MF RC522 is applied to 13.56MHz contactless communication highly integrated chip card reader, is NXP company for “three form” application to launch a low-voltage, low-cost, small size, non-contact chip card reader, is a good choice for portable handheld devices and smart meter developed. MF RC522 uses advanced modulation and demodulation concept completely integrated in all types of passive 13.56MHz contactless communication methods and protocols. Support 14443A compatible transponder signal. The digital part of the processing ISO14443A frame and error detection. In addition, support fast CRYPTO1 encryption algorithm, the term verification MIFARE products. MFRC522 MIFARE family support higher speed non-contact communication, two-way data transfer rates of up to 424kbit / s. As a new member of the highly integrated 13.56MHz reader card series chip family, MF RC522 MF RC500 and MF RC530 and there are many similarities, but also have many features and differences. Between it and the host communication using SPI mode, helps to reduce wiring, reduce PCB board size, lower cost Working Current: 13-26mA / DC 3.3V Idle Current: 10-13mA / DC 3.3V Sleep current:
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