fenpin2.v

基于ATEREAL EPM1270T144C5N CPLD 压力传感器数据采集源码 开发软件 Quartus II

module fenpin2(clk,rst,clk_divi);
input    clk,rst;
output   clk_divi;
reg      clk_divi;
reg[1:0] cnt;

always @(posedge clk or negedge rst)
begin
if(!rst)
cnt<=2'b0;
else if(cnt==2'b01)
cnt<=2'b0;
else
cnt<=cnt+2'b01;
end

always @(posedge clk or negedge rst)
begin
if(!rst)
clk_divi<=1'b0;
else if(cnt>2'b0)
clk_divi<=1'b1;
else
clk_divi<=1'b0;
end

endmodule