SRTAG2K-DMC6T/2 STMicroelectronics

SRTAG2K-D NFC Forum Type 4 Tag IC with 2-Kbit EEPROM and RF Session digital output Datasheet - preliminary data Package UFDFPN8 ECOPACK 2 Digital pad RF Session output UFDFPN8 (MC) Wafer (SB12I) Description Features The SRTAG2K-D device is a dynamic NFC/RFID tag IC. It embeds an EEPROM memory. It can be Contactless interface operated from a 13.56 MHz RFID reader or an NFC phone. NFC Forum Type 4 Tag The RF protocol is compatible with ISO/IEC ISO/IEC 14443 Type A 14443 Type A and NFC Forum Type 4 Tag. 106 Kbps data rate Internal tuning capacitance: 25 pF Memory 256-byte (2-kbit) EEPROM Support of NDEF data structure Data retention: 200 years Endurance: 1 million erase-write cycles Read up to 246 bytes in a single command Write up to 246 bytes in a single command 7 bytes unique identifier (UID) 128 bits passwords protection February 2014 DocID025446 Rev 3 1/51 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to www.st.com 1 change without notice. Contents SRTAG2K-D Contents 1 Functional description . 8 1.1 Functional modes 9 1.1.1 Tag mode . 9 2 Signal descriptions . 10 2.1 Antenna coil (AC0, AC1) . 10 2.2 Ground (VSS) 10 2.3 RF Session output 10 2.3.1 Session Open configuration (RF Session field = 0x11) . 10 3 SRTAG2K-D memory management 11 3.1 Memory structure 11 3.1.1 File identifier . 11 3.1.2 CC file layout . 11 3.1.3 NDEF file layout . 12 3.1.4 System file layout 13 3.2 Read and write access rights to the memory 13 3.2.1 State of the Read and Write access rights . 14 3.2.2 Changing the read access right to NDEF files 14 3.2.3 Changing the write access right to NDEF files . 15 3.3 Access right life time 16 3.4 NDEF file passwords 16 4 Communication mechanism . 17 4.1 Master and slave . 17 5 RF command sets 18 5.1 Structure of the command sets . 19 5.2 I-Block format 19 5.2.1 C-APDU: payload format of a command 20 5.2.2 R-APDU: payload format of a response 21 5.3 R-Block format . 21 5.4 S-Block format . 22 2/51 DocID025446 Rev 3