MFRC523 Datasheet | NXP Semiconductors

.. Contactless reader IC Rev. 3.3 - 5 March 2010 115233 Product data sheet PUBLIC 1. Introduction This document describes the functionality and electrical specifications of the contactless reader/writer MFRC523. 2. General description The MFRC523 is a highly integrated reader/writer for contactless munication at 13.56 MHz. The MFRC523 reader supports ISO/IEC 14443 A/MIFARE mode. The MFRC523’s internal transmitter is able to drive a reader/writer antenna designed to municate with ISO/IEC 14443 A/MIFARE cards and transponders without additional active circuitry. The receiver module provides a robust and efficient implementation for demodulating and decoding...