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)
• Active wave shaping (AWS) with overshoot/undershoot protection
• Option to connect two independent single-ended antennas
• Integrated EMD handling
• 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 10 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 6 Vp
• Quartz oscillator capable of operating with 27.12 MHz crystal with fast startup
Package
• UFQFPN24 is ECOPACK2 compliant