COE200experiment12 - Experiment 12 Experiment # 12 Traffic...

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Experiment 12 1 Experiment # 12 Traffic Light Controller Objectives ± Practice on the design of clocked sequential circuits. ± Applications of sequential circuits. Overview In this lab you are going to develop a Finite State Machine (FSM) for a traffic light controller that will control the operation of traffic lights at the cross road connection shown in Figure12.1. Figure 12.1: The three traffic light signals Road 3 Road 1 Road 2 S 3 S 1 S 2 Road 4 One-Way Street
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Experiment 12 2 Design Specifications There are three traffic light signals ( S 1, S 2, and S 3 ), each alternating between two states, RED and GREEN. These signals control the traffic flow on the three roads, road 1 , road 2 , road 3 in four possible states as follows. ± In STATE 1 , traffic coming through road 1 is allowed to go forward or left. ( S 1 = GREEN, S 2 = RED, S 3 = RED) ± In STATE 2 , traffic coming through road 2 is allowed to go forward or left. ( S 1 = RED, S 2 = GREEN, S 3 = RED) ± In STATE 3 , traffic coming through road 3 is allowed to go forward or left. ( S 1 = RED, S 2 = RED, S 3 = GREEN) ± In STATE 4 : no traffic coming from any road is allowed (All signals are RED)
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This note was uploaded on 11/14/2011 for the course DDDD h0322 taught by Professor Whoknow during the Spring '11 term at Bina Nusantara University.

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COE200experiment12 - Experiment 12 Experiment # 12 Traffic...

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