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Altera_Forum's avatar
Altera_Forum
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14 years ago

tri-state input in FSM

Hello, I have built a FSM that has a shared bidir bus as an input and output. The problem that I have is that I continuously have to check the bus if it addresses me and sometimes it goes into...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

you should have accesss to the output enable signal (or read enable from the other end) that will tell you when the tri-state bus is being changed to 'Z'. If you dont have access to this, you will not know when it is safe to read the bus.