Files
iceFun_Projects/blinky/blinky.v
2020-10-23 12:48:46 -05:00

20 lines
506 B
Verilog

`default_nettype none
module blinky(i_clk, o_led, lcol1);
parameter WIDTH = 24;
input wire i_clk;
output wire o_led;
output wire lcol1;
reg [WIDTH-1:0] counter;
always @(posedge i_clk)
counter <= counter + 1'b1;
assign o_led = counter[WIDTH-1]; // normal, symmetrical blinking
// assign o_led = ~(&counter[WIDTH-1:WIDTH-3]); // short on, long off (strobe)
// assign o_led = ~(counter[5:0] < counter[WIDTH-1:WIDTH-6]); // PWM, dimmer
assign lcol1 = 1'b0;
endmodule