
AT91SAM9RL-EK Evaluation Board User Guide i
6325A–ATARM–08-Jan-08
Table of Contents
Section 1
Overview ....................................................................................................................1-1
1.1 Scope................................................................................................................................. 1-1
1.2 Deliverables ....................................................................................................................... 1-1
1.3 AT91SAM9RL-EK Evaluation Board.................................................................................. 1-1
Section 2
Setting Up the AT91SAM9RL-EK Board ....................................................................2-1
2.1 Electrostatic Warning......................................................................................................... 2-1
2.2 Requirements..................................................................................................................... 2-1
2.3 Layout ................................................................................................................................ 2-2
2.4 Powering Up the Board...................................................................................................... 2-4
2.5 Backup Power Supply........................................................................................................ 2-4
2.6 Getting Started................................................................................................................... 2-4
2.7 AT91SAM9RL-EK Block Diagram...................................................................................... 2-5
Section 3
Board Description.......................................................................................................3-1
3.1 AT91SAM9RL64 Microcontroller ....................................................................................... 3-1
3.2 AT91SAM9RL Block Diagram............................................................................................ 3-4
3.3 Microcontroller ................................................................................................................... 3-4
3.4 Memory.............................................................................................................................. 3-4
3.5 Clock Circuitry.................................................................................................................... 3-4
3.6 Reset Circuitry ................................................................................................................... 3-5
3.7 Shutdown Controller ..........................................................................................................3-5
3.8 Power Supply Circuitry.......................................................................................................3-5
3.9 Remote Communication .................................................................................................... 3-5
3.10 Audio Stereo Interface ....................................................................................................... 3-5
3.11 User Interface .................................................................................................................... 3-5
3.12 Debug Interface ................................................................................................................. 3-5
3.13 Expansion Slot................................................................................................................... 3-6
3.14 PIO Usage ......................................................................................................................... 3-7
Section 4
Jumpers......................................................................................................................4-1
4.1 Jumpers ............................................................................................................................. 4-1
4.2 JTAG/ICE........................................................................................................................... 4-1