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Description: keilc 使用8255可编程并行口芯片，设定为工作方式0， PA口做输入，PB口做输出，来检验八位拨动开关的状态，并控制八位发光二极管，使得八位发光二极管的亮灭变化与八位拨动开关的状态相一致。-keilc the use of 8255 programmable parallel port chip, set to work 0, PA I do enter, PB I do output, to verify the status of eight DIP switches and control eight light-emitting diodes, making eight LEDs light out of eight DIP switches and change the status line.
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Size: 66560 |
Author: 王媛媛 |
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Description: 微机8255并行口硬件实验
8255A的A口作为输入口，与逻辑电平开关相连。8255A的B口作为输出口，与发光二极管相连。编写程序，使得逻辑电平开关的变化在发光二极管上显示出来。-8255 microcomputer parallel port hardware experiment 8255A mouth of A as input port, and logic-level switch connected. B-I as the 8255A output connected with the light-emitting diodes. Programming, logic-level switch allows the change in light-emitting diode display.
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Size: 3072 |
Author: jacklgl |
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Description: 使用CPLD7128，实现8255A功能-Use CPLD7128, the realization of the functional 8255A
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Size: 35840 |
Author: bluesky |
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Description: 8.1 可编程并行接口芯片8255A
8.2 可编程定时器/计数器芯片8253/8254
8.3 串行通信及可编程串行接口芯片8251A
8.4 模/数（A/D）与数模（D/A）转换技术
及其接口
-8.1 programmable parallel interface chip 8255A8.2 programmable timer/counter chip 8253/82548.3 serial communications and programmable serial interface chip 8251A8.4 analog/digital (A/D) and digital-to-analog (D/A ) converter technology and its interface
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Size: 13253632 |
Author: 麦克 |
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Description: 用8086，8255，8259和8254构造系统实现对指示灯控制。
8255的PA0，PA1,PA2的三位DIP开关，通过DIP开关的闭合状态决定接在
PB口上的八个指示灯之一闪烁。如PA2,PA1,PA0为000时，PB0上所接的指
示灯闪烁，其余灯熄灭。要求闪烁频率为每秒10次。设8259地址为20H和
21H，8255地址为60H～63H，8254地址为40H～43H,时钟频率为50KHz，
8259中断向量号为70H和71H.试设计硬件连接电路，填写中断向量表，编
写全部初始化程序，完成控制程序编写。-8086,8255,8259 and 8254 by tectonic system of light control. 8255 of PA0, PA1, PA2 three DIP switches, DIP switches, through the closed state in the PB I decided to take on one of the eight indicator light flashes. Such as PA2, PA1, PA0 for 000 hours, PB0 on the indicator light flashes then the remaining light extinguish. Requirements flicker frequency of 10 times per second. 8259 address 20H located and 21H, 8255 address 60H ~ 63H, 8254 address 40H ~ 43H, the clock frequency of 50KHz, 8259 interrupt vector number is 70H and 71H. Try to design hardware to connect the circuit to fill in Interrupt Vector Table, the preparation of all the early the beginning of the procedure to complete the preparation of control procedures.
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Size: 3072 |
Author: 林俊杰 |
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Description: 这一篇是暑期点子大赛培训时候学习msp430时关于8255的一些介绍与应用-This is a summer training ideas contest MSP430 when learning some of the time on the 8255 introduction and application of
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Size: 55296 |
Author: yangming |
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Description: 这是一个电子钟微机接口和控制课程设计，能显示分钟和秒，并且能够调整时间。用的是唐都系统中的8255A，8259，8253A -This is an electronic bell computer interface and control of curriculum design, can display minutes and seconds, and can adjust the time. Tangdu using System 8255A, 8259,8253 A
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Size: 4096 |
Author: zhangle |
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Description: 十字路口车辆穿梭，行人熙攘，车行车道，人行人道，有条不紊。那么靠什么来实现这井然秩序呢？靠的就是交通信号灯的自动指挥系统。交通信号灯控制方式很多。本系统采用MSC-51系列单片机ATSC51和可编程并行I/O接口芯片8255A为中心器件来设计交通灯控制器，实现了能根据实际车流量通过8051芯片的P1口设置红、绿灯燃亮时间的功能；红绿灯循环点亮，倒计时剩5秒时黄灯闪烁警示（交通灯信号通过PA口输出，显示时间直接通过8255的PC口输出至双位数码管）；车辆闯红灯报警；绿灯时间可检测车流量并可通过双位数码管显示。本系统实用性强、操作简单、扩展功能强-err
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Size: 128000 |
Author: 姚磊 |
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Description: 这是基于实验板的一个关于交通灯模拟的汇编程序，用于8255A芯片-This is based on the experimental board, a simulation of traffic lights on the compilation process, for 8255A chip
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Size: 1024 |
Author: 王良 |
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Description: ⒈ 了解交通灯管理的基本工作原理
⒉ 熟悉8259A中断控制器的工作原理和应用编程
⒊ 熟悉8255A并行接口的各种工作方式和应用
⒋ 熟悉8253计数器/定时器的工作方式及应用编程，掌握利用软硬件相结合定时的方法
-⒈ understand traffic lights management familiar with the basic working principle of ⒉ 8259A interrupt controller of the working principle and application programming 8255A ⒊ familiar parallel interface various working methods and applications ⒋ familiar with the 8253 counter/timer of the working methods and application programming, master regular use of a combination of hardware and software approach
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Size: 8192 |
Author: 谢家韧 |
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Description: 八个c源码,有单片机控制下的跑马灯,交通灯,ad转换,8255a等-Eight c source code, there are single-chip under the control of the marquees, traffic lights, ad conversion, 8255a, etc.
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Size: 4096 |
Author: zmy |
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Description: 电子琴课设源码，用8253和8255A的芯片-Electric piano lesson based source, the 8253 and 8255A chip
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Size: 1024 |
Author: xiaoyao |
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Description: 本系统采用MSC-51系列单片机ATSC51和可编程并行I/O接口芯片8255A为中心器件来设计交通灯控制器，实现了能根据实际车流量通过8051芯片的P1口设置红、绿灯燃亮时间的功能；红绿灯循环点亮，倒计时剩5秒时黄灯闪烁警示（交通灯信号通过PA口输出，显示时间直接通过8255的PC口输出至双位数码管）；车辆闯红灯报警；绿灯时间可检测车流量并可通过双位数码管显示。-The system uses the MSC-51 Series MCU ATSC51 and programmable parallel I/O interface chip 8255A-centric devices to design the traffic light controller, which can realize the basis of actual traffic flow through the P1 port 8051 chip set red, green fuel Liang time function traffic lights lit cycle, the countdown five seconds left when the yellow light flashing warning (traffic lights signal through the PA output, indicating the time directly through the PC port output 8255 to double-digit digital tube) vehicles闯红灯alarm green time can detect the flow through a double-digital tube display.
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Size: 131072 |
Author: eee |
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Description: 本系统采用MSC-51系列单片机ATSC51和可编程并行I/O接口芯片8255A为中心器件来设计交通灯控制器，实现了能根据实际车流量通过8051芯片的P1口设置红、绿灯燃亮时间的功能；红绿灯循环点亮，倒计时剩5秒时黄灯闪烁警示（交通灯信号通过PA口输出，显示时间直接通过8255的PC口输出至双位数码管）；车辆闯红灯报警；绿灯时间可检测车流量并可通过双位数码管显示。本系统实用性强、操作简单、扩展功能强。 -The system uses the MSC-51 Series MCU ATSC51 and programmable parallel I/O interface chip 8255A-centric devices to design the traffic light controller, which can realize the basis of actual traffic flow through the P1 port 8051 chip set red, green fuel Liang time function traffic lights lit cycle, the countdown five seconds left when the yellow light flashing warning (traffic lights signal through the PA output, indicating the time directly through the PC port output 8255 to double-digit digital tube) vehicles闯红灯alarm green time can detect the flow through a double-digital tube display. The system practical, simple operation, the expansion of strong functions.
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Size: 131072 |
Author: ljj |
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Description: 8255A单片机控制,可以实现彩灯A-Z，0-9数字控制-8255A SCM
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Size: 4096 |
Author: 陈小华 |
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Description: lcd1602+lcd12864+led+key 扩展，通过8255
proteus仿真通过 keil环境。调试了很久发现lcd的驱动还真是不容易-1.lcd1602+lcd12864+led+key 2.proteus3.keil2
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Size: 101376 |
Author: 贾宁 |
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Description: 电子琴的汇编语言实现，利用TPC-H实验箱上的8253实现二级分频，同时配合以8255A，与门和DAC0832，通过扬声器放音，实现两个八度音高（包括半音）的电子琴。在软硬件相互配合下，电子琴具有弹奏和播放已存乐曲的功能，音长可控，播放速度可选，拥有美观的图形界面模拟真实琴键，且琴键随弹奏有起伏变化。利用微机内部的8253，8255A和内置扬声器，与TPC-H实验板上的8255A和LED，实现节拍器，可产生长度和速度可控的2/4拍，3/4拍及4/4拍等，LED和内置扬声器同时对节拍进行提示。-Electronic organ of the assembly language implementation, the use of TPC-H test me on the 8253 frequency sub-2 implementation, in order to simultaneously meet the 8255A, with the door and DAC0832, playback through the speakers, both realize octave pitch (including half-tone) in Electronic organ. Hardware and software at each other under the Electronic organ has played and play has kept the function of music, sound long-controllable playback speed options, with aesthetically pleasing graphical interfaces simulate the real keys, and keys have their ups and downs playing with. The use of microcomputer internal 8253,8255 A and a built-in speaker, with the TPC-H test plate 8255A and LED, metronome implementation can have a controllable length and speed of 2/4 beat, 3/4 beat and 4/4 beat and so on, LED and built-in speaker at the same time on the beat to carry out prompt.
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Size: 34816 |
Author: 甘 |
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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.
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Size: 1024 |
Author: 伊川 |
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Description: 8255端口的应用：用8255 检测键盘，并在电脑屏幕显示-8255 using
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Size: 1024 |
Author: ldg |
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Description: 在多功能接口实验与开发平台上模拟汽车行驶控制系统，用编写的程序进行控制。4个前进挡和一个前进挡，状态分别用LED灯显示。用8255A控制小车行进，AD0809模拟油门。有由程序语言编写的相应控制界面（VC语言）。-Multi-function interface in the development of experimental and simulation platform vehicle control systems, the procedures used to prepare control. 4 forward block and a forward gear, the state of LED lights were displayed. 8255A control of road vehicle use, AD0809 analog throttle. Prepared by the programming language of the corresponding control interface (VC language).
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Size: 12288 |
Author: casa |
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