Forum Discussion
jAlter
New Contributor
8 months agoMAX 10. No 3.0 V Schmitt Trigger I/O standard
For some reason Max 10 doesn't support 3.0 V Schmitt Trigger I/O standard. Of course, using 3.3V I/O standard would work as well. But then Quartus would complain and would issue a fatal error if the...
jAlter
New Contributor
8 months agoHi ShengN, thanks for your reply.
ShengN_altera wrote:Yes, MAX 10 don't support 3.0 V Schmitt Trigger.
I think you can use 2.5V for both Schmitt Trigger and slew rate control.
That's what I thought. But "lying" to Quartus about the real voltage level sounds like a pretty ugly workaround. I know that the output voltage doesn't change just because you change the Quartus I/O standard configuration. But the Timing and the Power analysis will be affected.
Sounds to me this is more like a Quartus bug that an actual device limitation?
Thanks,
- ShengN_altera8 months ago
Super Contributor
May I know which output voltage do you mean?