MFRC522 Datasheet - NXP Semiconductors

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.

MFRC522 Standard performance MIFARE and NTAG frontend Rev. 3.9 27 April 2016 112139 Product data sheet COMPANY PUBLIC 1. Introduction This document describes the functionality and electrical specifications of the contactless reader/writer MFRC522. Remark: The MFRC522 supports all variants of the MIFARE Mini, MIFARE 1K, MIFARE 4K, MIFARE Ultralight, MIFARE DESFire EV1 and MIFARE Plus RF identification protocols. To aid readability throughout this data sheet, the MIFARE Mini, MIFARE .

MFRC522 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

MFRC522_NXPSemiconductors.pdf