Digi ConnectCore XP 270 Guía de aplicación

Part number/version: 90000759_C

Release date: August 2007

www.digi.com

ConnectCore™XP 270

Hardware Reference

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Information in this document is subject to change without notice and does not represent a committment

on the part of Digi International.

Digi provides this document “as is,” without warranty of any kind, either expressed or implied, including,

but not limited to, the implied warranties of, fitness or merchantability for a particular purpose. Digi may

make improvements and/or changes in this manual or in the product(s) and/or the program(s) described

in this manual at any time.

This product could include technical inaccuracies or typographical errors. Changes are made periodically

to the information herein; these changes may be incorporated in new editions of the publication.

Contents

n n n n n n n iii

Documentation updates .............................................................. viii

Chapter 1: About the Module ................................................................................... 1

Intel XScale PXA270 ..................................................................... 2

ConnectCore XP 270 module ........................................................... 3

Using the ConnectCore XP 270 chip select.................................... 5

Reset Logic......................................................................... 6

Watchdog .......................................................................... 6

Clock signals ....................................................................... 7

Flash memory ..................................................................... 7

SDRAM memory.................................................................... 7

Power Management Chip for PXA270 processor .............................. 8

Ethernet Controller............................................................... 9

External schematics for SMSC LAN91C111 Ethernet Controller........... 10

1-Wire EEPROM................................................................... 12

USB................................................................................. 14

UARTs.............................................................................. 20

SSP Serial Ports................................................................... 21

I²C Bus Interface ................................................................. 22

PC Card and CompactFlash Interface......................................... 22

MultiMedia Card / SD / SDIO Controller + Memory Stick................... 23

LCD Controller.................................................................... 24

AC’97 Controller ................................................................. 27

Pulse Width Modulator Controller ............................................. 27

Connector pinout ....................................................................... 28

ConnectCore XP pinouts: Connector X1 ...................................... 28

ConnectCore XP pinouts: Connector X2 ...................................... 33

ConnectCore XP 270 GPIOs ............................................................ 36

Bidirectional GPIOs .............................................................. 37

ConnectCore XP 270 GPIO use ................................................. 37

GPIO Controller Register Summary............................................ 46

GPIOs used internally ........................................................... 47

ConnectCore XP 270 Memory Map.................................................... 48

Chapter 2: About the Development Board .................................................51

XScale .................................................................................... 52

What’s on the development board?.................................................. 53

General Precautions............................................................. 54

Installation............................................................................... 55

Replacing the module ........................................................... 55

Setting up basic and optional connections................................... 57

Hardware block diagram .............................................................. 58

LEDs and selection of Ethernet magnetics.......................................... 59

Jumpers .................................................................................. 59

Pin descriptions ......................................................................... 61

ConnectCore XP 270 X1 pinout ....................................................... 77

ConnectCore XP 270 X2 pinout ....................................................... 81

Chapter 3: ConnectCore XP 270 Customization ..................................87

Adding custom hardware to the development board ............................. 88

Custom development board design check list...................................... 88

Appendix A: ConnectCore XP 270 Module Specifications 91

Mechanical dimensions ................................................................ 92

Environmental information............................................................ 93

Power requirements.................................................................... 94

Layout considerations.................................................................. 94

Appendix A: JTAG-Booster for Intel XScale PXA270 97

Overview ................................................................................. 98

System requirements................................................................... 98

CD files ................................................................................... 99

Connecting your PC to the target system .......................................... 99

Initialization file JTAG270.INI .......................................................100

Supported Flash devices ..............................................................100

JTAG270 Parameter Description ....................................................101

Program a Flash Device ...............................................................103

Use: JTAG270 /P filename [optionlist] ......................................103

Options ...........................................................................103

Example with Intel PXA270...........................................................106

Support for Windows NT, Windows 2000 and Windows XP ......................107

Installation on a clean system ................................................108

Installation with an already installed version 5.x/6.x of Kithara .......108

Using This Guide

vii

Review this section for basic information about the guide you are using, as

well as general support and contact information.

About this guide

This guide provides information about the Digi ConnectCore XP 270, a fully

integrated system-on-chip solution on a 67.6 x 36.7mm card.

The ConnectCore XP 270 module is built on the Intel XScale processor PXA270,

flash and SDRAM memory, and the SMSC LAN91C111 Ethernet controller.

What’s in this guide

This table shows where you can find specific information in this guide.

To read about See

ConnectCore XP 270 module Chapter 1, “About the Module”

ConnectCore XP development board Chapter 2, “About the Development Board”

Customizing the ConnectCore XP 270 Chapter 3, “ConnectCore XP 270

Customization”

Module specifications Appendix A, “ConnectCore XP 270

Module Specifications

Using This Guide

Documentation updates

viii

ConnectCore XP 270 Hardware Reference, Rev. C 08/2007

Conventions used in this guide

This table describes the typographic conventions used in this guide:

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