blob: b4dfe08fe190d8b061a674af669501e17eee3dcb [file] [log] [blame]
// Ross Thompson
// September 20, 2019
// Oklahoma State University
// General purpuse up counter
// Specify the number of bits, automatically wraps around
// to zero.
module counter
#(parameter WIDTH = 32)
(input clk,
input areset,
input enable,
input load,
input [WIDTH-1:0] count_in,
output [WIDTH-1:0] count_out);
wire [WIDTH-1:0] count_d;
wire [WIDTH-1:0] count_p1;
wire en;
flopenr #(WIDTH) register(.clk(clk),
assign count_p1 = count_out + 1'b1;
assign count_d = load ? count_in : count_p1;
assign en = enable | load;