CLRC663 datasheet(16/132 Pages) NXP

16 / 132 page

CLRC663

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Product data sheet

COMPANY PUBLIC

Rev. 3.3 — 3 April 2012

171133

16 of 132

NXP Semiconductors

CLRC663

Contactless reader IC

8.3.5 EPC-UID/UID-OTP functionality

The physical parameters are described in Table 11.

Data coding and framing according to EPC global 13.56 MHz ISM (industrial, scientific

and medical) Band Class 1 Radio Frequency Identification Tag Interface Specification

(Candidate Recommendation, Version 1.0.0).

8.3.6 ISO/IEC 18000-3 mode 3/ EPC Class-1 HF functionality

The ISO/IEC 18000-3 mode 3/ EPC Class-1 HF is not described in this document. For a

detailed explanation of the protocol, refer to the ISO/IEC 18000-3 mode 3/ EPC Class-1

HF standard.

8.3.7 ISO/IEC 18092 mode

The CLRC663 supports Passive Initiator Communication mode at the transfer speeds

106 kbit/s, 212 kbit/s and 424 kbit/s as defined in the ISO/IEC 18092 standard.

• Passive communication mode means that the target answers to an initiator command

in a load modulation scheme. The initiator is active in terms of generating the RF field.

• Initiator: generates RF field at 13.56 MHz and starts the ISO/IEC 18092

communication.

• Target: responds to initiator command either in a load modulation scheme in Passive

communication mode or using a self generated and self modulated RF field for Active

Communication mode.

Table 11.

Communication overview for EPC/UID

Communication

direction

Signal type

Transfer speed

26.48 kbit/s

52.96 kbit/s

Reader to card (send

data from the

CLRC663 to a card)

reader side modulation 10 % to 30 % ASK

bit encoding

RTZ

bit length

37.76

s

Card to reader

(CLRC663 receives

data from a card)

card side modulation

single subcarrier load

modulation

bit length

18.88 ms

bit encoding

Manchester coding

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