Forum Discussion

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

Bad Pins

I am a rookie. I am working on my fourth MAX II design. I am using Quartus II Version 9 SP2. The problem I am having is that several pins on EPM1270 do not work. For example. I have four test...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

the first task is to identify the problem is of hardware or of software.

if you have another same type of pcb, you can try that pcb.

if the same problem existed on that pcb. it is the quartus software's problem.

if the problem is not same or problem disapear, the problem is pcb.

sometime the cpld's some pins will be damaged by static electricity,but other pins are good.