请教一下 这语句有错吗?
请教一下 这语句有错吗?temp <= ("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" & data_ad * "10110011");
data_ad_temp1 <= temp / "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011000011010100000"(7 DOWNTO 0);
为什么编译的时候出现这错误信息
肯定不行的 理由是什么啊前辈 请指教 1,"0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011000011010100000"(7 DOWNTO 0)这是什么意思;
2,位宽太大,应该没有这么用的。
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