2021年4月25日 星期日

HBLbits_Verilog Basic_Edgedetect2

HBLbits_Verilog Basic_Edgedetect2

For each bit in an 8-bit vector, detect when the input signal changes from one clock cycle to the next (detect any edge). The output bit should be set the cycle after a 0 to 1 transition occurs.

Here are some examples. For clarity, in[1] and anyedge[1] are shown separately


module top_module (
    input clk,
    input [7:0] in,
    output [7:0] anyedge
);
    reg [7:0] d;
    always@(posedge clk) begin
        d <= in;
        anyedge <= d^in;
    end
endmodule

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