ATSAM3A View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

ATSAM3A

AT91SAM ARM-based Flash MCU

Atmel Corporation 

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5.3 Typical Powering Schematics

The SAM3X/A series supports a 1.62V-3.6V single supply mode. The internal regulator input

connected to the source and its output feeds VDDCORE. Figure 5-1 shows the power

schematics.

Figure 5-1. Single Supply

VDDBU

VDDUTMI

VDDANA

VDDIO

Main Supply (1.8V-3.6V)

VDDIN

VDDOUT

Voltage

Regulator

VDDCORE

VDDPLL

Note:

Restrictions

For USB, VDDUTMI needs to be greater than 3.0V.

For ADC, VDDANA needs to be greater than 2.0V.

For DAC, VDDANA needs to be greater than 2.4V.

22 SAM3X/A

11057BS–ATARM–13-Jul-12

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