波多在线播放_激情深爱五月_久久欧美精品_成人超碰_国产久_www.pixiv.moe

Rss & SiteMap

曙海教育集團論壇 http://www.bjzhda.cn

曙海教育集團論壇
共20 條記錄, 每頁顯示 10 條, 頁簽: [1] [2]
[瀏覽完整版]

標題:FPGA 時鐘問題

1樓
wangxinxin 發表于:2010-12-19 14:00:46
剛學不久~

我要做24H製的時鐘~但我一直DEBUG~一直用不出來~

Xilinx ISE 8.2i軟體~

請會的人幫我看一下哪出錯了~謝



library IEEE;

use IEEE.STD_LOGIC_1164.ALL;

use IEEE.STD_LOGIC_ARITH.ALL;

use IEEE.STD_LOGIC_UNSIGNED.ALL;


---- Uncomment the following library declaration if instantiating

---- any Xilinx primitives in this code.

--library UNISIM;

--use UNISIM.VComponents.all;


entity CLOCK_00_60 is

    Port ( CLK : in  STD_LOGIC;

           RESET : in  STD_LOGIC;

           ENABLE : out  STD_LOGIC_VECTOR (6 downto 0);

           SEGMENT : out  STD_LOGIC_VECTOR (6 downto 0));

end CLOCK_00_60;


architecture Behavioral of CLOCK_00_60 is

signal SCAN_CLK :STD_LOGIC;

signal COUNT_CLK :STD_LOGIC;

signal DECODE_BCD :STD_LOGIC_VECTOR (3 downto 0);

signal mineable :STD_LOGIC;

signal hreable :STD_LOGIC;

signal POSITION:STD_LOGIC_VECTOR (6 downto 0);

signal DIVIDER:STD_LOGIC_VECTOR (29 downto 1);

signal COUNT_BCD:STD_LOGIC_VECTOR (23 downto 0);


begin

-------------------------------------------------

process (CLK,RESET)

begin

if RESET = '0' then

 DIVIDER <= ( others => '0');

elsif CLK' event and CLK = '1' then

 DIVIDER <= DIVIDER + 1 ;

end if;

end process;

COUNT_CLK<=DIVIDER(24);

SCAN_CLK<=DIVIDER(15);

------------------------------------------------秒

process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 COUNT_BCD <= ( others => '0');

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 if   COUNT_BCD(3 downto 0)= x"9" then

    COUNT_BCD(3 downto 0)<= x"0";

    COUNT_BCD(7 downto 4)<= COUNT_BCD(7 downto 4)+1;

 else

   COUNT_BCD(3 downto 0)<= COUNT_BCD(3 downto 0)+1;

 end if;

end if;

end process;

mineable <= '1' when COUNT_BCD(7 downto 0) = x"59" else '0';

----------------------------------------------------------分


process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 COUNT_BCD <= ( others => '0');

 if mineable = '1' then

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 if   COUNT_BCD(11 downto 8)= x"9" then

    COUNT_BCD(11 downto 8)<= x"0";

    COUNT_BCD(15 downto 12)<= COUNT_BCD(15 downto 12)+1;

 else

   COUNT_BCD(11 downto 8)<= COUNT_BCD(11 downto 8)+1;

 end if;

end if;

end if;

end process;

hreable <= '1' when COUNT_BCD(15 downto 8) = x"59" else '0';

-------------------------------------------------------------時

process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 COUNT_BCD <= ( others => '0');

  if mineable = '1' and hreable = '1' then

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 if   COUNT_BCD(19 downto 16)= x"9" then

    COUNT_BCD(19 downto 16)<= x"0";

    COUNT_BCD(23 downto 20)<= COUNT_BCD(23 downto 20)+1;

  if   COUNT_BCD(19 downto 16)= x"2" then

   COUNT_BCD(23 downto 20)<= x"0";

 else

   COUNT_BCD(19 downto 16)<= COUNT_BCD(19 downto 16)+1;

  end if;

 end if;

  end if;

end if;

end process;



process(RESET,SCAN_CLK)

begin

if RESET = '0' then

 POSITION <= "1111110";

elsif SCAN_CLK' event and SCAN_CLK = '1' then

 POSITION<="111111"&POSITION(0);

end if;

end process;

ENABLE<=POSITION;

-----------------------------------------------------------

process(POSITION,SCAN_CLK)

begin

case POSITION is

 when "1111110" => DECODE_BCD <=COUNT_BCD(3 downto 0);    --秒

 when "1111101" => DECODE_BCD <=COUNT_BCD(7 downto 4);    --秒

 when "1111011" => DECODE_BCD <=COUNT_BCD(11 downto 8);   --分

 when "1110111" => DECODE_BCD <=COUNT_BCD(15 downto 12);   --分

   when "1101111" => DECODE_BCD <=COUNT_BCD(19 downto 16);   --時

   when "1011111" => DECODE_BCD <=COUNT_BCD(23 downto 20);   --時

 when others => null;

end case;

end process;

 

with DECODE_BCD Select

SEGMENT<= "1000000" when X"0",

  "1111001" when X"1",

  "0100100" when X"2",

  "0110000" when X"3",

  "0011001" when X"4",

  "0010010" when X"5",

  "0000010" when X"6",

  "1111000" when X"7",

  "0000000" when X"8",

  "0010000" when X"9",

  "1111111" when others;


end Behavioral;
共20 條記錄, 每頁顯示 10 條, 頁簽: [1] [2]

Copyright © 2000 - 2009 曙海教育集團
Powered By 曙海教育集團 Version 2.2
Processed in .04688 s, 2 queries.
主站蜘蛛池模板: 日本高清在线看片免费视频 | 精品亚洲永久免费精品 | 亚洲精品美女久久777777 | 尤物视频在线观看 | 热99在线视频 | 久久一区 | 五月婷婷丁香在线观看 | 99伊人| 伦理午夜电影免费观看 | 日韩成人在线电影 | 欧美洲视频在线观看 | 久久国产精品视频一区 | 国产成人综合欧美精品久久 | 色综合天天天天做夜夜夜夜做 | 一级特黄女人生活片 | 国产精品国产a级 | 免费一级欧美性大片 | 精品一区二区三区在线观看国产 | 国产亚洲精品久久精品录音 | 国产91成人精品亚洲精品 | a级片在线视频 | 国产一国产一区秋霞在线观看 | 日本三级全黄 | 欧美日韩亚洲人人夜夜澡 | 日本xxxx18高清免费 | 日韩国产欧美一区二区三区 | 国产a级网站 | 欧美成年黄网站色视频 | 在线三级网址 | 国产精品冒白浆免费视频 | 国产美女的小嫩bbb图片 | 精品一区二区三区免费看 | 天天操天天擦 | 波多野结衣在线网站 | 欧美激情图片区 | 亚洲一区二区视频 | 久久69精品久久久久久久电影好 | 一起射综合网 | 一区二区三区在线播放 | 精品久久洲久久久久护士 | 亚洲国产精品视频一区 |