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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 / 177 page  NXP Semiconductors CLRC663 High performance multi-protocol NFC frontend CLRC663 and CLRC663 plus • FeliCa • ISO/IEC15693/ICODE • ICODE EPC UID • ISO/IEC 18000-3 mode 3/ EPC Class-1 HF 001aal996 BATTERY/POWER SUPPLY reader/writer MICROCONTROLLER READER IC ISO/IEC 14443 A CARD Figure 4. Read/write mode A typical system using the CLRC663 is using a microcontroller to implement the higher levels of the contactless communication protocol and a power supply (battery or external supply). 8.3.1 Communication mode for ISO/IEC 14443 type A and for MIFARE Classic The physical level of the communication is shown in the following figure: (1) (2) 001aam268 ISO/IEC 14443 A CARD ISO/IEC 14443 A READER 1. Reader to Card 100 % ASK, Miller Coded, Transfer speed 106 kbit/s to 848 kbit/s 2. Card to Reader, Subcarrier Load Modulation Manchester Coded or BPSK, transfer speed 106 kbit/s to 848 kbit/s Figure 5. Read/write mode for ISO/IEC 14443 type A and read/write mode for MIFARE Classic The physical parameters are described in the following table: Transfer speed Communication direction Signal type 106 kbit/s 212 kbit/s 424 kbit/s 848 kbit/s reader side modulation 100 % ASK 100% ASK 100% ASK 100% ASK bit encoding modified Miller encoding modified Miller encoding modified Miller encoding modified Miller encoding Reader to card (send data from the CLRC663 to a card) fc = 13.56 MHz bit rate [kbit/s] fc / 128 fc / 64 fc / 32 fc / 16 card side modulation subcarrier load modulation subcarrier load modulation subcarrier load modulation subcarrier load modulation subcarrier frequency fc / 16 fc / 16 fc / 16 fc / 16 Card to reader (CLRC663 receives data from a card) bit encoding Manchester encoding BPSK BPSK BPSK Table 7. Communication overview for ISO/IEC 14443 type A and read/write mode for MIFARE Classic The CLRC663 connection to a host is required to manage the complete ISO/IEC 14443 type A and MIFARE Classic communication protocol. The following figure shows the data coding and framing according to ISO/IEC 14443 type A and MIFARE Classic. CLRC663 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 5.3 — 3 January 2024 15 / 177 |
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