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NFCNXP

NCx3320

The NXP NCx3320 is an reader IC, with N/A (frontend IC, no integrated memory), operating at 13.56 MHz, under ISO/IEC 14443-A/B, ISO/IEC 15693, ISO/IEC 18092 (NFC-IP1) FeliCa.

NFC frontend IC for NFC readers with high RF performance and low power consumption

Official Datasheet ↗
Frequency
13.56 MHz
Protocol
ISO/IEC 14443-A/B, ISO/IEC 15693, ISO/IEC 18092 (NFC-IP1), FeliCa
Memory
N/A (frontend IC, no integrated memory)
Interface
SPI, I2C, UART
Temp Range
-40°C to +85°C
Form Factor
HVQFN40

Full Specifications

ManufacturerNXP
Frequency CategoryNFC
Frequency13.56 MHz
ProtocolISO/IEC 14443-A/B, ISO/IEC 15693, ISO/IEC 18092 (NFC-IP1), FeliCa
MemoryN/A (frontend IC, no integrated memory)
InterfaceSPI, I2C, UART
Temperature Range-40°C to +85°C
Form FactorHVQFN40
SecuritySupports secure messaging, cryptographic operations via host controller

Engineering Brief

The NCx3320 is a high-performance NFC frontend IC designed for reader applications requiring robust RF performance and energy efficiency. It supports multiple NFC protocols including ISO 14443 Type A/B, ISO 15693, and NFC peer-to-peer modes, making it suitable for diverse contactless applications. The chip features flexible host interfaces (SPI/I2C/UART) and operates across industrial temperature ranges, with integrated antenna driver circuitry and low-power modes for battery-powered designs. It is typically paired with a secure element or host microcontroller to implement complete NFC reader solutions.

Typical Applications

Standards & Compliance

Frequently Asked Questions

What protocols does the NXP NCx3320 support?

The NCx3320 supports ISO/IEC 14443-A/B, ISO/IEC 15693, ISO/IEC 18092 (NFC-IP1), and FeliCa protocols, enabling compatibility with a wide range of NFC tags and devices. It operates at 13.56 MHz and is designed for reader/writer applications.

Does the NCx3320 have integrated memory?

No, the NCx3320 is a frontend IC without integrated memory. It is designed to interface with a host microcontroller or secure element that handles data storage and application logic.

What host interfaces does the NCx3320 provide?

The NCx3320 offers flexible host connectivity through SPI, I2C, and UART interfaces, allowing easy integration with various microcontrollers and processors in reader systems.

Can the NCx3320 perform cryptographic operations?

The NCx3320 supports secure messaging and can facilitate cryptographic operations when paired with a host controller or secure element. The chip itself does not include standalone cryptographic engines.

What is the difference between NCx3320 and RC522?

Both are NFC/RFID reader frontend ICs operating at 13.56 MHz. The NCx3320 offers broader protocol support including FeliCa and NFC peer-to-peer modes, while the RC522 primarily focuses on ISO 14443 Type A (MIFARE). NCx3320 also features enhanced RF performance and lower power consumption.

Is the NCx3320 suitable for battery-powered NFC readers?

Yes, the NCx3320 is designed with low-power modes specifically for battery-powered applications. It features integrated antenna driver circuitry and power management optimized for portable NFC reader devices.

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