Setting Up the AT91SAM9261-EK Evaluation Board
2.4
2.5
2.6
2-4
Powering Up the
Board
Backup Power
Supply
Getting Started
AT91SAM9261-EK requires 5V DC (±5%). DC power is supplied to the board via the 2.1
mm by 5.5 mm socket (J1). The coaxial power plug center pin is positive polarity .
The user has the possibility to add a battery (3V Lithium Battery CR1225 or equivalent)
in order to permanently power the backup part of the device. In this case, J9 configura-
tion must to be set in position 1, 2.
The AT91SAM9261-EK evaluation board is delivered with one CD-ROM allowing the
user to begin evaluating the AT91 ARM Thumb 32-bit microcontroller quickly. Please
refer to the AT91 web site, www.atmel.com/products/AT91/ , for the most up-to-date infor-
mation on getting started with the AT91SAM9261-EK.
AT91SAM9261-EK Evaluation Board User Guide
6198C–ATARM–15-Dec-06
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