Datasheet

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 Table 4-2 for more details.
Table 5-1. SAM9G25 Power Supplies
Name Voltage Range, nominal Powers Associated
Ground
VDDCORE 0.9-1.1V, 1.0V
ARM core, internal memories, internal peripherals and
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
GNDIOM
VDDIOP0 1.65-3.6V A part of Peripheral I/O lines
(1)
GNDIOP
VDDIOP1 1.65-3.6V A part of Peripheral I/O lines
(1)
GNDIOP
VDDBU 1.65-3.6V
The Slow Clock oscillator, the internal 32 kHz RC
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