AT91SAM9G45(2009) Просмотр технического описания (PDF) - Atmel Corporation

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AT91SAM9G45
(Rev.:2009)

AT91 ARM Thumb-based Microcontrollers

Atmel Corporation 

AT91SAM9G45

8. Peripherals

8.1 Peripheral Mapping

As shown in Figure 6-1, 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.

8.2 Peripheral Identifiers

Table 8-1 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 8-1. AT91SAM9G45 Peripheral Identifiers

Peripheral ID

Peripheral Mnemonic Peripheral Name

0

AIC

Advanced Interrupt Controller

1

SYSC

System Controller Interrupt

2

PIOA

Parallel I/O Controller A,

3

PIOB

Parallel I/O Controller B

4

PIOC

Parallel I/O Controller C

5

PIOD/PIOE

Parallel I/O Controller D/E

6

RNG

True Random Number Generator

7

US0

USART 0

8

US1

USART 1

9

US2

USART 2

10

US3

USART 3

11

MCI0

High Speed Multimedia Card Interface 0

12

TWI0

Two-Wire Interface 0

13

TWI1

Two-Wire Interface 1

14

SPI0

Serial Peripheral Interface

15

SPI1

Serial Peripheral Interface

16

SSC0

Synchronous Serial Controller 0

17

SSC1

Synchronous Serial Controller 1

18

TC0..TC5

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

19

PWMC

Pulse Width Modulation Controller

20

TSADCC

Touch Screen ADC Controller

21

DMA

DMA Controller

22

UHPHS

USB Host High Speed

23

LCDC

LCD Controller

24

AC97

AC97 Controller

25

EMAC

Ethernet MAC

26

ISI

Image Sensor Interface

27

UDPHS

USB Device High Speed

29

MCI1

High Speed Multimedia Card Interface 1

30

Reserved

31

AIC

Advanced Interrupt Controller

External Interrupt

FIQ

IRQ

23

6438D–ATARM–13-Oct-09

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