Description: 8255扫描键盘、显示程序
利用8255可编程并行口做一个扫描键盘实验，
把按键输入的键码，显示在由8279控制的七段数码管上。
8255PA口做键盘输入线，PB口作扫描线。-8255 scanning keyboard, display program using 8255 as a parallel port programmable keyboard scan experiment, the button input keys code, displayed in the control of the team respectively by 8279 digital tube. 8255PA I do keyboard input line, PB mouth for scan line. Platform: |
Size: 1024 |
Author:zhuzhijing |
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Description: 8255扫描键盘、显示程序 A- a^n18
利用8255可编程并行口做一个扫描键盘实验，把按键输入的键码，显示在由8279控制的七段数码管上。
8255PA口做键盘输入线，PB口作扫描线。-8255 scanning keyboard, display program A-a ^ n18 programmable parallel port to use 8255 to do a keyboard scan experiment, the button input keys code, displayed in the control of the team respectively by 8279 digital tube. 8255PA I make the keyboard input line, PB mouth for scan line. Platform: |
Size: 2048 |
Author:stevanye |
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Description: 通过8255拓展矩阵键盘，并加了LCD显示程序，完成了人机接口操作-Through 8255 to expand the matrix keyboard and LCD display program was added to complete the man-machine interface operation Platform: |
Size: 2048 |
Author:kevin |
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Description: 8255扫描键盘、显示程序
利用8255可编程并行口做一个扫描键盘实验，
把按键输入的键码，显示在由8279控制的七段数码管上。
8255PA口做键盘输入线，PB口作扫描线。-8255 scanning keyboard, display program using 8255 parallel port programmable keyboard to do a scan experiment, the button input keys code, displayed in the control of the team respectively by 8279 digital tube. 8255PA I make the keyboard input line, PB mouth for scan line. Platform: |
Size: 1024 |
Author:chenjianyu |
Hits:
Description: 电子选择器，是利用TND－MD教学系统实现的，用来作为特定场合投票机器统计使用。所用到的芯片主要有8253定时计数器、8255A并行接口电路芯片等。使用时，用户用键盘输入A，B，C，D这四个字母中的一个来作为已经选择的项目，程序将在屏幕上对应显示已经选择的“A,B,C或者D”，并且通过控制扬声器，发出对应的频率声音信号，同时相对应的LED灯也对应发光，以便于位于远处的计票员进行远程计票。-Electronics selector is the use of TND-MD teaching system implementation, and used as a specific occasion the use of voting machines and Statistics. Used by the main chip has 8253 regular counters, 8255A parallel interface circuit chips. When used, the user with keyboard input A, B, C, D in these four letters as a selection of projects has been, the program will display on the screen has been chosen corresponding to " A, B, C or D" , and through control speakers, the issue of the corresponding frequency of the voice signal, while the corresponding LED lights also light-emitting counterparts, so far located in remote tellers tellers. Platform: |
Size: 1024 |
Author:伊川 |
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Description: 用8086和8255实现的交通灯控制，该题为中南大学的微机课程设计，包括c语言和汇编的源代码。功能：（1）、编程语言为C语言和汇编语言；
（2）、硬件电路基于80x86微机接口；
（3）、程序功能要求：小键盘给定、数码管（屏幕）显示；
（4）、具备急救车应急响应功能和时间倒计时显示功能。
-8086 and 8255 with the implementation of the traffic light control, the computer program entitled Design of Central South University, including the c language and assembly source code. Features: (1), programming languages, C and assembly language (2), 80x86-based computer interface hardware (3), the program functional requirements: small keyboard for a given digital tube (screen) display (4), emergency response capabilities with emergency vehicles and the time countdown display. Platform: |
Size: 1059840 |
Author:徐清明 |
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Description: 设计一串口通信程序，波特率9600，通过RS232串口自环。自动循环发送数据串（设计在程序中）接收并存储和显示该数据串发送数据内容由键盘输入，每串数据不大于8字节。数据串单次发送由按键启动，接收端显示数据串并存储。可查询、清楚已存数据串-The design of a serial communication program, baud rate 9600, through the RS232 serial ring. Automatic cycle to send data string (design program) to receive and store and display the contents of the data string to send data from the keyboard input, each string of data is not greater than 8 bytes. Series of single data sent by the button to activate the receiving end to display the data string and stored. Query, clear existing data string Platform: |
Size: 25600 |
Author:gonglingjun |
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Description: 编写一个交通灯控制程序，实现东西路口与南北路口状态灯的转换和紧急处理。采用8253芯片计数，输出1S的时钟脉冲，并使用8255接口芯片控制LED亮灭，同时让8279芯片显示倒计时，键盘控制紧急处理按键，以此实现交通灯指挥控制系统。-Write a traffic light control program, the conversion of the things the intersection with the north and south of the intersection status lights and emergency treatment. 8253 count output 1S the clock pulse, and use the 8255 interface chip to control the LED light off, while the 8279 display the countdown, keyboard control emergency processing keys, command and control systems in order to achieve the traffic lights. Platform: |
Size: 12288 |
Author:chen |
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Description: 采用8255扩展单片机IO口，程序实现了键盘按下一个数，在数码管上显示，再次按下键盘，数码管的数会左移，可以显示6位按下的数，可以扩展作为一个密码显示功能-Using 8255 microcontroller IO port expansion program to achieve the keyboard by pressing a number on the digital display, the keyboard is pressed again, the number of digital will be to the left, you can display the number 6 is pressed, the display can be extended as a password Features Platform: |
Size: 87040 |
Author:东东 |
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Search - program keyboard 8255