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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 AT91EB55 Evaluation Board .............................................................1-1

Section 2

Setting Up the AT91EB55 Evaluation Board ........................................ 2-1

2.1

Electrostatic Warning ................................................................................2-1

2.2

Requirements............................................................................................2-1

2.3

Layout .......................................................................................................2-1

2.4

Jumper Settings ........................................................................................2-3

2.5

Powering Up the Board .............................................................................2-3

2.6

Measuring Current Consumption on the AT91M55800A ..........................2-3

2.7

Testing the AT91EB55 Evaluation Board .................................................2-4

Section 3

The On-board Software ........................................................................ 3-1

3.1

AT91EB55 Evaluation Board ....................................................................3-1

3.2

The Boot Software Program .....................................................................3-1

3.3

Programmed Default Memory Mapping ....................................................3-2

3.4

The SRAM Downloader ............................................................................3-2

3.5

The Angel Debug Monitor .........................................................................3-2

Section 4

Circuit Description................................................................................. 4-1

4.1

AT91M55800A 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 ...................................................................................4-2

4.3

Memories ..................................................................................................4-2

4.4

ADC and DAC Peripheral Connections ....................................................4-2

4.5

Power and Crystal Quartz .........................................................................4-2

4.6

Push Buttons, LEDs, Reset and Serial Interface ......................................4-3

4.7

Layout Drawing .........................................................................................4-3