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ST25R3912 - High performance HF reader / NFC initiator

Description

The ST25R3912 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™ r

Features

  • ISO 18092 (NFCIP-1) Active P2P.
  • ISO14443A, ISO14443B, ISO15693 and FeliCa™.
  • Supports HBR up to 848 kbit/s PICC to PCD and PCD to PICC framing.
  • Inductive sensing - Wake-up.
  • Automatic modulation index adjustment.
  • AM and PM (I/Q) demodulator channels with automatic selection.
  • Up to 1 W in case of differential output.
  • User selectable and automatic gain control.
  • Transparent and Stream modes to implement MIFARE™ Classic.

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Datasheet preview – ST25R3912

Datasheet Details

Part number ST25R3912
Manufacturer STMicroelectronics
File Size 2.04 MB
Description High performance HF reader / NFC initiator
Datasheet download datasheet ST25R3912 Datasheet
Additional preview pages of the ST25R3912 datasheet.

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Full PDF Text Transcription

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ST25R3912 High performance HF reader / NFC initiator for payment applications with 1 W output power Datasheet - production data WLCSP QFN32 / VFQFPN32 Features • ISO 18092 (NFCIP-1) Active P2P • ISO14443A, ISO14443B, ISO15693 and FeliCa™ • Supports HBR up to 848 kbit/s PICC to PCD and PCD to PICC framing • Inductive sensing - Wake-up • Automatic modulation index adjustment • AM and PM (I/Q) demodulator channels with automatic selection • Up to 1 W in case of differential output • User selectable and automatic gain control • Transparent and Stream modes to implement MIFARE™ Classic compliant or other custom protocols • Possibility of driving two antennas in single ended mode • Oscillator input capable of operating with 13.56 or 27.
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