Description
The ST25R3911B is a highly integrated NFC Initiator / HF reader IC, including the analog front end (AFE) and a highly integrated data framing system for ISO 18092 (NFCIP-1) initiator, ISO 18092 (NFCIP-1) active target, ISO 14443A and B reader (including high bit rates), ISO 15693 reader and FeliCa™ reader.
Features
- ISO 18092 (NFCIP-1) Active P2P.
- ISO14443A, ISO14443B, ISO15693 and FeliCa™.
- Supports VHBR (3.4 Mbit/s PICC to PCD framing, 6.8 Mbit/s AFE and PCD to
PICC framing).
- Capacitive sensing - Wake-up.
- Automatic antenna tuning system providing tuning of antenna LC tank.
- Automatic modulation index adjustment.
- AM and PM demodulator channels with automatic selection.
- DPO (Dynamic power output).
- Up to 1.4 W in case of differen.
ST25R3911B-STMicroelectronics.pdf
