多功能数字钟设计VHDL代码Quartus仿真

名称：多功能数字钟设计VHDL代码Quartus仿真

软件：Quartus

语言：VHDL

代码功能：

(1)输入信号3178kh基时钟信号。

(2)具有时、分、秒计时显示功能,以-12小时循环计时。

(3)采用6位七段扫描共阴极数码显示管计时显示,并具有秒闪指示功能。

(4)利用一个按键开关完成系统复位功能。

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. 仿真图

整体仿真图

分频模块

计时模块

显示模块

部分代码展示:

LIBRARY?ieee;
???USE?ieee.std_logic_1164.all;
ENTITY?Digital_clock?IS
???PORT?(
??????clk_in????:?IN?STD_LOGIC;--时钟输入
reset????:?IN?STD_LOGIC;--复位
??????bit_select?????:?OUT?STD_LOGIC_VECTOR(5?DOWNTO?0);--数码管位选
??????seg_select?????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0)--数码管段选
???);
END?Digital_clock;
ARCHITECTURE?trans?OF?Digital_clock?IS
--模块声明
???COMPONENT?display?IS
??????PORT?(
?????????clk????????:?IN?STD_LOGIC;
?????????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);
bit_select?????:?OUT?STD_LOGIC_VECTOR(5?DOWNTO?0);--数码管位选
seg_select?????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0)--数码管段选
??????);
???END?COMPONENT;
???
???COMPONENT?fenping?IS
??????PORT?(
?????????clk_in????:?IN?STD_LOGIC;
?????????clk_1Hz????:?OUT?STD_LOGIC
??????);
???END?COMPONENT;
???
???COMPONENT?jishi?IS
??????PORT?(
?????????clk_in????:?IN?STD_LOGIC;
reset????:?IN?STD_LOGIC;--复位
?????????clk_1Hz????:?IN?STD_LOGIC;
?????????hour_time??:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????minute_time?:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0);
?????????second_time?:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0)
??????);
???END?COMPONENT;
???
???SIGNAL?hour_time?????????:?STD_LOGIC_VECTOR(7?DOWNTO?0);
???SIGNAL?minute_time???????:?STD_LOGIC_VECTOR(7?DOWNTO?0);
???SIGNAL?second_time???????:?STD_LOGIC_VECTOR(7?DOWNTO?0);
???
???SIGNAL?clk_1Hz???????????:?STD_LOGIC;
BEGIN
???--分频到1Hz
???fenping_Hz?:?fenping
??????PORT?MAP?(
?????????clk_in??=>?clk_in,
?????????clk_1Hz??=>?clk_1Hz
??????);
???
???
???--计时模块
???i_jishi?:?jishi
??????PORT?MAP?(
?????????clk_in??????=>?clk_in,
reset????=>?reset,--复位
?????????clk_1Hz??????=>?clk_1Hz,
?????????hour_time????=>?hour_time,--时
?????????minute_time??=>?minute_time,--分
?????????second_time??=>?second_time--秒
??????);
???
???--显示模块
???i_display?:?display
??????PORT?MAP?(
?????????clk????????????????=>?clk_in,
?????????hour_time??????????=>?hour_time,
?????????minute_time????????=>?minute_time,
?????????second_time????????=>?second_time,
bit_select?????=>bit_select,--数码管位选
seg_select?????=>seg_select--数码管段选
??????);
???
END?trans;

点击链接获取代码文件：http://www.hdlcode.com/index.php?m=home&c=View&a=index&aid=531