用verilog写一个整点报时功能的程序
时间: 2023-12-01 13:03:46 浏览: 63
纯verilog开发的数字时钟系统,clock带闹钟,带整点报时,上下午显示,1224小时制,报整点时数
好的,以下是使用Verilog编写整点报时功能的简单程序:
```
module clock(input clk, output reg [3:0] hour, output reg [3:0] minute, output reg [3:0] second);
reg [3:0] count_hours = 0;
reg [5:0] count_minutes = 0;
reg [5:0] count_seconds = 0;
always @(posedge clk) begin
count_seconds <= count_seconds + 1;
if(count_seconds == 60) begin
count_seconds <= 0;
count_minutes <= count_minutes + 1;
if(count_minutes == 60) begin
count_minutes <= 0;
count_hours <= count_hours + 1;
if(count_hours == 24) begin
count_hours <= 0;
end
end
end
end
always @(posedge clk) begin
if(count_seconds == 0 && count_minutes == 0) begin
hour <= count_hours;
end
if(count_seconds == 0) begin
minute <= count_minutes;
end
second <= count_seconds;
end
endmodule
```
该程序中,我们使用了Verilog来实现一个时钟模块,其中包括了小时、分钟和秒钟三个输出信号。时钟模块的原理大致如下:当时钟上升沿触发时,每个计数器递增1。每当秒计数器值达到60时,秒计数器复位并递增分钟计数器。当分钟计数器值达到60时,分钟计数器复位并递增小时计数器。当小时计数器值达到24时,小时计数器复位。
接着在另一个always块中,我们通过判断秒和分钟是否归零来获取当前小时和分钟的值,并将值发送到相应的输出端口上,最后秒输出确定为当前秒值。
希望这个程序能够帮到你!如果有任何问题,请告诉我。
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