at91sam9g15-cu ATMEL Corporation, at91sam9g15-cu Datasheet - Page 32

• Manufacturer Part Number: at91sam9g15-cu
• Description: At91sam Arm-based Embedded Mpu
• Manufacturer: ATMEL Corporation

9.3
32
Peripheral Signal Multiplexing on I/O Lines
SAM9G15
Table 9-1.
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
Instance
23
25
26
28
31
ID
Section 4. “Package and
Peripheral Identifiers (Continued)
Instance
HSMCI1
UDPHS
Name
LCDC
SSC
AIC
Instance Description
USB Device High Speed
LCD Controller
High Speed Multimedia Card
Interface 1
Synchronous Serial Controller
Advanced Interrupt Controller
Pinout”,
Table 4-3
to see the PIO assignments.
External
interrupt
IRQ
11052AS–ATARM–27-Jul-11
Wired-OR
interrupt