Forum Discussion

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

A very basic newbie question

Hi All I have a very basic question. I've recently started learning about CPLD and VHDL. My VHDL code usually compiles and simulates fine, but when I put it in an actual CPLD it behaves really...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

In theory setting the unused pins to output should have worked, but as batfink suggested, I think a few of the I/O pins that were connected to the microcontroller started misbehaving. A lesson learned.

This what you get with a poorly designed board and absolutely no documentation.

Thanks guys for all your help!