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CLRC663 Datasheet(PDF) 18 Page - NXP Semiconductors

Part No. CLRC663
Description  Contactless reader IC
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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CLRC663 Datasheet(HTML) 18 Page - NXP Semiconductors

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CLRC663
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 3 April 2012
171133
18 of 132
NXP Semiconductors
CLRC663
Contactless reader IC
8.3.7.2
ISO/IEC 18092 framing and coding
The ISO/IEC 18092 framing and coding in Passive communication mode is defined in the
ISO/IEC 18092 standard.
8.3.7.3
ISO/IEC 18092 protocol support
The ISO/IEC 18092 protocol is not described in this document. For a detailed explanation
of the protocol, refer to the ISO/IEC 18092 standard.
8.3.8 EPC Class-1 HF and ICODE
8.3.8.1
Data encoding ICODE
The ICODE protocols have mainly three different methods of data encoding:
“1” out of “4” coding scheme
“1” out of “256” coding scheme
“Return to Zero” (RZ) coding scheme.
Data encoding for all three coding schemes is done by the ICODE generator.
The supported EPC Class-1 HF modes are:
2 pulse for 424 Kbit subcarrier
4 pulse for 424 Kbit subcarrier
2 pulse for 848 Kbit subcarrier
4 pulse for 848 Kbit subcarrier
8.4 Host interfaces
8.4.1 Host interface configuration
The CLRC663 supports direct interfacing of various hosts as the SPI, I2C, I2CL and serial
UART interface type. The CLRC663 resets its interface and checks the current host
interface type automatically having performed a power-up or resuming from power down.
The CLRC663 identifies the host interface by the means of the logic levels on the control
pins after the Cold Reset Phase. This is done by a combination of fixed pin
connections.The following table shows the possible configurations defined by
IFSEL1,IFSEL0:
Table 13.
Framing and coding overview
Transfer speed
Framing and Coding
106 kbit/s
According to the ISO/IEC 14443A/MIFARE scheme
212 kbit/s
According to the FeliCa scheme
424 kbit/s
According to the FeliCa scheme


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