Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK データシート
製品コード
AT91SAM9G25-EK
34
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
8.3
Peripheral Signal Multiplexing on I/O Lines
The SAM9G25 features four 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
to see the PIO assignments.
25
ISI
Image Sensor Interface
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