Description: Simulation of this experiment is located at the crossroads of major traffic lights, traffic lights at the crossroads of divided into two horizontal and vertical direction, each direction of traffic lights are above the red light, yellow light, green light three states. The relationship between them such as the state indicated in the table above. Above all the state is a continuous cycle of change can be achieved by the state machine, each state of the interval between the two in 10 seconds or so (the above board is the clock frequency of 50MHz). The three states of traffic lights on the board with the experiment said the three LED lights in both directions to use a total of six LED.
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jiAOTONGDENG.txt
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