SAM7X128_14 Datasheet, PDF (144/662 Pages) ATMEL Corporation – ARM-based Flash MCU

23.3 Application Block Diagram
Figure 23-2. Description of the Application Block
Standalone
Applications
OS-based Applications
OS Drivers
RTOS Drivers
General OS Interrupt Handler
Hard Real Time Tasks
Advanced Interrupt Controller
Embedded Peripherals
External Peripherals
(External Interrupts)
23.4 AIC Detailed Block Diagram
Figure 23-3. AIC Detailed Block Diagram
FIQ
PIO
Controller
IRQ0-IRQn
PIOIRQ
Embedded
Peripherals
Advanced Interrupt Controller
External
Source
Input
Stage
Fast
Interrupt
Controller
Internal
Source
Input
Stage
Fast
Forcing
Interrupt
Priority
Controller
User Interface
ARM
Processor
nFIQ
nIRQ
Processor
Clock
Power
Management
Controller
Wake Up
APB
23.5 I/O Line Description
Table 23-1. I/O Line Description
Pin Name
FIQ
IRQ0 - IRQn
Pin Description
Fast Interrupt
Interrupt 0 - Interrupt n
Type
Input
Input
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
144