35.4 Signal Description

Table 35-1. SERCOM SPI Signals
Signal Name	Type	Description
PAD[3:0]	Digital I/O	General SERCOM pins

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.

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