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Altera_Forum
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14 years ago

Implementation a common tristate output for a tristate array

Hello everybody. I am working on a EPF10k20RC240-4 FPGA. I have a few outputs with enables. these output connect together in a connecting point. Now I want to get my favourite output by selectin...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hi,

do you have one external output (a pin) for all output signals or do you have one output pin for each output and connect them together outside of your device ? If you want to connect the outputs together internally (and route them to one output pin) you should not do this with tri-state signals. You should use a mux instead.