Table Of Contents - Texas Instruments TRF7970A Instruction Manual

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1 Device Overview
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1.1 Features
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1.2 Applications
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1.3 Description
1.4 Functional Block Diagram
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2 Revision History
3 Device Characteristics
4 Terminal Configuration and Functions
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4.1 Pin Assignments
4.2 Terminal Functions
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5 Specifications
5.1 Absolute Maximum Ratings
5.2 Recommended Operating Conditions
5.3 Electrical Characteristics
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5.4 Handling Ratings
5.5 Thermal Characteristics
5.6 Switching Characteristics
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6 Detailed Description
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6.1 Overview
6.2 System Block Diagram
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6.3 Power Supplies
6.4 Receiver - Analog Section
6.5 Receiver - Digital Section
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6.6 Oscillator Section
6.7 Transmitter - Analog Section
Copyright © 2011-2014, Texas Instruments Incorporated

Table of Contents

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SLOS743K - AUGUST 2011 - REVISED APRIL 2014
1
6.8 Transmitter - Digital Section
6.9 Transmitter - External Power Amplifier and
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Subcarrier Detector
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6.10 TRF7970A IC Communication Interface
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6.11 Special Direct Mode for Improved MIFARE™
2
Compatibility
4
6.12 NFC Modes
5
6.13 Direct Commands from MCU to Reader
6
6.14 Register Description
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7 Application Schematic and Layout
7
Considerations
9
7.1 TRF7970A Reader System Using Parallel
9 Microcontroller Interface
7.2 TRF7970A Reader System Using SPI With SS
9
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Mode
10
7.3 Layout Considerations
11
7.4 Impedance Matching TX_Out (Pin 5) to 50 Ω
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7.5 Reader Antenna Design Guidelines
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8 Device and Documentation Support
12
8.1 Documentation Support
12
8.2 Community Resources
15
8.3 Trademarks
15
8.4 Electrostatic Discharge Caution
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8.5 Glossary
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9 Mechanical Packaging and Orderable
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Information
28
9.1 Packaging Information
TRF7970A
TRF7970A
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