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CLRC663 Datasheet(PDF) 15 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 15 Page - NXP Semiconductors |
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15 / 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 15 of 132 NXP Semiconductors CLRC663 Contactless reader IC [1] Fast inventory (page) read command only (ICODE proprietary command). Table 9. Communication overview for ISO/IEC 15693 reader/writer reader to label Communication direction Signal type Transfer speed fc / 8192 kbit/s fc / 512 kbit/s Reader to label (send data from the CLRC663 to a card) reader side modulation 10 % to 30 % ASK or 100 % ASK 10 % to 30 % ASK 90 % to 100 % ASK bit encoding 1/256 1/4 bit length 4.833 ms 302.08 ms Table 10. Communication overview for ISO/IEC 15693 reader/writer label to reader Communication direction Signal type Transfer speed 6.62 (6.67) kbit/s 13.24 kbit/s[1] 26.48 (26.69) kbit/s 52.96 kbit/s Label to reader (CLRC663 receives data from a card) fc = 13.56 MHz card side modulation not supported not supported single (dual) subcarrier load modulation ASK single subcarrier load modulation ASK bit length (ms) - - 37.76 (3.746) 18.88 bit encoding - - Manchester coding Manchester coding subcarrier frequency [MHz] -- fc / 32 (fc / 28) fc / 32 Fig 10. Data coding according to ISO/IEC 15693. standard mode reader to label 001aam272 pulse modulated carrier ~9.44 μs 0 1 2 3 4 ~18.88 μs . 2 . . . . . . . . . . . . . . . . . 2 2 . . . . . 2 2 25 55 5 5 ~4,833 ms 3 24 5 |
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