Example: air traffic controller

microID® 13.56 MHz RFID System Design Guide

2004 Microchip Technology Inc. DS21299 EmicroID MHz RFIDS ystem Design GuideNEW CUSTOMER NOTIFICATION SYSTEMR egister on our web site ( ) to receive the mostcurrent information on our - page ii 2004 Microchip Technology SHEET MARKINGSM icrochip uses various data sheet markings to designate each document phase as it relates to the product develop-ment stage. The markings appear at the bottom of the data sheet, between the copyright and document and pagenumbers. The definitions for each marking are provided below for your InformationThe information is on products in the Design phase.

2004 Microchip Technology Inc. DS21299E microID® 13.56 MHz RFID System Design Guide NEW CUSTOMER NOTIFICATION SYSTEM Register on our web site (www.microchip.com) to receive the most

Tags:

  Guide, System, Design, Rfid, Receive, Mhz rfid system design guide

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Other abuse

Transcription of microID® 13.56 MHz RFID System Design Guide

1 2004 Microchip Technology Inc. DS21299 EmicroID MHz RFIDS ystem Design GuideNEW CUSTOMER NOTIFICATION SYSTEMR egister on our web site ( ) to receive the mostcurrent information on our - page ii 2004 Microchip Technology SHEET MARKINGSM icrochip uses various data sheet markings to designate each document phase as it relates to the product develop-ment stage. The markings appear at the bottom of the data sheet, between the copyright and document and pagenumbers. The definitions for each marking are provided below for your InformationThe information is on products in the Design phase.

2 Your designs should not be finalized with this information as revised information will be published when the product becomes is preliminary information on new products in production but not yet fully characterized. The specifications in these data sheets are subject to change without notice. Before you finalize your Design , please ensure that you have the most current revision of the data sheet by contacting your Microchip sales MarkingInformation contained in the data sheet is on products in full contained in this publication regarding deviceapplications and the like is provided only for your convenienceand may be superseded by updates.

3 It is your responsibility toensure that your application meets with your MAKES NO REPRESENTATIONS ORWARRANTIES OF ANY KIND WHETHER EXPRESS ORIMPLIED, WRITTEN OR ORAL, STATUTORY OROTHERWISE, RELATED TO THE INFORMATION,INCLUDING BUT NOT LIMITED TO ITS CONDITION,QUALITY, PERFORMANCE, MERCHANTABILITY ORFITNESS FOR PURPOSE. Microchip disclaims all liabilityarising from this information and its use. Use of Microchip sproducts as critical components in life support systems is notauthorized except with express written approval by licenses are conveyed, implicitly or otherwise, under anyMicrochip intellectual property Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, microID, MPLAB, PIC, PICmicro, PICSTART, PRO MATE, PowerSmart, rfPIC, and SmartShunt are registered trademarks of Microchip Technology Incorporated in the and other , FilterLab, Migratable Memory, MXDEV.

4 MXLAB, PICMASTER, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the Age, Application Maestro, dsPICDEM, , dsPICworks, ECAN, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, MPASM, MPLIB, MPLINK, MPSIM, PICkit, PICDEM, , PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the and other is a service mark of Microchip Technology Incorporated in the other trademarks mentioned herein are property of their respective companies.

5 2004, Microchip Technology Incorporated, Printed in the , All Rights Reserved. Printed on recycled received ISO/TS-16949:2002 quality System certification for its worldwide headquarters, Design and wafer fabrication facilities in Chandler and Tempe, Arizona and Mountain View, California in October 2003. The Company s quality System processes and procedures are for its PICmicro 8-bit MCUs, KEELOQ code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip s quality System for the Design and manufacture of development systems is ISO 9001:2000 certified.

6 2004 Microchip Technology iiiPAGEPASSIVE rfid 1 System Handshake .. 3 Backscatter Modulation .. 3 Data 4 Data Modulation for 125 kHz Devices (MCRF2XX) .. 6 Anti-collision .. 7 MCRF355/360 DATA SHEETF eatures .. 9 Application .. 9 Package Type .. 9 Description .. Electrical Characteristics .. Functional Resonant Device 18 MCRF355/360 Guide Product Identification 27 MICROCHIP DEVELOPMENT KIT SAMPLE FORMAT FOR THE MCRF355/360 DEVICES29 FACTORY PROGRAMMING SUPPORT (SQTPSM) 31 File Specification.

7 31 MCRF450/451/452/455 DATA SHEETF eatures .. 33 Applications .. 33 Package Description .. Electrical Characteristics .. Block Diagram .. Analog Front-End .. Detection and Encoding .. Read/Write Anti-Collision Memory Section .. Device Failed Die Identification .. Wafer Delivery Notice on Die and Wafer Handling .. References .. Packaging 73 MCRF450/451/452/455 Product Identification System .. 79 Table of ContentsDS21299E-page iv 2004 Microchip Technology ALGORITHM FOR MCRF45X READ/WRITE 81 Computation 82 Example with Source Code for CRC Calculation.

8 84 MCRF355/360 APPLICATION NOTE: MODE OF OPERATION AND EXTERNAL RESONANT 87 Mode of 87 Anti-collision Features .. 89 External Circuit 90 Programming of 92 ANTENNA CIRCUIT Design FOR rfid 93 Review of a Basic Theory for rfid antenna 93 Induced Voltage in an Antenna Coil .. 95 Wire Types and Ohmic Losses .. 98 Inductance of Various Antenna Coils ..101 Configuration of Antenna 111 Consideration on Quality Factor Q and Bandwidth of Tuning Circuit .. 113 Resonant Circuits .. 114 Tuning Method .. 117 Read Range of rfid Devices.

9 118 References .. 139 MCRF355/360 READER REFERENCE Reader Optimization for Long-Range Applications .. Reader Reader Bill of Materials .. Reader Source Code for the PICmicro MCU .. MHZ READER REFERENCE Design FOR THE MCRF450/451/452/455 READ/WRITE DEVICES AND MCRF355/360 READ-ONLY Interrogator 165 INTERFACE CONTROL DOCUMENT FOR THE MHZ MCRF450/451/452/455 ANTI-COLLISION INTERROGATORS cope .. 177 Referenced 189 External Interfaces .. 177 Table of Contents 2004 Microchip Technology vPAGEPICMICRO MICROCONTROLLER FIRMWARE FLOW CHART191 RECOMMENDED ASSEMBLY Wafer on Frame Assembly Flow.

10 Wafer Assembly 206 WORLDWIDE SALES AND SERVICE208 Table of ContentsDS21299E-page vi 2004 Microchip Technology : 2004 Microchip Technology 1AN680 INTRODUCTIONR adio Frequency Identification ( rfid ) systems useradio frequency to identify, locate and track people,assets and animals. Passive rfid systems arecomposed of three components a reader (interroga-tor), passive tag and host computer. The tag iscomposed of an antenna coil and a silicon chip thatincludes basic modulation circuitry and nonvolatilememory.


Related search queries