ATSAM3X 查看數據表（PDF） - Atmel Corporation

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产品描述 (功能)

生产厂家

ATSAM3X

AT91SAM ARM-based Flash MCU

Atmel Corporation 

SAM3X/A

3. Signal Description

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

Table 3-1. Signal Description List

Signal Name

VDDIO

VDDUTMI

VDDOUT

VDDIN

GNDUTMI

VDDBU

GNDBU

VDDPLL

GNDPLL

VDDANA

GNDANA

VDDCORE

GND

XIN

XOUT

XIN32

XOUT32

VBG

PCK0 - PCK2

Function

Type

Power Supplies

Peripherals I/O Lines Power Supply

Power

USB UTMI+ Interface Power Supply

Power

Voltage Regulator Output

Power

Voltage Regulator, ADC and DAC Power

Supply

Power

USB UTMI+ Interface Ground

Ground

Backup I/O Lines Power Supply

Power

Backup Ground

Ground

PLL A, UPLL and Oscillator Power Supply Power

PLL A, UPLL and Oscillator Ground

Ground

ADC and DAC Analog Power Supply

Power

ADC and DAC Analog Ground

Ground

Core Chip Power Supply

Power

Ground

Ground

Clocks, Oscillators and PLLs

Main Oscillator Input

Input

Main Oscillator Output

Output

Slow Clock Oscillator Input

Input

Slow Clock Oscillator Output

Output

Bias Voltage Reference

Analog

Programmable Clock Output

Output

Shutdown, Wakeup Logic

Active

Level

SHDN

Shut-Down Control

Output

FWUP

Force Wake-up Input

Input

Voltage

Reference Comments

1.62V to 3.6V

3.0V to 3.6V

1.62V to 3.6V

1.62 V to 1.95V

2.0V to 3.6V

1.62V to 1.95V

VDDPLL

VDDBU

VDDBU

VDDBU

0: The device is in

backup mode

1: The device is

running (not in

backup mode)

Needs external Pull-

up

9

11057BS–ATARM–13-Jul-12

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