问题描述：
VHDL if ((conv_integer(sel)mod 2) = '0') can't determine definiton of operator ""=""
addr_get:process(clk)
begin
if clk'event and clk = '1' then
if (conv_integer(sel) mod 2 = '0') then -- can't determine definiton of operator ""=""
x1l
addr_get:process(clk)
begin
if clk'event and clk = '1' then
if (conv_integer(sel) mod 2 = '0') then -- can't determine definiton of operator ""=""
x1l
问题解答：
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