mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-29 14:51:17 +00:00
31 lines
503 B
Verilog
31 lines
503 B
Verilog
|
|
/*
|
|
A clock divider in Verilog, using the cascading
|
|
flip-flop method.
|
|
*/
|
|
|
|
module clock_divider(
|
|
input clk,
|
|
input reset,
|
|
output reg clk_div2,
|
|
output reg clk_div4,
|
|
output reg clk_div8,
|
|
output reg clk_div16
|
|
);
|
|
|
|
// simple ripple clock divider
|
|
|
|
always @(posedge clk)
|
|
clk_div2 <= reset ? 0 : ~clk_div2;
|
|
|
|
always @(posedge clk_div2)
|
|
clk_div4 <= ~clk_div4;
|
|
|
|
always @(posedge clk_div4)
|
|
clk_div8 <= ~clk_div8;
|
|
|
|
always @(posedge clk_div8)
|
|
clk_div16 <= ~clk_div16;
|
|
|
|
endmodule
|