Table of Contents
Section 1
Overview............................................................................................... 1-1
1.1
1.2
1.3
Scope........................................................................................................1-1
Deliverables ..............................................................................................1-1
The AT91SAM9261-EK Evaluation Board ................................................1-1
Section 2
Setting Up the AT91SAM9261-EK Evaluation Board ........................... 2-1
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Electrostatic Warning ................................................................................2-1
Requirements............................................................................................2-1
Layout .......................................................................................................2-2
Powering Up the Board .............................................................................2-3
Backup Power Supply ...............................................................................2-4
Getting Started..........................................................................................2-4
AT91SAM9261-EK Block Diagram ...........................................................2-4
Section 3
Board Description ................................................................................. 3-1
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
AT91SAM9261 Microcontroller .................................................................3-1
AT91SAM9261 Block Diagram .................................................................3-4
Memory .....................................................................................................3-5
Clock Circuitry ...........................................................................................3-5
Reset Circuitry ..........................................................................................3-5
Shutdown Controller .................................................................................3-5
Power Supply Circuitry..............................................................................3-5
Remote Communication ...........................................................................3-5
Audio Stereo Interface ..............................................................................3-5
User Interface ...........................................................................................3-5
Debug Interface ........................................................................................3-6
Expansion Slot ..........................................................................................3-6
Section 4
Configuration Straps ............................................................................. 4-1
4.1
Configuration Straps .................................................................................4-1
Section 5
Schematics ........................................................................................... 5-1
5.1
Schematics ...............................................................................................5-1
AT91SAM9261-EK Evaluation Board User Guide
i
6198A–ATARM–15-Nov-05
Section 1
Overview
1.1
Scope
The AT91SAM9261-EK evaluation kit is an effective platform for evaluating chip perfor-
mance and developing code for applications based on the AT91SAM9261.
This guide is a description of the hardware included in the AT91SAM9261-EK evaluation
kit. Software files are available on the DVD-ROM included in the kit and described in
“Deliverables” below.
1.2
Deliverables
The AT91SAM9261-EK package contains the following items:
!
an AT91SAM9261-EK board
!
one A/B-type USB cable
!
one serial RS232 cable
!
one RJ45 crossed Ethernet cable
!
one DataFlash
®
card
!
universal input AC/DC power supply with US and EU plug adapter
!
one DVD-ROM containing summary and full datasheets, datasheets with electrical
and mechanical characteristics, application notes and getting started documents for
all development boards and AT91 microcontrollers. An AT91 software package with C
and assembly listings is also provided. This allows the user to begin evaluating the
AT91 ARM
®
Thumb
®
32-bit microcontroller quickly.
1.3
The
AT91SAM9261-
EK Evaluation
Board
The board is equipped with an AT91SAM9261 (217-ball LFBGA package) together with
the following:
!
64 Mbytes of SDRAM memory
!
256 Mbytes of NAND Flash memory
!
one Atmel 32 Mbit serial DataFlash (AT45DB321C-CNC)
!
one USB device port interface
!
two USB host port interfaces
!
one DBGU serial communication port
AT91SAM9261-EK Evaluation Board User Guide
1-1
6198A–ATARM–15-Nov-05
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