This part seems like a good example of the functionality that a pinmux should have.
http://www.silabs.com/Support%20Documents/TechnicalDocs/EFM32HG322.pdf See table 4.2 which shows that many peripherals can map to different pins depending on the BSP and what is attached where. Paul CONFIDENTIALITY / DISCLAIMER: The contents of this e-mail are confidential and are not to be regarded as a contractual offer or acceptance from GS1 (registered in Belgium). If you are not the addressee, or if this has been copied or sent to you in error, you must not use data herein for any purpose, you must delete it, and should inform the sender. GS1 disclaims liability for accuracy or completeness, and opinions expressed are those of the author alone. GS1 may monitor communications. Third party rights acknowledged. (c) 2016.
