Article ID: 000077078 Content Type: Troubleshooting Last Reviewed: 09/11/2012
Why are there GND pins in the Altera® pin out files that have no pin numbers?
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Description The Stratix® device pin lists are shown in pad order. GND is just simply a place holder for where the pad is connected to the GND ring that is actually bonded out to a number of GND pins listed later in the pin-table. This can be seen, for instance, in page 5 of the Stratix EP1S25 Device Pin Information in which GND is listed as the Pad Name/Function.