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CLRC663 Datasheet(PDF) 4 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 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 4 of 132 NXP Semiconductors CLRC663 Contactless reader IC 6. Block diagram The analog interface handles the modulation and demodulation of the antenna signals for the contactless interface. The contactless UART manages the protocol dependency of the contactless interface settings managed by the host. The FIFO buffer ensures fast and convenient data transfer between host and the contactless UART. The register bank contains the settings for the analog and digital functionality. 7. Pinning information Fig 1. Simplified block diagram of the CLRC663 001aaj627 HOST ANTENNA FIFO BUFFER ANALOG INTERFACE CONTACTLESS UART SERIAL UART SPI I2C-BUS REGISTER BANK (1) Pin 33 VSS - heatsink connection Fig 2. Pinning configuration HVQFN32 (SOT617-1) 001aam004 CLRC663 Transparent top view TX1 (1) DVDD VDD TVDD SIGOUT XTAL1 SIGIN XTAL2 TCK PDOWN TMS CLKOUT TDI SCL TDO SDA 8 17 7 18 6 19 5 20 4 21 3 22 2 23 1 24 terminal 1 index area |
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