MFRC52202HN1 13.56MHz RFID/NFC Reader IC with ISO 14443A/MIFARE Support SPI/I2C/UART Interfaces, 10cm Range, Low Power Mode Anti-Collision and Compact

MFRC52202HN1 13.56MHz RFID/NFC Reader IC with ISO 14443A/MIFARE Support SPI/I2C/UART Interfaces, 10cm Range, Low Power Mode Anti-Collision and Compact HVQFN32 Package for Secure Access Systems

Features and benefits

 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

SPI up to 10 Mbit/s

I2C-bus interface up to 400 kBd in Fast mode, up to 3400 kBd in High-speed mode

RS232 Serial UART up to 1228.8 kBd, with voltage levels dependant on pin voltage supply

 FIFO buffer handles 64 byte send and receive

 Flexible interrupt modes

 Hard reset with low power function

 Power-down by software mode

 Programmable timer

 Internal oscillator for connection to 27.12 MHz quartz crystal

 2.5 V to 3.3 V power supply

 CRC coprocessor

 Programmable I/O pins

 Internal self-test

Introduction

Differences between version 1.0 and 2.0

The MFRC522 is available in two versions:

• MFRC52201HN1, hereafter referred to version 1.0 and

• MFRC52202HN1, hereafter referred to version 2.0.

The MFRC522 version 2.0 is fully compatible to version 1.0 and offers in addition the following features and improvements:

• Increased stability of the reader IC in rough conditions

• An additional timer prescaler, see Section 8.5 .

• A corrected CRC handling when RX Multiple is set to 1

This data sheet version covers both versions of the MFRC522 and describes the differences between the versions if applicable.

General description

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 transponders without additional active circuitry. The receiver module provides a robust and efficient implementation for demodulating and decoding signals from ISO/IEC 14443 A/MIFARE compatible cards and transponders. The digital module manages the complete ISO/IEC 14443 A framing and error detection (parity and CRC) functionality. The MFRC522 supports MF1xxS20, MF1xxS70 and MF1xxS50 products. The MFRC522 supports contactless communication and uses MIFARE higher transfer speeds up to 848 kBd in both directions.

INFORMATION

Drawing

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MFRC52202HN1 13.56MHz RFID/NFC Reader IC with ISO 14443A/MIFARE Support SPI/I2C/UART Interfaces, 10cm Range, Low Power Mode Anti-Collision and Compact Images