罗旭 |
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Description: 用proteus实现对8255a芯片的流水灯仿真设计。(8255A simulation design)
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Size: 18432 |
Author: 3061813764
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Description: 可编程并行接口芯片8255A应用举例+protues仿真(Programmable parallel interface chip 8255A application example +protues simulation)
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Size: 39936 |
Author: JeanneWJ
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Description: 微机原理各类实验汇编程序，包括简单I/O口扩展、8255A 可编程并行口实验、步进电机、小直流电机等(Microprocessor-based assembly program of various kinds of experiment, including simple I/O port expansion, 8255A programmable parallel port experiment, stepper motor, small DC motor and so on)
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Size: 6144 |
Author: 曲率 |
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