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MFRC522 Datasheet(PDF) 5 Page - NXP Semiconductors

Part # MFRC522
Description  Contactless Reader IC
PDF  109 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MFRC522 Datasheet(HTML) 5 Page - NXP Semiconductors

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© 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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