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Table of Contents
Section 1
Overview............................................................................................... 1-1
1.1
Scope ........................................................................................................1-1
1.2
Deliverables ..............................................................................................1-1
1.3
The AT91EB42 Evaluation Board .............................................................1-1
Section 2
Setting Up the AT91EB42
Evaluation Board .................................................................................. 2-1
2.1
Electrostatic Warning ................................................................................2-1
2.2
Requirements............................................................................................2-1
2.3
Layout .......................................................................................................2-1
2.4
Jumper Settings ........................................................................................2-2
2.5
Powering Up the Board .............................................................................2-2
2.6
Measuring Current Consumption on the AT91M42800 ............................2-2
2.7
Testing the AT91EB42 Evaluation Board .................................................2-2
Section 3
The On-board Software ........................................................................ 3-1
3.1
AT91EB42 Evaluation Board ....................................................................3-1
3.2
Boot Software Program.............................................................................3-1
3.3
Programmed Default Memory Mapping ....................................................3-2
3.4
SRAM Downloader ...................................................................................3-2
3.5
Angel Monitor ............................................................................................3-2
3.6
Programmed Default Speed .....................................................................3-2
Section 4
Circuit Description................................................................................. 4-1
4.1
AT91M42800 Processor ...........................................................................4-1
4.2
Expansion Connectors and JTAG Interface..............................................4-1
4.2.1
I/O Expansion Connector ...................................................................4-1
4.2.2
EBI Expansion Connector ..................................................................4-1
4.2.3
JTAG Interface ...................................................................................4-1
4.3
Memories ..................................................................................................4-2
4.4
Analog-to-digital Converter .......................................................................4-2
4.5
Power and Crystal Quartz .........................................................................4-2
4.6
Push Buttons, LEDs, Reset and Serial Interfaces ....................................4-2
4.7
Layout Drawing .........................................................................................4-3