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本程式為並列flash ROM之控制程式, 可將flash rom的資料讀出後, 經過CPLD controller將圖檔轉成VESA影像訊號, 輸出至螢幕, 本程式已經過硬體驗證-the parallel program for controlling flash ROM programs, rom flash can be read out information, After drawing CPLD controller will turn into VESA video signal
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在大功率DC/DC开关电源中,为了获得更大的功率,特别是为了得到大电流时,经常采用N个单元并联的方法。多个单元并联具有高可靠性,并能实现电路模块标准化等优点。然而在并联中遇到的主要问题就是电流不均,特别在加重负载时,会引起较为严重的后果。普通的均流方法是采取独立的PWM控制器的各个模块,通过电流采样反馈到PWM控制器的引脚FB或者引脚COMP,即反馈运放的输入或者输出脚来调节输出电压,从而达到均流的目的。显然,电流采样是一个关键问题:用电阻采样,损耗比较大,电流放大后畸变比较大;用电流传感器成
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a parallel output controller(handshake protocol)
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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 para
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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 a
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parallel output controller
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实现简单CPU功能的源码,可以实现加减乘除和移位功能,VHDL代码,程序运行在MAX PULS和Quartua上。-The purpose of this project is to design and simulate a parallel output controller (POC) which acts an interface between system bus and printer. The Altera’s Maxplus Ⅱ EDA tool is recommended
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以Intel 8086CPU为主控制器,设计出具有测量和报警功能的温度控制系统,且温度输出采用数字LCD显示,与传统的温度计相比,具有读数方便,测温范围广,测温准确等优点,可用于科研实验室使用;运用所学基础知识,由实验箱电位器旋钮模拟外部温度传感器(输入为0-100℃),AD0809转换芯片实现模拟量与数字量的转换,选通8255A、74LS273接口芯片扩展CPU并行接口,结合中文液晶显示模块ocmj2*8LCD实现温度可观性,且采用8086汇编作为开发语言进行软件编程,将各环节连贯实现。-Wi
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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 MSC-51 Series Microcontroll
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The purpose of this project is to design and simulate a parallel output controller (POC)
which acts an interface between system bus and printer. The Altera’s Maxplus II
EDA tool is recommended and provided for simulation.-A parallel output con
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并行接口8255,定时/计时器8253,中断控制器8259A与计算机相连,通过8253产生1Hz的方波,并编程得到计时器,然后利用8259的中断功能和8255的并口输出数据功能做了一实时操作系统,来模拟十字路口交通灯的模拟-8255 parallel interface, timer/timer 8253, 8259A interrupt controller connected to a computer, by 8253 produce 1Hz square wave, and progra
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用VHDL语言设计的poc (并行输出控制器) 用法:中断模式 和 查询模式-Using VHDL language design poc (parallel output controller) Usage: interrupt mode and query mode
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系统总线与打印机之间的借口:并行输出控制器POC的设计。涉及POC与CPU,POC与printer之间的握手操作。-Between the system bus and an excuse for the printer: parallel output controller POC design. Involved in POC and CPU, POC and the printer handshake between the operations.
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The internal circuit of the simulated printer module, in a students course design - A parallel output controller (POC) .-The internal circuit of the simulated printer module, in a students course design - A parallel output controller (POC) .
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并行输出控制器,实现CPU与打印机之间的通信,程序基于VHDL语言,内附完整实验报告与仿真图像-The purpose of this project is to design and simulate a parallel output controller (POC)which acts an interface between system bus and printer. The Altera’s Quartus II EDA tool is recommended and provid
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基于VHDL的并口控制器,用于实现CPU与打印机之间的通信。-A parallel output controller
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The purpose of this project is to design and simulate a parallel output controller (POC)
which acts an interface between system bus and printer. The Altera’s Maxplus II
EDA tool is recommended and provided for simulation.
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用VHDL语言设计一个并行输出控制器POC,作为系统总线个打印机的借口-The purpose of this project is to design and simulate a parallel output controller(poc) which acts an interface between system bus and printer. The Altera’s Maxplus II EDA tool is recommended and provided for simul
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设计一个并行输出控制器,可以连接系统总线和打印机- The purpose of this project is to design and simulate a parallel output controller (POC) which acts an interface between system bus and the printer.
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POC is one of the most common I/O modules, namely the parallel output controller. It plays the
role of an interface between the computer system bus and the peripheral (such as a printer or other
output devices).-A parallel output controller
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