Countbcd

exams/ece241_2014_q7bPrevious

Build a 4-digit BCD (binary-coded decimal) counter. Each decimal digit is encoded using 4 bits: q[3:0] is the ones digit, q[7:4] is the tens digit, etc. For digits [3:1], also output an enable signal indicating when each of the upper three digits should be incremented.

You may want to instantiate or modify some one-digit decade counters.

Module Declaration

module top_module (
    input clk,
    input reset,   // Synchronous active-high reset
    output [3:1] ena,
    output [15:0] q);

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countbcd

exams/ece241_2014_q7bPrevious

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Countbcd

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Module Declaration

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