文件名称:Traffic-light-design
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- 上传时间:2012-11-16
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(1) 能显示十字路口东西、南北两个方向的红、黄、绿的指示状态;
• 用两组红、黄、绿三色灯作为两个方向的红、黄、绿灯,能实现正常的倒计时功能;
• 用两组数码管作为东西和南北方向的到计时显示,显示时间为红灯55秒、绿灯50秒、黄灯5秒;
*(2) 按S1键后,能实现特殊状态功能:
• 显示到计时的两组数码管闪烁;
• 计数器停止计数并保持在原来的状态;
• 东西、南北、路口均显示红灯状态;
• 特殊状态解除后能继续计数。
(3) 能实现总体清零功能按下SB键后,系统实现总清零,计数器由初始状态计数,对应状态的指示灯亮;
(4) 用VHDL语言设计符合上述功能要求的交通灯控制器,并用层次化设计方法设计该电路;
(5)控制器、置数器的功能用功能仿真的方法验证,可通过有关波形确认电路设计是否正确;
*(6)完成电路全部设计后,通过系统实验箱下载验证设计课题的正确性。
-(1) to show intersections east and west in both directions of the red, yellow, green indicates the state
• Use two sets of red, yellow, and green lights as the two directions of red, yellow, green, countdown to achieve normal function
• Digital control with two north-south direction as to the things and time display, time display a red light 55 seconds, 50 seconds green, yellow 5 seconds
* (2) Press the S1 key, to achieve a special state function:
• Display to the timing of the two sets of digital flash
• The counter stops counting and remains in its original state
• east and west, crossing all red light status
• Special lifting of the state can continue to count.
(3) to achieve the overall SB Clear function key pressed, the system achieved a total cleared, the counter counts from the initial state, the corresponding status indicator light
(4) using VHDL language design meets the functional requirements of the traffic light co
• 用两组红、黄、绿三色灯作为两个方向的红、黄、绿灯,能实现正常的倒计时功能;
• 用两组数码管作为东西和南北方向的到计时显示,显示时间为红灯55秒、绿灯50秒、黄灯5秒;
*(2) 按S1键后,能实现特殊状态功能:
• 显示到计时的两组数码管闪烁;
• 计数器停止计数并保持在原来的状态;
• 东西、南北、路口均显示红灯状态;
• 特殊状态解除后能继续计数。
(3) 能实现总体清零功能按下SB键后,系统实现总清零,计数器由初始状态计数,对应状态的指示灯亮;
(4) 用VHDL语言设计符合上述功能要求的交通灯控制器,并用层次化设计方法设计该电路;
(5)控制器、置数器的功能用功能仿真的方法验证,可通过有关波形确认电路设计是否正确;
*(6)完成电路全部设计后,通过系统实验箱下载验证设计课题的正确性。
-(1) to show intersections east and west in both directions of the red, yellow, green indicates the state
• Use two sets of red, yellow, and green lights as the two directions of red, yellow, green, countdown to achieve normal function
• Digital control with two north-south direction as to the things and time display, time display a red light 55 seconds, 50 seconds green, yellow 5 seconds
* (2) Press the S1 key, to achieve a special state function:
• Display to the timing of the two sets of digital flash
• The counter stops counting and remains in its original state
• east and west, crossing all red light status
• Special lifting of the state can continue to count.
(3) to achieve the overall SB Clear function key pressed, the system achieved a total cleared, the counter counts from the initial state, the corresponding status indicator light
(4) using VHDL language design meets the functional requirements of the traffic light co
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