Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Interfacing with Max V Development Board

I just acquired a Max V Development board to learn programming on CPLDs. I've already made some headway and have managed to utilize the push buttons and LEDs. I was thinking of utilizing the GPIO hea...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

For fast digital signals, you would always want to connect as much ground pins as available along with the signal, no matter if there's a common ground connected elsewhere. If you don't connect the grounds directly with the signals, you are radiating fast edges of the return currents all around your enviroment and pick up interferences as well.