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Altera_Forum
Honored Contributor
14 years agoLVDS pins next to a 2.5 volt pins
Greeting, I am getting an error telling me I cannot put an LVDS pin next to a 2.5 volt pin that will be responsible for and fault LED blinking. Is there any way to get around this or is there a way t...
Altera_Forum
Honored Contributor
14 years agoIf you come to conclusion that the single ended output won't disturb LVDS operation, e.g because it's not switching at times when the LVDS is active, you can assign a toggle rate of "0 MHz" to the pin, and it's ignored in pin placement rule check. A reasonable example is e.g. a configuration EEPROM of a DDRRAM module, that's read in before RAM operation starts.