Forum Discussion
Altera_Forum
Honored Contributor
16 years agomixed 3.3V and 1.2V I/O interface
Hi, This is probably simple to answer: I am working with the CycloneIII, It is interfacing a microcontroller with 3.3V on one side, and also has interfaces of 1.2V digital devices. I suppl...
Altera_Forum
Honored Contributor
16 years agoI've got it...Thank you!
I will connect those VREFB pins to GND, is that okay ? Thanks in advance' Gabi