MFRC522 Datasheet

MFRC522 Standard performance MIFARE and NTAG frontend

The MFRC522 is a highly integrated reader/writer IC for contactless communication at 13.56 MHz. The MFRC522 reader supports ISO/IEC 14443 A/MIFARE and NTAG. The MFRC522’s internal transmitter is able to drive a reader/writer antenna designed to communicate with ISO/IEC 14443 A/MIFARE cards and trans.

Features

 Highly integrated analog circuitry to demodulate and decode responses
 Buffered output drivers for connecting an antenna with the minimum number of external components
 Supports ISO/IEC 14443 A/MIFARE and NTAG
 Typical operating distance in Read/Write mode up to 50 mm depending on the antenna size and tuning
 Supports MF1xxS20, MF1xxS70 and MF1xxS50 encryption in Read/Write mode
 Supports ISO/IEC 14443 A higher transfer speed communication up to 848 kBd
 Supports MFIN/MFOUT
 Additional internal power supply to the smart card IC connected via MFIN/MFOUT
 Supported host interfaces
 SP.