Overview

1-2

AT91EB42 Evaluation Board User Guide

If required, user-defined peripherals can also be added to the board. See Section 5 for

details.

Figure 1-1. AT91EB42 Evaluation Board Block Diagram

JTAG

ICE

Connector

ARM7TDMI

Processor

8K Byte

RAM

EBI

EBI

Expansion

Connector

AMBA

Bridge

Push-buttons

Interrupt

Controller

Watchdog

PIO

Timer

Counters

AT91M42800

ASB

APB

Reset

Controller

Reset

Controller

Serial

EEPROM

LEDs

SRAM

Flash

SPI

Serial

Ports

I/O

Expansion

Connector

Serial

Data

Flash

RS232

Transceivers

DB9 Serial

Connectors

Reset

32.768 KHz

Crystal

Clock

Generator

PIO

Serial

EEPROM

System

Timer

2.1mm DC

Power

Socket

Fast-charge

Controller

Battery

Connector

Power Supply