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Altera_Forum's avatar
Altera_Forum
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16 years ago

inout ports for multiple modules

I'm working on a design based on an existing system designed in AHDL. Currently the design has quite a few modules in AHDL connected with a block diagram at the top level. The product has an e...
Altera_Forum's avatar
Altera_Forum
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16 years ago

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INOUT or BIDIR pins can not be connected together in anything other than a block diagram file, correct?

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They can be connected in HDL as well. But you should consider, that multiplexers are inferred for the output data direction and that a mutual exclusive selection condition for the individual module's output enables must exist. But that's the same in schematic entry, I think.