Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
26
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
5.
Power Considerations
5.1
Power Supplies
The SAM9G25 has several types of power supply pins.
Note:
1. Refer to
for more details.
Table 5-1.
SAM9G25 Power Supplies
Name
Voltage Range, nominal
Powers
Associated
Ground
Ground
VDDCORE
0.9-1.1V, 1.0V
ARM core, internal memories, internal peripherals and
part of the system controller.
part of the system controller.
GNDCORE
VDDIOM
1.65-1.95V, 1.8V
3.0-3.6V, 3.3V
External Memory Interface I/O lines
GNDIOM
VDDNF
1.65-1.95V, 1.8V
3.0-3.6V, 3.3V
NAND Flash I/O and control, D16-D32 and multiplexed
SMC lines
SMC lines
GNDIOM
VDDIOP0
1.65-3.6V
A part of Peripheral I/O lines
GNDIOP
VDDIOP1
1.65-3.6V
A part of Peripheral I/O lines
GNDIOP
VDDBU
1.65-3.6V
The Slow Clock oscillator, the internal 32 kHz RC
oscillator and backup part of the System Controller
oscillator and backup part of the System Controller
GNDBU
VDDUTMIC
0.9-1.1V, 1.0V
The USB transceiver core logic
GNDUTMI
VDDUTMII
3.0-3.6V, 3.3V
The USB transceiver interface
GNDUTMI
VDDPLLA
0.9-1.1V, 1.0V
The PLLA and PLLUTMI cells
GNDOSC
VDDOSC
1.65-3.6V
The Main Oscillator cells
GNDOSC
VDDANA
3.0-3.6V, 3.3V
The Analog to Digital Converter
GNDANA