Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK データシート
製品コード
AT91SAM9X25-EK
18
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
5.
Power Considerations
5.1
Power Supplies
The SAM9X25 has several types of power supply pins.
Note:
1. Refer to
for more details.
Table 5-1.
SAM9X25 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.
system controller.
GNDCORE
VDDIOM
1.65–1.95V, 1.8V
3.0–3.6V, 3.3V
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
3.0–3.6V, 3.3V
NAND Flash I/O and control, D16–D31 and multiplexed SMC lines
GNDIOM
VDDIOP0
1.65–3.6V
Part of Peripheral I/O lines
GNDIOP
VDDIOP1
1.65–3.6V
Part of Peripheral I/O lines
GNDIOP
VDDBU
1.65–3.6V
Slow Clock oscillator, the internal 32 kHz RC oscillator and backup
part of the System Controller
part of the System Controller
GNDBU
VDDUTMIC
0.9–1.1V, 1.0V
USB transceiver core logic
GNDUTMI
VDDUTMII
3.0–3.6V, 3.3V
USB transceiver interface
GNDUTMI
VDDPLLA
0.9–1.1V, 1.0V
PLLA and PLLUTMI cells
GNDOSC
VDDOSC
1.65–3.6V
Main Oscillator cells
GNDOSC
VDDANA
3.0–3.6V, 3.3V
Analog-to-Digital Converter
GNDANA