AT91SAM7S64 datasheet(35/42 Pages) ATMEL

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6175BS–ATARM–04-Nov-05

AT91SAM7S Series Summary

11.4

Peripheral Identifiers

The AT91SAM7S Series embeds a wide range of peripherals. Table 11-3 defines the Peripheral

Identifiers of the AT91SAM7S256/128/64/321. Table 11-4 defines the Peripheral Identifiers of

the AT91SAM7S32. A peripheral identifier is required for the control of the peripheral interrupt

with the Advanced Interrupt Controller and for the control of the peripheral clock with the Power

Management Controller.

Note:

1. Setting SYSIRQ and ADC bits in the clock set/clear registers of the PMC has no effect. The

System Controller is continuously clocked. The ADC clock is automatically started for the first

conversion. In Sleep Mode the ADC clock is automatically stopped after each conversion.

Table 11-3.

Peripheral Identifiers (AT91SAM7S256/128/64/321)

Peripheral

Mnemonic

Peripheral

Name

External

Interrupt

AIC

Advanced Interrupt Controller

FIQ

SYSIRQ

(1)

System Interrupt

PIOA

Parallel I/O Controller A

Reserved

4ADC

(1)

Analog-to Digital Converter

SPI

Serial Peripheral Interface

US0

USART 0

US1

USART 1

SSC

Synchronous Serial Controller

TWI

Two-wire Interface

PWMC

PWM Controller

UDP

USB Device Port

TC0

Timer/Counter 0

TC1

Timer/Counter 1

TC2

Timer/Counter 2

15 - 29

Reserved

AIC

Advanced Interrupt Controller

IRQ0

AIC

Advanced Interrupt Controller

IRQ1

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