AT91SAM9G45 datasheet(39/56 Pages) ATMEL

39 / 56 page

6438ES–ATARM–21-Jun-10

AT91SAM9G45

Peripherals

9.1

Peripheral Mapping

As shown in Figure 7-1, the Peripherals are mapped in the upper 256 Mbytes of the address

space between the addresses 0xFFF7 8000 and 0xFFFC FFFF.

Each User Peripheral is allocated 16K bytes of address space.

9.2

Peripheral Identifiers

Table 9-1 defines the Peripheral Identifiers of the AT91SAM9G45. 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.

Table 9-1.

AT91SAM9G45 Peripheral Identifiers

Peripheral ID

Peripheral Mnemonic

Peripheral Name

External Interrupt

0AIC

Advanced Interrupt Controller

FIQ

1SYSC

System Controller Interrupt

2PIOA

Parallel I/O Controller A,

PIOB

Parallel I/O Controller B

PIOC

Parallel I/O Controller C

PIOD/PIOE

Parallel I/O Controller D/E

TRNG

True Random Number Generator

7US0

USART 0

8US1

USART 1

9US2

USART 2

US3

USART 3

MCI0

High Speed Multimedia Card Interface 0

TWI0

Two-Wire Interface 0

TWI1

Two-Wire Interface 1

SPI0

Serial Peripheral Interface

SPI1

Serial Peripheral Interface

SSC0

Synchronous Serial Controller 0

SSC1

Synchronous Serial Controller 1

TC0..TC5

Timer Counter 0,1,2,3,4,5

PWM

Pulse Width Modulation Controller

TSADCC

Touch Screen ADC Controller

DMA

DMA Controller

UHPHS

USB Host High Speed

LCDC

LCD Controller

AC97C

AC97 Controller

EMAC

Ethernet MAC

ISI

Image Sensor Interface

UDPHS

USB Device High Speed

MCI1

High Speed Multimedia Card Interface 1

Reserved

AIC

Advanced Interrupt Controller

IRQ

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