• 0

Why would IO pins be tied to VCC or GND with 0 Ohm resistor on FPGA Dev Board?


Question

I have a cheap Altera Cyclone II EP2C5T144C8 Dev Board and a few (4) of the IO/LVDS pins are shorted to VCC or GND as shown in the schematic segment below. The pins are also brought out to headers on the board.

The only things I can think of for why they are there are:

  1. They are meant to be left non-populated (but were accidentally populated) for the user to add pull-up/pull-down resistors
  2. They are somehow helping power the FPGA

Is there any reason a direct short to VCC/GND would be desirable for an IO pin on a Dev Board? Can I remove these resistors without negatively impacting the board's performance?

GOC80.png

Link to post
Share on other sites

2 answers to this question

Recommended Posts

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now