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CR95HF Dataheets PDF



Part Number CR95HF
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description 13.56-MHz multi-protocol contactless transceiver
Datasheet CR95HF DatasheetCR95HF Datasheet (PDF)

CR95HF 13.56-MHz multi-protocol contactless transceiver IC with SPI and UART serial access Datasheet - production data VFQFPN32 (5x5 mm) Features • CR95HF belongs to the ST25 family which includes all ST’s NFC/RFID tag and reader products • Operating modes supported: – Reader/Writer • Hardware features – Dedicated internal frame controller – Highly integrated Analog Front End (AFE) for RF communications – Transmission and reception modes – Optimized power management – Tag Detection mode • RF c.

  CR95HF   CR95HF



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CR95HF 13.56-MHz multi-protocol contactless transceiver IC with SPI and UART serial access Datasheet - production data VFQFPN32 (5x5 mm) Features • CR95HF belongs to the ST25 family which includes all ST’s NFC/RFID tag and reader products • Operating modes supported: – Reader/Writer • Hardware features – Dedicated internal frame controller – Highly integrated Analog Front End (AFE) for RF communications – Transmission and reception modes – Optimized power management – Tag Detection mode • RF communication @13.56 MHz – ISO/IEC 14443 Type A and B – ISO/IEC 15693 – ISO/IEC 18092 – MIFARE® Classic compatible (a) (b) • Communication interfaces with a Host Controller – Serial peripheral interface (SPI) Slave interface – Universal asynchronous receiver/transmitter (UART) – Up to 528-byte command/reception buffer (FIFO) • 32-lead, 5x5 mm, very thin fine pitch quad flat (VFQFPN) ECOPACK®2 package Applications Typical protocols supported: • ISO/IEC 14443-3 Type A and B tags • ISO/IEC 15693 tags • ISO/IEC 18000-3M1 tags • NFC Forum tags: Types 1, 2, 3 and 4 • ST short-range interface (SRI) tags • ST long-range interface (LRI) tags • ST Dual Interface EEPROM a. MIFARE and MIFARE Classic are registered trademarks of NXP B.V. and are used under license. b. Parity Framing mode is compatible with MIFARE® Classic requirements. However, access to Authenticated state must be supported by an external secure host which embeds the MIFARE® Classic library. June 2017 This is information on a product in full production. DocID018669 Rev 12 1/77 www.st.com Contents Contents CR95HF 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2 List of terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2 Pin and signal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Power management and operating modes . . . . . . . . . . . . . . . . . . . . . . 11 3.1 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 3.2 Startup sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 Communication protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4.1 Universal asynchronous receiver/transmitter (UART) . . . . . . . . . . . . . . . 14 4.2 Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.2.1 Polling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.2.2 Interrupt mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.3 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.4 Suppo.


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