计时、闹钟、秒表的多功能数字钟设计VHDL代码Quartus仿真

名称：计时、闹钟、秒表的多功能数字钟设计VHDL代码Quartus仿真

软件：Quartus

语言：VHDL

代码功能：

计时、闹钟、秒表的多功能数字钟

1、可以通过按键设置计时、闹钟、秒表模式

2、可以调时、可以控制闹钟时间、可以控制秒表启动暂停

3、数码管显示时间

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

3. 程序编译

4. RTL图

5. 管脚分配

6. Testbench

7. 仿真图

整体仿真图

分频模块

计时模块

闹钟模块

秒表模块

显示模块

按键模块

响铃模块

部分代码展示:

LIBRARY?ieee;
???USE?ieee.std_logic_1164.all;
--数字秒表
ENTITY?Digital_clock?IS
???PORT?(
??????clk_50M?????:?IN?STD_LOGIC;--50MHz
??????key_0???????:?IN?STD_LOGIC;--模式设置按键--4'd0:计时，4'd1：闹钟，4'd2:跑表
??????key_1???????:?IN?STD_LOGIC;--设置修改,跑表启动
??????key_2???????:?IN?STD_LOGIC;--修改确认,跑表暂停
??????key_3???????:?IN?STD_LOGIC;--修改时分秒,跑表复位,闹钟关闭
??????
??????bell_out????:?OUT?STD_LOGIC;
??????led_mode????:?OUT?STD_LOGIC_VECTOR(3?DOWNTO?0);--led显示当前模式
??????HEX5?????????????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);--数码管段选
??????HEX4?????????????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);--数码管段选
??HEX3?????????????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);--数码管段选
??HEX2?????????????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);--数码管段选
??HEX1?????????????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);--数码管段选
??HEX0?????????????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0)--数码管段选
???);
END?Digital_clock;
ARCHITECTURE?behave?OF?Digital_clock?IS
--模块声明
???--响铃模块
???COMPONENT?Bell?IS
??????PORT?(
?????????clk_50M?????:?IN?STD_LOGIC;
?????????clear_alarm?:?IN?STD_LOGIC;
?????????alarm_hour_time?:?IN?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????alarm_minute_time?:?IN?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????alarm_second_time?:?IN?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????hour_time???:?IN?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????minute_time?:?IN?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????second_time?:?IN?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????bell_out????:?OUT?STD_LOGIC
??????);
???END?COMPONENT;
???--闹钟模块
???COMPONENT?alarm_clock?IS
??????PORT?(
?????????clk_50M?????:?IN?STD_LOGIC;
?????????state_mode??:?IN?STD_LOGIC_VECTOR(3?DOWNTO?0);
?????????set_time_key?:?IN?STD_LOGIC;
?????????confirm_key?:?IN?STD_LOGIC;
?????????change_time_key?:?IN?STD_LOGIC;
?????????alarm_hour_time?:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????alarm_minute_time?:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????alarm_second_time?:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0)
??????);
???END?COMPONENT;

点击链接获取代码文件：http://www.hdlcode.com/index.php?m=home&c=View&a=index&aid=1314