计时器日历及时间设计Verilog代码VIVADO仿真

名称：计时器日历及时间设计Verilog代码VIVADO仿真

软件：VIVADO

语言：Verilog

代码功能：

计时器日历及时间

基本要求：计时显示日历，年/月/日/时/分/秒/百分秒。

提示：

计时器计算设计，年/月/日的日历查找表。

FPGA代码Verilog/VHDL代码资源下载：www.hdlcode.com

演示视频：

设计文档：

1. 工程文件

2. 程序文件

ROM IP 核

3. 程序编译

4. RTL图

5. 仿真文件（testbench）

6. 仿真图

修改起始地址，获得不同年月日

部分代码展示:

`timescale??1ns/100ps
module?calendar
(
input?????????????????sysclk,
input?????????????????reset_n,
output?[31:0]?????????rom_data
);
reg?[15:0]??year_h????=??8'd20;
reg?[7:0]???year_l????=??8'd08;
reg?[3:0]???month?????=??4'd1;
reg?[4:0]???day???????=??5'd30;
//------------------------------------------------------------------------------
wire??month_flag?=?(day?==?28)&!(year_l[1:0]?==?0?&?year_l?!=0?|?year_h[1:0]?==0?&?year_l?==0)&(month?==?2)|
???????????????????(day?==?29)&?(year_l[1:0]?==?0?&?year_l?!=0?|?year_h[1:0]?==0?&?year_l?==0)&(month?==?2)|
???????????????????(day?==?30)&?((month?==?4)|(month?==?6)|(month?==?9)|(month?==?11))|
???????????????????(day?==?31)&?((month?==?1)|(month?==?3)|(month?==?5)|(month?==?7)|(month?==?8)|(month?==?10)|(month?==?12));
//------------------------------------------------------------------------------
always@(posedge?sysclk?or?negedge?reset_n)
begin
??if?(!reset_n)
??begin
????day?????<=?5'b1;
????month???<=?4'd1;
????year_l??<=?8'd08;
????year_h??<=?8'd20;
??end
??else?begin
????????????????if?(month_flag)?
????????????????begin
??????????????????day?<=?5'd1;
??????????????????if?(month?==?12)?
??????????????????begin
????????????????????month?<=?5'd1;
????????????????????if?(year_l?==?100?-1'b1)
????????????????????begin
??????????????????????year_l?<=?8'd0;
??????????????????????if?(year_h?==?100?-1'b1)
??????????????????????begin
????????????????????????year_h?<=?8'd0;
??????????????????????end
??????????????????????else?if?(year_l?==?100?-1'b1)
??????????????????????begin
????????????????????????year_h?<=?year_h?+?1'b1;
??????????????????????end??????????????????????
????????????????????end
????????????????????else?if?(month?==?12)
????????????????????begin
??????????????????????year_l?<=?year_l?+?1'b1;
????????????????????end

点击链接获取代码文件：http://www.hdlcode.com/index.php?m=home&c=View&a=index&aid=895