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MFRC522 데이터시트(PDF) 5 Page - NXP Semiconductors |
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MFRC522 데이터시트(HTML) 5 Page - NXP Semiconductors |
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5 / 109 page ![]() 112132 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 3.2 — 22 May 2007 5 of 109 NXP Semiconductors MFRC522 Contactless Reader IC 6. Block diagram The Analog interface handles the modulation and demodulation of the analog signals. The contactless UART handles the protocol requirements for the communication schemes in co-operation with the host. The comfortable FIFO buffer allows a fast and convenient data transfer from the host to the contactless UART and vice versa. Various host interfaces are implemented to fulfil different customer requirements. Fig 1. Simplified MFRC522 Block diagram Contactless UART FIFO I2C Serial UART SPI Registerbank Host Analog Interface |
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