Datasheet

26
SAM9G15 [DATASHEET]
11052D–ATARM–31-Oct-12
8.3 Peripheral Signal Multiplexing on I/O Lines
The SAM9G15 features 4 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.
25 LCDC LCD Controller
26 HSMCI1
High Speed Multimedia Card
Interface 1
28 SSC Synchronous Serial Controller
31 AIC Advanced Interrupt Controller IRQ
Table 8-1. Peripheral Identifiers (Continued)
Instance
ID
Instance
Name
Instance Description External
interrupt
Wired-OR
interrupt