Features：

• Operating modes

– Reader/writer

– Card emulation

– Active and passive peer to peer

• RF communication

– EMVCo® 3.1a analog and digital compliant

– NFC-A / ISO14443A up to 848 kbit/s

– NFC-B / ISO14443B up to 848 kbit/s

– NFC-F / FeliCa™ up to 424 kbit/s

– NFC-V / ISO15693 up to 53 kb/s

– NFC-A / ISO14443A (106 kbit/s) andNFC-F / FeliCa™ (212/424 kbit/s) cardemulation

– Active and passive peer to peer initiatorand target modes, up to 424 kbit/s

– Low level modes to implement MIFAREClassic® compliant or other customprotocols

• Key features

– Dynamic power output (DPO) controls thefield strength to stay within given limits

– Active wave shaping (AWS) reduces overand under-shoots

– Noise suppression receiver (NSR) allowsreception in noisy environment

– Automatic antenna tuning (AAT) viavariable capacitor

– Integrated EMVCo® 3.1a compliant EMDhandling

– Automatic gain control and squelch featureto maximize SNR

– Low power NFC active and passive targetmodes

– Adjustable ASK modulation depth, from 0to 82%

– Integrated regulators to boost systemPSRR

– AM/PM and I/Q demodulator withbaseband channel summation or automaticchannel selection

– Possibility to drive two independent singleended antennas

– Measurement of antenna voltage amplitudeand phase, RSSI, on-chip supply andregulated voltages

• External communication interfaces

– 512-byte FIFO

– Serial peripheral interface (SPI) up to10 Mbit/s

– I2C with up to 400 kbit/s in Fast-mode,1 Mbit/s in Fast-mode Plus, and 3.4 Mbit/sin High-speed mode

• Electrical characteristics

– Wide supply voltage and ambienttemperature range (2.6 to 5.5 V from -40 °Cto +105 °C, 2.4 to 5.5 V from -20 °C to+105 °C)

– Wide peripheral communication supplyrange, from 1.65 to 5.5 V

– Quartz oscillator capable of operating with27.12 MHz crystal with fast start-up