📄 xminute.vhd
字号:
library IEEE;
use IEEE.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_arith.all;
entity xminute is
port (
clkmin: in STD_LOGIC;
reset: in STD_LOGIC;
sethour: in STD_LOGIC;
clk: in STD_LOGIC;
minout: out STD_LOGIC_VECTOR (6 downto 0);
enhour: out STD_LOGIC
);
end xminute;
architecture xminute_arch of xminute is
signal min : std_logic_vector(6 downto 0);
signal ehour : std_logic;
signal min1 : std_logic;
begin
-- <<enter your statements here>>
process(reset,clk,sethour,min,ehour)
begin
if reset='0' then
enhour<='0';
minout<="0000000";
min1<='0';
else
min1<='1';
minout<=min;
if clk='1' and clk'event then
if sethour='0' then
enhour<='1';
else
enhour<=ehour;
end if;
end if;
end if;
end process;
process(clkmin,min1)
alias lcountm : std_logic_vector(3 downto 0) is min(3 downto 0);
alias hcountm : std_logic_vector(2 downto 0) is min(6 downto 4);
begin
if min1='0' then
min<="0000000";
else
if (clkmin='1' and clkmin'event) then
if lcountm=9 then
lcountm<="0000";
if hcountm/=5 then
hcountm<=hcountm+1;
ehour<='0';
else
hcountm<="000";
ehour<='1';
end if;
else
lcountm<=lcountm+1;
ehour<='0';
end if;
end if;
end if;
end process;
end xminute_arch;
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -