fenpin500.v

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

module fenpin500(clk,rst,clk_divi);
input    clk,rst;
output   clk_divi;
reg      clk_divi;
reg[8:0] cnt;

always @(posedge clk or negedge rst)
begin
if(!rst)
cnt<=9'b0;
else if(cnt==9'b111110011)
cnt<=9'b0;
else
cnt<=cnt+9'b000000001;
end

always @(posedge clk or negedge rst)
begin
if(!rst)
clk_divi<=1'b0;
else if(cnt>9'b011111001)
clk_divi<=1'b1;
else
clk_divi<=1'b0;
end

endmodule