1
0
mirror of https://github.com/aolofsson/oh.git synced 2025-01-30 02:32:53 +08:00
oh/common/hdl/pulse2toggle.v

38 lines
579 B
Coq
Raw Normal View History

2015-05-01 17:13:21 -04:00
module pulse2toggle(/*AUTOARG*/
// Outputs
out,
// Inputs
clk, in, reset
);
//clocks
input clk;
input in;
output out;
//reset
input reset; //do we need this???
reg out;
wire toggle;
//if input goes high, toggle output
//note1: input can only be high for one clock cycle
//note2: be careful with clock gating
assign toggle = in ? ~out :
out;
always @ (posedge clk or posedge reset)
if(reset)
out <= 1'b0;
else
out <= toggle;
endmodule // pulse2toggle