User's Manual

ManualsBrandsTexas Instruments ManualsElectronicsThe TRF7960ATB and TRF7970ATB modules are development platforms for integrated analog front end and data-framing device operating as 13.56-MHz RFID Near Field Communication systems.

T E X A S I N S T R U M E N T S

Originator:

Joshua Wyatt

R F I D SYSTEMS

S P E C I F I C A T I O N

Revision: 0

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TRF79x0ATB

NFC/HF RFID Reader Module

Users Guide/Application Note

PRINTED COPIES OF THIS SPECIFICATION

ARE NOT CONTROLLED DOCUMENTS.

VERIFY THEIR CORRECT REVISION BEFORE USE.

Summary of content (25 pages)

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TEXAS INSTRUMENTS Originator: Joshua Wyatt R F I D SYSTEMS SPECIFICATION TRF79x0ATB NFC/HF RFID Reader Module Users Guide/Application Note PRINTED COPIES OF THIS SPECIFICATION ARE NOT CONTROLLED DOCUMENTS. VERIFY THEIR CORRECT REVISION BEFORE USE.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION TABLE OF CONTENTS Revision: 0 PAGE 1. Purpose................................................................................................................. 3 2. Scope..................................................................................................................... 3 3. References ............................................................................................................
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TI PROPRIETARY INFORMATION INTERNAL DATA 1. TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 Purpose This document is intended to provide direction for TRF7960A/-70A users who desire to implement a 13.56MHz NFC/RFID reader solution using the TRF79x0A IC connected to a Texas Instruments embedded microcontroller or microprocessor development platform.
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TI PROPRIETARY INFORMATION INTERNAL DATA 4. TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 TRF79x0ATB Module(s) Description The TRF79x0ATB Evaluation Modules are intended to allow the software application developer to get familiar with the functionalities of either of the TRF79x0A MultiStandard Fully Integrated 13.56 MHz NFC/RFID reader ICs with the freedom to develop on their Texas Instruments Embedded microcontroller development platform of choice.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 Figure 1: TRF7960ATB Evaluation Module Figure 2: TRF7970ATB Evaluation Module Page 5 of 25 xx-xx-xx-xxx Printed copies are not controlled documents - verify the correct revision before use.
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TI PROPRIETARY INFORMATION INTERNAL DATA 5.
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TI PROPRIETARY INFORMATION INTERNAL DATA 6. TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 TRF79x0ATB Module Schematic Note: This schematic drives two separate layouts. (TRF7960ATB.brd and TRF7970ATB.brd) the only difference is the bottom side silkscreen. Page 7 of 25 xx-xx-xx-xxx Printed copies are not controlled documents - verify the correct revision before use.
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TI PROPRIETARY INFORMATION INTERNAL DATA 7. TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 MSP-EXP430F5438 Experimenters Board The MSP430F5438 Experimenter Board (MSP-EXP430F5438) is a development platform for the latest generation MSP430 MCUs. It features a 100-pin socket which supports the MSP430F5438 (datasheet) and other devices with similar pinouts. The socket allows for quick upgrades to newer devices or quick applications changes.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 Figure 4: Debug Header (RF3) Logic Analyzer Connections for Monitoring SPI communications between MSP430F5438A and TRF79x0A on TRF79x0ATB module RF3 Debug Header Figure 5: Firmware Development\Debug Setup for MSP-EXP430F5438 Experimenters Board Page 9 of 25 xx-xx-xx-xxx Printed copies are not controlled documents - verify the correct revision before use.
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TI PROPRIETARY INFORMATION INTERNAL DATA 8. TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 DK-LM3S9B96-EM2-TRF7960R ARM Cortex M-3 Development Board The Stellaris DK-LM3S9B96-EM2-TRF7960R Development Kit provides a featurerich development platform for Ethernet, USB OTG/Host/Device, and CAN enabled Stellaris ARM® Cortex™-M3-based microcontrollers.
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TI PROPRIETARY INFORMATION INTERNAL DATA 9. TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 Quick Start 1. Plug TRF79x0ATB Module into microcontroller development platform of choice. Note: if DK-LM3S9B96 board, remove SDRAM module and replace with DK-LM3S9B96-EM2 interface board before attempting to mount TRF79x0ATB module. 2. 3. 4. 5. 6. Apply power Load base application firmware specific to platform working with.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 12. Mechanical/Physical Information Page 12 of 25 xx-xx-xx-xxx Printed copies are not controlled documents - verify the correct revision before use.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 13. Antenna Tuning Details Module antenna as shipped is tuned for 50Ω impedance at 13.56MHz. It has a nominal bandwidth of 1.3MHz, which results in a quality factor of approximately 10. Module antenna circuit has a board mounted U.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 For Q = ~20 (ISO15693 operations): RPAR  1.29k (move to standard value of 1.3kΩ) For Q = ~10 (ISO14443 and ISO15693 operations): RPAR  647 (move to standard value of 680Ω) Smith Chart simulation for RPAR value = 1.3kΩ reveals theoretical parallel and series capacitor values capacitor values to be 97pF and 51pF, respectively. (This is < +2% change from the calculated total cap value.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS Revision: 0 R F I D SYSTEMS SPECIFICATION The calculations and simulations for a desired Q range of 5 to 20 results in the following diagrams which indicate the required resistor and capacitance values should be populated. Theoretical Parallel Resistor Value for Desired Q 001.73E+03 001.53E+03 Ohms 001.33E+03 1.30E+03 001.13E+03 Rpar 925.00E+00 725.00E+00 680.71E+00 525.00E+00 325.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 Actual measurements on TRF79x0ATB module for high and lower Q value tuning solutions. Higher Q Antenna Measurement Plots with Calculated Values (Q = ~20) Lower Q Antenna Measurement Plots with Calculated Values (Q = ~10) Page 16 of 25 xx-xx-xx-xxx Printed copies are not controlled documents - verify the correct revision before use.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 14. TRF79x0ATB Module Read Ranges Page 17 of 25 xx-xx-xx-xxx Printed copies are not controlled documents - verify the correct revision before use.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 15. Revision History Rev. 0 Version SCN Description of Change 0 New Issue Date submitted By 04/18/2013 Joshua Wyatt Page 18 of 25 xx-xx-xx-xxx Printed copies are not controlled documents - verify the correct revision before use.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions: The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 REGULATORY COMPLIANCE INFORMATION As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal Communications Commission (FCC) and Industry Canada (IC) rules.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant Caution This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 For EVMs annotated as IC – INDUSTRY CANADA Compliant This Class A or B digital apparatus complies with Canadian ICES-003. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Concerning EVMs including radio transmitters This device complies with Industry Canada licence-exempt RSS standard(s).
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS Revision: 0 R F I D SYSTEMS SPECIFICATION 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。日本テキサス・インスツルメンツ株式会社東京都新宿区西新宿６丁目２４番１号西新宿三井ビル http://www.tij.co.jp EVALUATION BOARD/KIT/MODULE (EVM) WARNINGS, RESTRICTIONS AND DISCLAIMERS For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished electrical equipment and not intended for consumer use.
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TI PROPRIETARY INFORMATION INTERNAL DATA TEXAS INSTRUMENTS R F I D SYSTEMS SPECIFICATION Revision: 0 Certain Instructions. It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and environmental ranges) may cause property damage, personal injury or death.