Atmel AT91EB42 manual Section Overview, Scope, Deliverables, Evaluation Board Two serial ports

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Section 1

Overview

1.1

Scope

The AT91EB42 Evaluation Board enables real-time code development and evaluation.

 

 

It supports the AT91M42800.

 

 

This guide focuses on the AT91EB42 Evaluation Board as an evaluation and demon-

 

 

stration platform:

 

 

Section 1 provides an overview.

 

 

Section 2 describes how to set up the evaluation board.

 

 

Section 3 details the on-board software.

 

 

Section 4 contains a description of the circuit board.

 

 

￿Section 5 and Section 6 are two appendices covering configuration straps and

 

 

schematics, including pin connectors.

 

 

 

1.2

Deliverables

The evaluation board is delivered with a DB9 plug-to-DB9 socket straight-through serial

 

 

cable to connect the target evaluation board to a PC. A bare power lead with a 2.1 mm

 

 

jack on one end for connection to a bench power supply is also delivered.

The evaluation board is also delivered with a CD-ROM that contains an evaluation ver- sion of the software development toolkit and the documentation that outlines the AT91 microcontroller family.

The evaluation board is capable of supporting different kinds of debugging systems, using an ICE interface or the on-board Angel Debug Monitor. Refer to the AT91EB42 Getting Started Tutorial documents for recommendations on using the evaluation board in a full debug environment.

1.3The AT91EB42 The board consists of an AT91M42800 together with several peripherals:

Evaluation Board Two serial ports

Reset push button

Four user-defined push buttons

Eight LEDs

a 256 KB 16-bit SRAM (upgradeable to 1M byte)

a 2 MB 16-bit Flash (of which 1M byte is available for user software)

a 4 MB Serial Data Flash

a 64 KB Serial EEPROM

￿a 32 KB SPI EEPROM

AT91EB42 Evaluation Board User Guide

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Contents AT91EB42 Evaluation Board User Guide Page Table of Contents Table of Contents Appendix a Configuration StrapsScope Section OverviewDeliverables Evaluation Board Two serial portsASB OverviewLayout Section Setting Up the AT91EB42 Evaluation BoardElectrostatic Warning Board TestingMeasuring CurrentProgram Section On-board SoftwareAT91EB42 Evaluation Board Default Speed Programmed Default Memory MappingDownloader On-board SoftwareSection Circuit Description ConnectorsProcessor ExpansionMemories PowerConverter Crystal QuartzCircuit Description Circuit Description Configuration Straps CB1 23, JP1 Section Appendix a Configuration StrapsAppendix a Configuration Straps CB19 PB18 End of Fast Charge Signal CB18 PB20 ADC Write Access SignalCB15 Serial DataFlash Enabling CB17 SPI Eeprom EnablingMeasurement ConsumptionStrap JP5 JP6 Increasing Memory SizeSchematics Section Appendix B SchematicsPCB Layout Appendix B SchematicsEBI Memories AT91EB42 Evaluation Board User GuideAppendix EBI Memories SchematicsI/O and EBI Expansion Connectors Valbp Serial InterfaceAT91M42800 ICE Reset and Jtag Schematics InterfaceVDDCORE=1.8V Saft VRE 1/2 AA AT91EB42 Evaluation Board User Atmel Headquarters Atmel Operations
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