33.4 Signal Description
Refer to the respective SERCOM mode chapters for details:
CAUTION: I/Os for SERCOM
peripherals are grouped into I/O sets, listed in their ‘IOSET’ column in the pinout tables.
For these peripherals, it is mandatory to use I/Os that belong to the same I/O set. The
timings are not guaranteed when I/Os from different I/O sets are mixed. Refer to the Pinout and
Packaging chapter to get IOSET definitions.