求高手修改一下关于EDA的毕业设计

来源:百度知道 编辑:UC知道 时间:2024/06/02 01:19:51
老师让我们用vhdl语言设计LED显示汉字滚动系统,老师的要求是8*8点阵,我有一份16*16点阵的毕业设计,求有高手能帮忙修改一下。谢谢拉!

LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.std_logic_unsigned.ALL;

ENTITY basifre_product IS
PORT ( clk_1kh : IN std_logic;
fre_100h,fre_10h,fre_1h : OUT std_logic);
END basifre_product;
ARCHITECTURE stru OF basifre_product IS
COMPONENT cont10
PORT( clk,rst,en : IN std_logic;
count : OUT integer RANGE 0 TO 9 ;
ca_rry : OUT std_logic);
END COMPONENT ;
SIGNAL vcc,gnd : std_logic;
SIGNAL fre_100h_t,fre_10h_t : std_logic;
BEGIN
vcc <= '1' ;
gnd <= '0' ;
u1 : cont10 PORT MAP ( clk => clk_1kh ,rst => gnd ,en => vcc ,ca_rry => fre_100h_t ) ;
u2 : cont10 PORT MAP ( clk => fre_100h_t ,rst => gnd ,en => vcc ,ca_rry => fre_10h_t ) ;
u3 : cont10 PORT MAP ( clk => fre_10h_t ,rst => gnd ,en => vcc ,ca_rry => fre_1h ) ;
fre_100h <= fre_100h_t ;
fre_10h <= fre_10h_t ;
END stru;
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