NFC Active and Passive Peer to Peer Communication Reference Design
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This Near Field Communication (NFC) reference design provides a firmware example for implementing an NFC Peer to Peer (P2P) application. It is used for showing the application developer the correct way to implement a robust peer-to-peer project using the TRF7970A in both active and passive modes. The complexity of the Peer to Peer protocols and amount of NFC documentation that needs to be reviewed has traditionally been a barrier to developers creating NFC applications. This reference design solves this problem by providing a small number (five total) of easy to use Application Programming Interfaces (APIs). The documentation, hardware, and example code provided allows the designer to quickly implement NFC P2P functionality with an MSP430 or other MCU of choice.

  • Proven interoperabilty with most commonly available NFC enabled mobile devices
  • Supports Simple NDEF Exchange Protocol (SNEP) and Logical Link Control Protocol (LLCP)
  • Passive and Active Modes as Initiator and Target at 106kbps, 212kbps and 424kbps
  • Includes easily configurable GUI Software which allows selection of individual mode(s)
  • GUI Software has throughput measurement capability and payload storage, used for validation
  • Offers a standalone mode along with the GUI, which both allow sending and receiving NDEF messages

Firmware build options available for MSP-EXP430F5529 or MSP-EXP430F5529LP boards

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430F5529  25 MHz MCU with 128KB Flash, 8KB SRAM, 12-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier  Microcontrollers (MCUs)  Sample & Buy View Design Kits & Evaluation Modules
TRF7970A  Multi-Protocol Fully Integrated 13.56-MHz NFC / RFID Transceiver IC  Wireless connectivity  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430F5529 Download Download
TRF7970A Download Download

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Technical documentation

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Application note (1)
Title Type Size (KB) Date
Multiple Files   13 Mar 2019
Design files (4)
Title Type Size (KB) Date
PDF 158 01 May 2014
ZIP 675 01 May 2014
ZIP 695 04 Apr 2014
PDF 117 04 Apr 2014

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