Features

Operating modes

• Reader/Writer

RF communication

• ISO14443A/NFC-A at 106 kbit/s

• ISO14443B/NFC-B at 106 kbit/s

• ISO15693/NFC-V up to 53 kbit/s

• NFC Forum T1T, T2T, T4T, and T5T tag types

• Proprietary protocols, such as Kovio, CTS, and B’

• Low level modes to implement MIFARE Classic® compliant or other custom

protocols

Key features

• Improved low power card detection based on inductive wake-up

• High output power with dynamic power output (DPO)

• Option to connect two independent single-ended antennas

• Adjustable ASK modulation depth

• Automatic gain control and squelch feature to maximize SNR (signal-to-noise

ratio)

• Integrated regulators to boost system PSRR

• Measurement of antenna characteristics (I/Q channels)

• 256-byte FIFO

External communication interfaces

• Serial peripheral interface (SPI) up to 6 Mbit/s

Electrical characteristics

• Supply voltage range: from 2.7 to 5.5 V

• Peripheral communication supply range: from 2.7 to 5.5 V

• Antenna driver voltage range, up to 6VP

• Quartz oscillator capable of operating with 27.12 MHz crystal with fast startup

Package

• UFQFPN24 is ECOPACK2 compliant

Applications

The ST25R100 is suitable for a wide range of NFC and HF RFID applications in the consumer and industrial

segment, among them:

• Healthcare

• Access control

• Beauty and lifestyle

• Kitchen and home appliances

• Gaming and education

• Home automation and entertainment

• Industrial and tools

• IoT

Enabled by the extensive feature set, the ST25R100 can be used to implement use cases like:

• Brand protection

• Accessory recognition

• Automatic parameter setting

• Identification

• Metering

• Transportation and ticketing

• User interaction and consumer engagement