User`s guide

LPC3250 Developer’s Kit - User’s Guide
Page 3
Copyright 2011 © Embedded Artists AB
Table of Contents
1 Document Revision History 5
2 Introduction 6
2.1 Features 6
2.2 ESD and Handling Precaution 7
2.3 LPC3250 Core Voltage Precaution 8
2.4 CE Assessment 8
2.5 Other Products from Embedded Artists 8
2.5.1 Design and Production Services 8
2.5.2 OEM / Education / QuickStart Boards and Kits 8
3 LPC3250 OEM Board Design 9
3.1 LPC3250 OEM Board Schematics 9
3.1.1 Schematic Page 2: Misc 9
3.1.2 Schematic Page 3: Powering 10
3.1.3 Schematic Page 4: External Memories 10
3.1.4 Schematic Page 5: Digital and Analog IO 11
3.1.5 Schematic Page 6: Ethernet Interface 11
3.1.6 Schematic Page 7: USB Interface 11
3.1.7 Schematic Page 8: Expansion Connector 12
3.2 Usage of CPU Pins 12
3.3 LPC3250 OEM Board Mechanical Dimensions and Connector 15
3.4 Things to note about the LPC3250 OEM Board 16
3.4.1 LPC3250 Adjustable Core Voltage 16
3.4.2 NAND FLASH Bad Block 16
3.4.3 Brand of Memory Chips 16
3.4.4 LPC3250 Peripherals 17
4 QVGA Base Board Design 18
4.1 QVGA Base Board Schematics 18
4.2 Signal Mapping to QVGA Base Board 18
4.3 Jumpers 25
4.3.1 Default Jumper Positions 26
4.3.2 Illegal Jumper Combinations 26
4.4 Connectors 27
4.4.1 Mictor-38 ETM Connector 27
4.5 Important Components 28
4.6 USB Interface 29
4.6.1 USB Interface Note 29
5 Getting Started 31
5.1 Initial Setup and Powering 31
5.2 FTDI USB Driver 31
5.2.1 USB Driver Behavior 34