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MFRC523 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. MFRC523
Description  Contactless reader IC
Download  98 Pages
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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MFRC523 Datasheet(HTML) 4 Page - NXP Semiconductors

 
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MFRC523_33
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.3 — 5 March 2010
115233
4 of 98
NXP Semiconductors
MFRC523
Contactless reader IC
6.
Block diagram
The analog interface handles the modulation and demodulation of the analog signals.
The contactless UART manages the protocol requirements for the communication
protocols in cooperation with the host. The FIFO buffer ensures fast and convenient data
transfer to and from the host and the contactless UART and vice versa.
Various host interfaces are implemented to meet different customer requirements.
Fig 1.
Simplified block diagram of the MFRC523
001aaj627
HOST
ANTENNA
FIFO
BUFFER
ANALOG
INTERFACE
CONTACTLESS
UART
SERIAL UART
SPI
I2C-BUS
REGISTER BANK


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