4.5 IOSET Configurations
CAUTION: I/Os for SERCOM, GMAC,
I²S, TC, TCC, and PDEC peripherals are grouped into I/O sets, which are listed in the
related IOSET table. For these peripherals, it is mandatory to use I/Os that belong to
the same I/O set. The peripheral’s timings are not guaranteed when I/Os from different
I/O sets are mixed.