Instruction/ maintenance manual of the product MC68HC908QT2 Freescale Semiconductor
Go to page of 30
MO T OROLA.COM/SEMICONDUCT ORS M68HC08 Microcontrollers DRM045/D Re v . 0 Using the ASB520 Designer Ref erence Manual MC68HC908QT2 Based Infrared Remote Control Reference PC Board 9/2003 Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.
Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com nc. ...
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA 3 Motorola and the Stylized M Lo go are regi stered trademarks of Motorola, Inc. DigitalDNA is a trademark of Motorola, Inc. This product incorporates Su perFlash® technol ogy licensed from SST.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 4 Revision History MOTOROLA Revisi on Histor y Revision History Date Revision Level Description Page Number(s) September , 2003 N/A Initial release N/A Frees cale Semiconductor, I Freescale Semiconductor, Inc.
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Table of Contents 5 Designer Reference Manual — DRM045 Table of Contents Section 1. Introduction and Setup 1.1 Introduction . . . . . . . . . . . . . . .
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 6 Table of Contents MOTOROLA T able of Contents Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Introduction and Setup 7 Designer Reference Manual — DRM045 Section 1.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 8 Introduction and Setup MOTOROLA Intr oduction and Setup Figure 1-1. MC68HC908QT2 IR Re ference PC Board Photograph 1.3 Setup Guide Setup for the reference design PC board can be broken into two parts.
Introduction and Setup Setup Guide Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Introduction and Setup 9 For user operation mode, shorting jump ers nee d to be installed to jumper blocks JP1–JP4.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 10 Introduction and Setup MOTOROLA Intr oduction and Setup Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Operational Descri ption 11 Designer Reference Manual — DRM045 Section 2. Operational Description 2.1 Introduction The following subsecti ons describe the o peration of the ASB520, MC68HC908QT2 infrared remote contro l reference design system.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 12 Operational Descri ption MOTOROLA Operational Description Figure 2-1. PC Board JP1 JP2 JP4 JP3 J1 Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.
Operational Description Header and Jumpe rs Blocks Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Operational Descri ption 13 2.4 Header and Jumpers Blocks There is one 16-pin header (2 x 8-pin ), J1, and four 2-pin jumper blocks, JP1–JP4, on the PC board.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 14 Operational Descri ption MOTOROLA Operational Description 2.5 Microcontroller Curr ent Monitor Jumper Block Jumper block JP1 is intended as a connectio n on the PC board to measure the stop current of the MC68HC908QT2.
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Pin Description 15 Designer Reference Manual — DRM045 Section 3. Pin Description 3.1 Introduction There is one connector resident on the control board , labeled J1.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 16 Pi n Description MOTOROLA Pin Description Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com nc.
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Schematic and Parts List 17 Designer Reference Manual — DRM045 Section 4. Schematic and Parts List 4.1 Introduction Schematic and parts list d etail are documented in this section.
DRM045 Using the ASB520 MC68HC908QT2 Based Infr ared Remote Control Ref erence PC Board 18 Schematic and Parts List MOTOROLA Schematic and P arts List Figure 4-1.
Schematic and Parts List Parts List Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Schematic and Parts List 19 4.3 Parts List The following parts list describes the par ts content for the IR reference PC board.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 20 Schematic and Parts List MOTOROLA Schematic and P ar ts List Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Design Considerations 21 Designer Reference Manual — DRM045 Section 5.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 22 Design Considerations MOTOROLA Design Considerations A logic 1 from port A, bit 0 will turn the NPN transistor on, driving its collector low.
Design Co nsiderations Switch Circuitry Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA Design Considerations 23 The spreadsheet in Table 5-1 gives the decima l values seen by the A/D, based on which switch is depressed.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 24 Design Considerations MOTOROLA Design Considerations Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.
Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA System Testing 25 Designer Reference Manual — DRM045 Section 6. System Testing 6.1 Introduction This section will first explain how to program the control p rogram into FLASH memory of the MC68HC908QT2 microcontroll er.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 26 System Testing MOTOROLA System T esting 6.4 LED and Pu sh Button Test Code Test code is embedded in the ASB520 c ontrol program. This test code will test the switches, LED drive circuitry and visibl e LED, D2.
System Testing DVD Player Control Test Using the ASB520 MC68HC908QT2 Based Infrared Remo te Control Reference PC Board DRM045 MOTOROLA System Testing 27 6.5 DVD Player Control Test To test the infrared diode and the rest of the system in user mode, install a music CD in the APEX model 1201 DVD player.
DRM045 Using the ASB520 MC68HC908QT2 Based Infrared Remote Control Ref erence PC Board 28 System Testing MOTOROLA System T esting 15. Point the ASB520 board with LED D1 toward the DVD player and depress the REVERSE switch on the ASB520 PC board.
Frees cale Semiconductor, I Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com nc. ...
HOW TO REACH US: USA/EUROPE/LOCATIONS NOT LISTED: Motorola Literature Distribution P .O . Box 5405 Denv er, Color ado 80 217 1-800-521-6274 or 480-768-2130 JAPAN: Motorola Japan Ltd. SPS, T echnical Information Center 3-20-1, Minami-Azabu, Minato-ku T okyo 106-8573, Japan 81-3-3440-3569 ASIA/PACIFIC: Motorola Semiconductors H.
An important point after buying a device Freescale Semiconductor MC68HC908QT2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Freescale Semiconductor MC68HC908QT2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Freescale Semiconductor MC68HC908QT2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Freescale Semiconductor MC68HC908QT2 you will learn all the available features of the product, as well as information on its operation. The information that you get Freescale Semiconductor MC68HC908QT2 will certainly help you make a decision on the purchase.
If you already are a holder of Freescale Semiconductor MC68HC908QT2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Freescale Semiconductor MC68HC908QT2.
However, one of the most important roles played by the user manual is to help in solving problems with Freescale Semiconductor MC68HC908QT2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Freescale Semiconductor MC68HC908QT2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
