USE IEEE.STD_LOGIC_UNSIGNED.ALL; 报错LIBRARY IEEE;USE IEEE.STD_LOGIC_1164.ALLUSE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY CNT10 ISPORT (CLK,RST,EN,LOAD:IN STD_LOGIC;DATA:IN STD_LOGIC_VECTOR(3 DOWNTO 0);DOUT:OUT STD_LOGIC_VECTOR(3 DOWNTO 0);COUT:OUT STD_L
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 15:19:41
![USE IEEE.STD_LOGIC_UNSIGNED.ALL; 报错LIBRARY IEEE;USE IEEE.STD_LOGIC_1164.ALLUSE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY CNT10 ISPORT (CLK,RST,EN,LOAD:IN STD_LOGIC;DATA:IN STD_LOGIC_VECTOR(3 DOWNTO 0);DOUT:OUT STD_LOGIC_VECTOR(3 DOWNTO 0);COUT:OUT STD_L](/uploads/image/z/12181458-66-8.jpg?t=USE+IEEE.STD_LOGIC_UNSIGNED.ALL%3B+%E6%8A%A5%E9%94%99LIBRARY+IEEE%3BUSE+IEEE.STD_LOGIC_1164.ALLUSE+IEEE.STD_LOGIC_UNSIGNED.ALL%3BENTITY+CNT10+ISPORT+%28CLK%2CRST%2CEN%2CLOAD%3AIN+STD_LOGIC%3BDATA%3AIN+STD_LOGIC_VECTOR%283+DOWNTO+0%29%3BDOUT%3AOUT+STD_LOGIC_VECTOR%283+DOWNTO+0%29%3BCOUT%3AOUT+STD_L)
USE IEEE.STD_LOGIC_UNSIGNED.ALL; 报错LIBRARY IEEE;USE IEEE.STD_LOGIC_1164.ALLUSE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY CNT10 ISPORT (CLK,RST,EN,LOAD:IN STD_LOGIC;DATA:IN STD_LOGIC_VECTOR(3 DOWNTO 0);DOUT:OUT STD_LOGIC_VECTOR(3 DOWNTO 0);COUT:OUT STD_L
USE IEEE.STD_LOGIC_UNSIGNED.ALL; 报错
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL
USE IEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITY CNT10 IS
PORT (CLK,RST,EN,LOAD:IN STD_LOGIC;
DATA:IN STD_LOGIC_VECTOR(3 DOWNTO 0);
DOUT:OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
COUT:OUT STD_LOGIC);
END CNT10;
ARCHITECTURE behav OF CNT10 IS
BEGIN
PROCESS(CLK,RST,EN,LOAD)
VARIABLE Q:STD_LOGIC_VECTOR(3 DOWNTO 0);
BEGIN
IF RST='0' THEN Q:=(OTHERS=>'0');
ELSIF CLK' EVENT AND CLK='1' THEN
IF EN='1' THEN
IF (LOAD='0') THEN Q:=DATA;ELSE
IF Q'0');
ENDIF;
ENDIF;
ENDIF;
ENDIF;
IF Q="1001" THEN COUT
USE IEEE.STD_LOGIC_UNSIGNED.ALL; 报错LIBRARY IEEE;USE IEEE.STD_LOGIC_1164.ALLUSE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY CNT10 ISPORT (CLK,RST,EN,LOAD:IN STD_LOGIC;DATA:IN STD_LOGIC_VECTOR(3 DOWNTO 0);DOUT:OUT STD_LOGIC_VECTOR(3 DOWNTO 0);COUT:OUT STD_L
第二行少了个分号,后面连续的四个end if中间是有空格的~