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IOMux Tool - Why do some single-function pad/signals show up without a checkbox?

Question asked by Christopher Williamson Employee on Feb 13, 2013
Latest reply on Feb 13, 2013 by Christopher Williamson

From Customer:


“I understand that there are certain signals and pads that don't have muxing options, in other words those are dedicated signals and pads. By default the tool has already allocated (filled in) in both the Signals Tab and the Ball Diagram Tab, the JTAG (sjc group) and Memory (mmdc group) pins, but it will not allow you to at least select other dedicated groups such as the PCIe group.


Can you explain why the tool does this or if there is a way to select the groups so that they "show up" as used in the Tabs”