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AR# 1603

CPLD XC9500/XL/XV - When can the XC9500 internal IOB pull-up be accessed?


General Description:

How do I use the pull-up in the IOB for XC9500/XL/XV devices?


In the XC9500/XL/XV IOBs, an internal pull-up becomes active during power-up, device configuration, and Intest only.

- For active I/O, these pull-ups cannot be accessed or activated during normal operation.

- For unused I/O, please see (Xilinx Solution 1536)

AR# 1603
Date Created 08/21/2007
Last Updated 12/15/2012
Status Active
Type General Article