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Altera_Forum
Honored Contributor
17 years agoVHDL: inout port error: multiple drivers
Hello, I have defined an entity with some ports. One of these ports is defined as follows: data : inout std_logic_vector (63 downto 0); As you see, I want to read from or wr...
Altera_Forum
Honored Contributor
17 years ago --- Quote Start --- You never need internal inout ports. --- Quote End --- They are convenient in some cases though. They are available VHDL constructs and well supported by Quartus. For me, they are a means to wire global data and parameters through the design hierarchies with minimal code typing effort. But there can be only one driver for each data entity, of course