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CLRC663 Datasheet(PDF) 16 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 16 Page - NXP Semiconductors |
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16 / 132 page  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 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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