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Altera_Forum
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14 years ago

VHDL array syntax

I'm just trying to test out writing out arrays in VHDL but I can't get it to work. The error I get is Error (10568): VHDL error at Testarray.vhd(16): can't write to interface object "a" of mode IN ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

The problem is with line a <= "1100"

You can't assign 'a' since this is an input port, so its assignment is supposed to come from an external signal. In other words, you must instantiate this entity in a upper level and drive the a input port.