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