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

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Компоненты Описание

производитель

AT91SAM9G45
(Rev.:2009)

AT91 ARM Thumb-based Microcontrollers

Atmel Corporation 

3. Signal Description

Table 3-1 gives details on the signal names classified by peripheral.

Table 3-1. Signal Description List

Signal Name

Function

Type

Active

Level

Power Supplies

VDDIOM0

DDR2 I/O Lines Power Supply

Power

VDDIOM1

EBI I/O Lines Power Supply

Power

VDDIOP0

Peripherals I/O Lines Power Supply

Power

VDDIOP1

Peripherals I/O Lines Power Supply

Power

VDDIOP2

ISI I/O Lines Power Supply

Power

VDDBU

Backup I/O Lines Power Supply

Power

VDDANA

Analog Power Supply

Power

VDDPLLA

PLLA Power Supply

Power

VDDPLLUTMI PLLUTMI Power Supply

Power

VDDOSC

Oscillator Power Supply

Power

VDDCORE

Core Chip Power Supply

Power

VDDUTMIC

UDPHS and UHPHS UTMI+ Core

Power Supply

Power

VDDUTMII

UDPHS and UHPHS UTMI+ interface

Power Supply

Power

GNDIOM

DDR2 and EBI I/O Lines Ground

Ground

GNDIOP

Peripherals and ISI I/O lines Ground Ground

GNDCORE

Core Chip Ground

Ground

GNDOSC

PLLA, PLLUTMI and Oscillator

Ground

Ground

GNDBU

Backup Ground

Ground

GNDUTMI

UDPHS and UHPHS UTMI+ Core and

interface Ground

Ground

GNDANA

Analog Ground

Ground

Clocks, Oscillators and PLLs

XIN

Main Oscillator Input

Input

XOUT

Main Oscillator Output

Output

XIN32

Slow Clock Oscillator Input

Input

XOUT32

Slow Clock Oscillator Output

Output

VBG

Bias Voltage Reference for USB

Analog

PCK0 - PCK1

Programmable Clock Output

Output

Reference

Voltage Comments

1.65V to 1.95V

1.65V to 1.95V or 3.0V to3.6V

1.65V to 3.6V

1.65V to 3.6V

1.65V to 3.6V

1.8V to 3.6V

3.0V to 3.6V

0.9V to 1.1V

0.9V to 1.1V

1.65V to 3.6V

0.9V to 1.1V

0.9V to 1.1V

3.0V to 3.6V

(1)

4 AT91SAM9G45

6438D–ATARM–13-Oct-09

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