
AT91SAM9G45-EKES User Guide 1-i
6481B–ATARM–27-Nov-09
Section 1
Introduction.................................................................................................................1-1
1.1 Scope ................................................................................................................................. 1-1
1.2 Applicable Documents ....................................................................................................... 1-2
Section 2
Kit Contents ................................................................................................................2-1
2.1 Deliverables ....................................................................................................................... 2-1
2.2 Evaluation Board Specifications......................................................................................... 2-2
2.3 Electrostatic Warning ......................................................................................................... 2-2
Section 3
Power Up....................................................................................................................3-1
3.1 Power Up the Board...........................................................................................................3-1
3.2 Battery................................................................................................................................ 3-1
3.3 DevStart ............................................................................................................................. 3-1
3.4 Recovery Procedure .......................................................................................................... 3-1
3.5 Sample Code and Technical Support ................................................................................ 3-2
Section 4
Board Description .......................................................................................................4-1
4.1 Equipment on the Board .................................................................................................... 4-1
4.1.1 Interfaces ............................................................................................................. 4-1
4.1.2 Board Interface Connection ................................................................................. 4-2
4.1.3 Push Button Switches.......................................................................................... 4-2
4.1.4 Display LCD and LEDs ........................................................................................ 4-3
4.2 Hardware Layout and Configuration .................................................................................. 4-3
4.2.1 Processor............................................................................................................. 4-3
4.2.2 Clock Circuitry...................................................................................................... 4-3
4.2.3 Reset Circuitry ..................................................................................................... 4-4
4.2.4 Memory................................................................................................................ 4-4
4.2.5 Power Supplies.................................................................................................... 4-7
4.2.6 Debug Interface ................................................................................................... 4-9
4.2.7 Audio Stereo Interface ....................................................................................... 4-14
4.2.8 TV-Out Extension .............................................................................................. 4-16
4.2.9 Software Controlled LEDs ................................................................................. 4-16
4.2.10 Serial Peripheral Interface Controller (SPI) ....................................................... 4-17
4.2.11 Two Wire Interface (TWI)................................................................................... 4-18
4.2.12 SD/MMC Interface ............................................................................................. 4-18
4.2.13 TFT LCD with Touch Panel ............................................................................... 4-20
4.2.14 Push Buttons ..................................................................................................... 4-22