Topaz i.MX25 CPU Module
Technical Reference Manual
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Copyright Information
Notices
Copyright © 2012 Device Solutions, Ltd.
All Rights Reserved
This publication is protected by copyright and all rights reserved. No part of it may be reproduced or transmitted by any means or in any form without prior consent in writing from Device Solutions, Ltd. You may make a copy or reproduce any part of this manual for your own personal use. Making copies for any other purpose is a violation of international Copyright law.
Table of Contents
1 Introduction
2 System Components
2.1 Freescale i.MX25 Applications Processor
2.2 Packages
2.3 Memory
2.4 10/100 Ethernet
2.5 Power Supply
2.6 Debug
3 i.MX25 Features
3.1 Overview
3.2 LCD Controller
3.3 Touch Screen Controller (TSC) and Analog-to-Digital Converter (ADC)
3.4 USB OTG and Host
3.5 Enhanced Secured Digital Host Controller (eSDHC)
3.6 General Purpose Input/Output (GPIO)
3.7 Universal Asynchronous Receiver/Transmitter (UART)
3.8 Inter IC Module (I2C)
3.9 Configurable Serial Peripheral Interface (CSPI)
3.10 Controller Area Network (FlexCAN)
3.11 Synchronous Serial Interface (SSI) and audio Multiplexer (AUDMUX)
3.12 CMOS Sensor Interface (CSI)
3.13 Keypad Port (KPP)
3.14 General Purpose Timer (GPT)
3.15 Enhanced Periodic Interrupt Timer (EPIT)
3.16 Pulse-Width Modulator (PWM)
3.17 1-Wire Interface
3.18 Watchdog (WDOG)
3.19 Subscriber Identification Module (SIM)
4 Interface Signals
4.1 Signal Descriptions
4.2 LGA Pad locations
4.3 SO-DIMM Pin Locations
5 Design Checklist
5.1 Free Design Review
5.2 Power Supply
5.3 Boot Mode
5.4 Use the IOMux Tool
5.5 Check all 1.8V signals
5.6 I2C1 Signals
5.7 Expose Debug Interfaces
5.8 Bring out unused pins to test points on prototypes
5.9 Production Programming
6 Specifications
6.1 Temperature Ratings
6.2 DC Operating Conditions
6.3 Power Consumption
6.4 Considerations for the Surface-Mount Version
7 Part numbers
8 Mechanical Information
8.1 SO-DIMM
8.2 Surface-Mount LGA version
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