NFC Forum-Compliant Frontend IC with Superior RF Performance for Automotive

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Block Diagram

NCx3321 Block Diagram

NCx3321 Block Diagram


Key Features

  • NFC frontend IC supporting all relevant 13.56 MHz RF protocols, reader/writer, P2P and card emulation modes
  • High power (up to 1.75 W) transmitter with dynamic power control operating autonomously from the host MCU
  • Receiver with enhanced sensitivity, noise immunity and integrated EMD handling
  • Active load modulation in card emulation mode for large operating distance
  • Support of NXP proprietary high data rates up to 212 Kbit for communication with NCx3310 (tag type 5)
  • Ultra-low power and low power card detection modes
  • Overcurrent and overtemperature protection mechanisms
  • RF Debugging either AUX0, AUX1, AUX2 outputs or without external probing of test signals
  • Compliant to NFC Forum CR13 as CCC device class
  • SPI host interface with speeds up to 15 MHz
  • Wide temperature range: -40 °C to +105 °C

Part numbers include: NCF3321AHF, NCJ3321AHF.


Quick reference to our documentation types.

2 documents

Design Resources


1 software file

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

1 engineering service

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