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Introduction to RC522 chip MF RC522 is a high integration read write card chip used in 13 56MHz contactless communication It is a good choice for the development of smart meters and portable handheld devices The MF RC522 utilizes advanced modulation and demodulation concepts and fully integrates all types of passive contactless communication methods and protocols at 13 56 MHz Supports 14443A compatible transponder signals The digital part handles ISO14443A frame and error detection In addition it supports the fast CRYPTO1 encryption algorithm and verifies the MIFARE series of products The MFRC522 supports the MIFARE series of higher speed contactless communication with bidirectional data rates up to 424 kbit s As a new member of the 13 56MHz high integration read write card family the MF RC522 has many similarities with the MF RC500 and MF RC530 as well as many features and differences It uses SPI mode for communication with the host which helps to reduce wiring reduce PCB board size and reduce cost Introduction to RFID Module The MF522 MINI module uses the RC522 original chip to design the card reader circuit The module works at 13 56MHz frequency and conforms to the ISO14443A standard It can support Mifare1 S50 Mifare1 S70 Mifare Light Mifare UltraLight and Mifare Pro Suitable for users of advanced applications such as device development and card reader development and users who need to design produce RF card terminals This module can be directly load
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