ST25R3920

ST25R3920 Automotive high performance NFC reader for CCC digital key and car center console Datasheet - production data VFQFPN32 (5x5 mm) Features AEC-Q100 qualified Operating modes – Reader/writer – Card emulation – Active and passive peer to peer RF communication – EMVCo 3.0 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 and NFC-F / FeliCa™ card emulation – Active and passive peer to peer initiator and target modes, up to 424 kbit/s – Low level modes to implement MIFARE Classic® compliant or other custom protocols Key features – Dynamic power output (DPO) controls the field strength to stay within given limits – Active wave shaping (AWS) reduces overand under-shoots – Noise suppression receiver (NSR) allows reception in noisy environment – Automatic antenna tuning (AAT) via variable capacitor – Integrated EMVCo 3.0 compliant EMD handling – Automatic gain control and squelch feature to maximize SNR – Low power capacitive and inductive card detection – Low power NFC active and passive target modes – Adjustable ASK modulation depth, from 5 to 40% – Integrated regulators to boost system PSRR – AM/PM and I/Q demodulator with baseband channel summation or automatic channel selection – Possibility to drive two independent single ended antennas – Measurement of antenna voltage amplitude and phase, RSSI, on-chip supply and regulat...