AT32UC3A0512-ALTES ATMEL [ATMEL Corporation], AT32UC3A0512-ALTES Datasheet - Page 16

• Manufacturer Part Number: AT32UC3A0512-ALTES
• Description: AVR32 32-Bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

7. Power Considerations
7.1
32058FS–AVR32–08/08
Power Supplies
The AT32UC3A has several types of power supply pins:
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The ground pins GND are common to VDDCORE, VDDIO, VDDPLL. The ground pin for
VDDANA is GNDANA.
Refer to
3.3V
VDDIO: Powers I/O lines. Voltage is 3.3V nominal.
VDDANA: Powers the ADC Voltage is 3.3V nominal.
VDDIN: Input voltage for the voltage regulator. Voltage is 3.3V nominal.
VDDCORE: Powers the core, memories, and peripherals. Voltage is 1.8V nominal.
VDDPLL: Powers the PLL. Voltage is 1.8V nominal.
”Power Consumption” on page 42
Single Power Supply
ADVREF
VDDPLL
VDDANA
VDDIO
VDDCORE
VDDIN
VDDOUT
Regulator
1.8V
for power consumption on the various supply pins.
3.3V
1.8V
Dual Power Supply
ADVREF
VDDANA
VDDPLL
VDDIO
VDDIN
VDDCORE
VDDOUT
AT32UC3A
Regulator
1.8V
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