mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 5
mfrc522
Manufacturer Part Number
mfrc522
Description
Contactless Reader Ic
Manufacturer
NXP Semiconductors
Datasheet
1.MFRC522.pdf
(109 pages)
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NXP Semiconductors
6. Block diagram
112132
Product data sheet
Fig 1. Simplified MFRC522 Block diagram
Interface
Analog
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.
Contactless
UART
Rev. 3.2 — 22 May 2007
FIFO
Registerbank
Serial UART
SPI
I2C
Contactless Reader IC
MFRC522
© NXP B.V. 2007. All rights reserved.
Host
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