Datasheet

25
SAM9X35 [DATASHEET]
11055E–ATARM–10-Mar-2014
8.3 Peripheral Signal Multiplexing on I/O Lines
The SAM9X35 features four PIO Controllers (PIOA, PIOB, PIOC and PIOD) which multiplex the I/O lines of the
peripheral set.
Each PIO Controller controls 32 lines, 19 lines, 32 lines and 22 lines respectively for PIOA, PIOB, PIOC and PIOD. Each
line can be assigned to one of three peripheral functions, A, B or C. Refer to Section 4. “Package and Pinout”, Table 4-3
to see the PIO assignments.
26 HSMCI1 High Speed Multimedia Card Interface 1
28 SSC Synchronous Serial Controller
29 CAN0 CAN Controller 0
30 CAN1 CAN Controller 1
31 AIC Advanced Interrupt Controller IRQ
Table 8-1. Peripheral Identifiers (Continued)
Instance ID Instance Name Instance Description External interrupt Wired-OR interrupt