NXP MFRC52202HN1,151 RF Transceiver IC, 32, 32-Pin HVQFN32, HVQFN32

The NXP MFRC522 is a highly integrated reader or writer IC for contactless communication at 13.56 MHz Its internal transmitter is able to drive a reader or writer antenna designed to communicate with ISO or IEC 14443 A or MIFARE cards and transponders without additional active circuitry.

Efficient implementation for demodulating and decoding signals
Hard reset with low power function
Power-down by software mode