eda課程設(shè)計(jì)——基于vhdl語言的數(shù)字時鐘設(shè)計(jì)(編輯修改稿)
2025-02-12 04:54 本頁面
【文章內(nèi)容簡介】 =(sethour and clk1)。enhour=(enhour_1 or enhour_2)。process(clk,reset,sethour)beginif(reset=39。039。)thencount=0000000。elsif(clk39。event and clk=39。139。)thenif(count(3 downto 0)=1001)thenif(count1660)thenif(count=1011001)thenenhour_1=39。139。count=0000000。ELSEcount=count+7。end if。elsecount=0000000。end if。elsif(count1660)thencount=count+1。enhour_1=39。039。after 100 ns。elsecount=0000000。end if。end if。end process。END fun。時計(jì)數(shù)單元代碼LIBRARY ieee。use 。use 。ENTITY hour ISPORT(clk,reset:IN STD_LOGIC。daout:out std_logic_vector(5 downto 0))。END entity hour。ARCHITECTURE fun OF hour ISSIGNAL count:STD_LOGIC_VECTOR(5 downto 0)。BEGINdaout=count。process(clk,reset)beginif(reset=39。039。)thencount=000000。elsif(clk39。event and clk=39。139。)thenif (count(3 downto 0)=1001)thenif(count=1623)thencount=count+7。elsecount=000000。end if。elsif(count1623)thencount=count+1。elsecount=000000。end if。end if。end process。END fun；顯示單元代碼LIBRARY ieee。use 。use 。ENTITY deled ISPORT(num:IN std_logic_vector(3 downto 0)。led:OUT std_logic_vector(6 downto 0))。end deled。ARCHITECTURE fun OF deled ISBEGINled=1111110when num=0000else0110000when num=0001else1101101when num=0010else1111001when num=0011else0110011when num=0100else1011011when num=0101else1011111when num=0110else1110000when num=0111else1111111when num=1000else1111011when num=1001else1110111when num=1010else0011111when num=1011else1001110when num=1100else0111101when num=1101else1001111when num=1110else1000111when num=1111。END fun。調(diào)時控制單元代碼LIBRARY ieee。use 。use 。use 。ENTITY seltime ISPORT(clk1,reset:IN STD_LOGIC。sec,min:IN STD_LOGIC_VECTOR(6 downto 0)。hour:in std_logic_vector(5 downto 0)。daout:OUT STD_LOGIC_vec
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