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Freescale Semiconductor MC68HC908QT2, M68HC08 manual Reference Design, Freescale Semiconductor, Inc

Models: M68HC08

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Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.

Using the ASB520 MC68HC908QT2 Based

Infrared Remote Control Reference

PC Board

Reference Design

By: Bill Lucas

Motorola Transportation and Standard Products Group

Austin, TX

To provide the most up-to-date information, the revision of our documents on the World Wide Web will be the most current. Your printed copy may be an earlier revision. To verify you have the latest information available, refer to:

http://motorola.com/semiconductors

The following revision history table summarizes changes contained in this document. For your convenience, the page number designators have been linked to the appropriate location.

Motorola and the Stylized M Logo are registered trademarks of Motorola, Inc.
DigitalDNA is a trademark of Motorola, Inc.
This product incorporates SuperFlash® technol ogy licensed from SST.	© Motorola, Inc., 2003

Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Reference PC Board	DRM045

MOTOROLA	3
For More Information On This Product,
Go to: www.freescale.com

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Freescale Semiconductor M68HC08 Reference Design, Freescale Semiconductor, Inc, Using the ASB520 MC68HC908QT2 Based

Contents

Remote Control Reference PC Board Freescale Semiconductor, IncFreescale Semiconductor, Inc Using the ASB520 MC68HC908QT2 Based InfraredFreescale Semiconductor, Inc Freescale Semiconductor, IncFor More Information On This Product Freescale Semiconductor, Inc Reference DesignUsing the ASB520 MC68HC908QT2 Based Infrared Remote Control Reference PC BoardFreescale Semiconductor, Inc Revision HistoryRevision History Freescale Semiconductor, IncSection 6. System Testing Table of ContentsSection 1. Introduction and Setup Section 4. Schematic and Parts ListDRM045 Table of ContentsFreescale Semiconductor, Inc Freescale Semiconductor, IncFreescale Semiconductor, Inc Section 1. Introduction and Setup1.1 Introduction 1.2 About this ManualFreescale Semiconductor, Inc Introduction and Setup1.3 Setup Guide Freescale Semiconductor, IncFreescale Semiconductor, Inc Introduction and Setup Setup GuideIntroduction and Setup Freescale Semiconductor, IncDRM045 Introduction and SetupFreescale Semiconductor, Inc Freescale Semiconductor, Inc2.2 Push Buttons 2.3.1 Red Activity Indicator LEDSection 2. Operational Description 2.1 IntroductionJP1 JP2 JP3 JP4 Operational DescriptionFigure 2-1.PC Board Freescale Semiconductor, Inc2.4 Header and Jumpers Blocks Freescale Semiconductor, IncFreescale Semiconductor, Inc Operational Description 2.5 Microcontroller Current Monitor Jumper BlockFreescale Semiconductor, Inc Freescale Semiconductor, IncTable 3-1.MON08 Pin Assignments 3.2 16-PinConnector J1Section 3. Pin Description 3.1 IntroductionDRM045 Pin DescriptionFreescale Semiconductor, Inc Freescale Semiconductor, IncFreescale Semiconductor, Inc Section 4. Schematic and Parts List4.2 Schematic 4.1 IntroductionFigure 4-1.ASB520 PC Schematic and Parts ListBoard Schematic Semiconductor, IncFreescale Semiconductor, Inc 4.3 Parts ListTable 4-1.Reference PC Board Parts List Schematic and Parts List Parts ListDRM045 Schematic and Parts ListFreescale Semiconductor, Inc Freescale Semiconductor, Inc5.2 Grounding FreescaleSection 5. Design Considerations 5.1 IntroductionFreescale Semiconductor, Inc 5.4 Switch CircuitryFigure 5-2.Switch Circuitry Design ConsiderationsFreescale Semiconductor, Inc Table 5-1.Switch Input A/D ValuesDesign Considerations Switch Circuitry SwitchDRM045 Freescale Semiconductor, IncFreescale Semiconductor, Inc Design Considerations6.3FLASH Programming Section 6. System Testing6.2 Hardware/Software Testing Summary 6.1 IntroductionFreescale Semiconductor, Inc System Testing6.4 LED and Push Button Test Code Freescale Semiconductor, Inc6.5 DVD Player Control Test Freescale Semiconductor, IncFreescale Semiconductor, Inc Freescale Semiconductor, Inc System TestingSystem Testing Freescale Semiconductor, IncFreescale Semiconductor, Inc Freescale Semiconductor, IncFor More Information On This Product For More Information On This Product HOW TO REACH USFreescale Semiconductor, Inc Freescale Semiconductor, Inc