ST95HF-VMD5T STMicroelectronics

ST95HF Near field communication transceiver Datasheet - production data Up to 528-byte command/reception buffer (FIFO) depending on communication protocol 32-lead, 5x5 mm, very thin fine pitch quad flat (VFQFPN) ECOPACK 2 package Applications Typical protocols supported: VFQFPN32 5x5 mm ISO/IEC 14443-3 Type A and B tags ISO/IEC 15693 tags ISO/IEC 18000-3M1 tags Features NFC Forum tags: Types 1, 2, 3 and 4 Belonging to ST25 family, that includes all ST Dual Interface EEPROM NFC/RF ID tag and reader products from Typical ST95HF applications include: STMicroelectronics Consumer electronics Operating modes supported: Gaming Reader/Writer Healthcare Card Emulation (ISO/IEC 14443-3 Type A) Industrial Hardware features Dedicated internal frame controller Typical ST95HF use cases include: Highly integrated Analog Front End (AFE) NFC-enabled Wi-Fi pairing for RF communications NFC-enabled Bluetooth pairing Transmission and reception modes Data exchange Optimized power management Tag Detection mode Communications with NFC/RFID tag (reader mode) Field Detection mode RF communication 13.56 MHz ISO/IEC 14443 Type A and B in Reader and Card Emulation modes ISO/IEC 15693 in Reader mode ISO/IEC 18092 in Reader and Card Emulation modes MIFARE Classic compatible Communication interfaces with a Host Controller Serial peripheral interface (SPI) Slave interface up to 2 Mbps February 2016 DocID025630 Rev 4 1/93 This is information on a product in full production. www.st.comContents ST95HF Contents 1 Description . 8 1.1 Block diagram . 8 1.2 List of terms 9 2 Pin and signal descriptions 10 3 Power management and operating modes 12 3.1 Operating modes . 12 3.2 Startup sequence . 13 4 Communication protocols . 15 4.1 Serial peripheral interface (SPI) 15 4.1.1 Polling mode . 15 4.1.2 Interrupt mode 17 4.2 Error codes 17 4.3 Support of long frames . 18 5 Commands 19 5.1 Command format . 19 5.2 List of commands . 19 5.3 IDN command (0x01) description . 20 5.4 Protocol Select command (0x02) description 21 5.5 Pollfield command (0x03) description . 26 5.6 Send Receive (SendRecv) command (0x04) description . 27 5.7 Listen command (0x05) description . 32 5.8 Send command (0x06) description 34 5.9 Idle command (0x07) description . 35 5.9.1 Idle command parameters . 37 5.9.2 Using LFO frequency setting to reduce power consumption . 38 5.9.3 Optimizing wake-up conditions . 39 5.9.4 Using various techniques to return to Ready state 39 5.9.5 Tag detection calibration procedure 41 5.10 Read Register (RdReg) command (0x08) description . 42 2/93 DocID025630 Rev 4