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The MFRC522 is a highly integrated reader/writer IC for contactless communication at 13.56 MHz. It supports ISO/IEC 14443 A/MIFARE mode, as well as various types of custom data rates. The datasheet includes detailed technical specifications such as electrical characteristics, communication protocols, and hardware interfaces. It also contains information on power consumption, operating temperature range, and recommended PCB layout. Additionally, the datasheet provides guidance on how to interface the MFRC522 with microcontrollers and incorporates examples of command sequences for various operations such as authentication and data exchange. Overall, the MFRC522 datasheet is a comprehensive resource for engineers looking to design RFID-enabled systems or applications.

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