Question

EDA程序出错，求助！

PROCESS (CLK) BEGIN
IF CLK EVENT AND CLK = ’1’ THEN
CASE COUNT IS
WHEN" 101" = >COUNT < = " 000" ;
CHOOSEOUT < = S1; LT < = " 111110" ;
WHEN" 000" = >COUNT < =COUNT + ’1’;
CHOOSEOUT < = S2; LT < = " 111101" ;
WHEN" 001" = >COUNT < =COUNT + ’1’;
CHOOSEOUT < = S3; LT < = " 111011" ;
WHEN" 010" = >COUNT < =COUNT + ’1’;
CHOOSEOUT < = S4; LT < = " 110111" ;
WHEN" 011" = >COUNT < =COUNT + ’1’;
CHOOSEOUT < = S5; LT < = " 101111" ;
WHEN" 100" = >COUNT < =COUNT + ’1’;
CHOOSEOUT < = S6; LT < = " 011111" ;
WHEN OTHERS = >LT < = " 111111" ;
END CASE;
END IF;
END PROCESS;

Answer 1

应该是clk'event

追问

不行呀，说的错误在第一段！Error (10500): VHDL syntax error at Vhdl1.vhd(1) near text "PROCESS"; expecting "entity", or "architecture", or "use", or "library", or "package", or "configuration"

追答

那你把第一段也贴上来看看