|
发表于 2010-9-20 11:39:27
|
显示全部楼层
声明
type dactab1 is array(0 to 30) of std_logic_vector(7 downto 0);
因为是常量所以加下面部分
constant dacarray1:dactab1:=
(
"00000001","00000010","00000011","00000110","00001011","00010001","00011000","00100001",
"00101010","00110100","00111111","01001011","01011000","01100101","01110001","01111111",
"10001100","10011001","10100110","10110011","10111111","11001010","11010100","11011101",
"11100110","11101101","11110011","11111000","11111011","11111101","11111110"
)
调用 DACOUTQ<=dacarray1(count);
DACOUTI<=254-dacarray1(count); |
|