AT91SAM7S64C-AU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT91SAM7S64C-AU

AT91SAM ARM-based Flash MCU

Atmel Corporation 

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

SAM7S Series [DATASHEET]

6175M–ATARM–26-Oct-12

162

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