7/21/2019 count (2)

http://slidepdf.com/reader/full/count-2 1/1

module counter(clk,en,rst,read,write);

input clk,rst,en;

output read,write;

always@(posedge clk)beginif(rst)count<=4'd0;else if if(en)count<=count+1'd1;else'count<=4'd0;endendmoulde

/**********************************************count********************************/module counter(clk,en,rst,read,write);

input clk,rst,en;

output read,write;

reg[1:0] count;

always@(posedge clk)beginif(rst)count<=4'd0;else if(en==1)count <= count+1'd1;else if(en==0)count <= count+1'd1;elsecount<=4'd0;

endendmodule