Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
34
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
8.3
Peripheral Signal Multiplexing on I/O Lines
The SAM9G25 features 4 PIO Controllers, PIOA, PIOB, PIOC and PIOD, which multiplex the I/O lines of the
peripheral set.
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
line can be assigned to one of three peripheral functions, A, B or C. Refer to
and
the PIO assignments.
23
UDPHS
USB Device High Speed
24
EMAC
Ethernet MAC
25
ISI
Image Sensor Interface
26
HSMCI1
High Speed Multimedia Card
Interface 1
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
interrupt
Wired-OR interrupt