CLOUDST25TA02K-P STMicroelectronics

ST25TA02K-P NFC Forum Type 4 Tag IC with 2-Kbit EEPROM and general purpose digital output Datasheet - production data Package UFDFPN8 ECOPACK 2 UFDFPN8 UFDFPN5 UFDFPN5 ECOPACK 2 Digital pad GPO: configurable general purpose output (enabling no DC consumption CMOS Output buffer). Wafer Description The ST25TA02K-P device is a dynamic Features NFC/RFID tag IC with a general purpose digital output. Contactless interface It embeds an EEPROM memory. It can be NFC Forum Type 4 Tag, certified by the NFC operated from a 13.56 MHz RFID reader or an Forum NFC phone. ISO/IEC 14443 Type A The ST25TA02K-P is an NFC Forum Type 4 Tag 106 kbps data rate it communicates using the ISO/IEC 14443 Type A Internal tuning capacitance: 50 pF protocol. Memory 256-byte (2-kbit) EEPROM Supports NDEF data structure Data retention: 200 years Endurance: 1 million erase-write cycles Reads up to 255 bytes in a single command Writes up to 54 bytes in a single command Chaining capability 7-byte unique identifier (UID) 128-bit password protection 20-bit event counter with anti-tearing RF field detect October 2017 DocID027794 Rev 7 1/66 This is information on a product in full production. www.st.comContents ST25TA02K-P Contents 1 Functional description . 8 1.1 Functional modes . 10 1.1.1 Tag mode 10 2 Signal descriptions . 11 2.1 Antenna coil (AC0, AC1) 11 2.2 Ground (V ) .11 SS 2.3 GPO Supply voltage (V ) 11 DCG 2.3.1 Operating supply voltage V DCG 11 2.3.2 Power-up conditions . 11 2.4 General Purpose Output (GPO) 12 2.4.1 Session Open configuration (GPO field = 0x10 or 0x90) 13 2.4.2 WIP Writing in Progress configuration (GPO field = 0x20 or 0xA0) 14 2.4.3 MIP NDEF Message writing in Progress configuration (GPO field = 0x30 or 0xB0) 15 2.4.4 INT Interrupt configuration (GPO field = 0x40 or 0xC0) . 16 2.4.5 State Control configuration (GPO field = 0x50 or 0xD0) 17 2.4.6 RF busy configuration (GPO field = 0x60 or 0xE0) 18 2.4.7 Field detect configuration (GPO field = 0x70 or 0xF0) 19 3 ST25TA02K-P memory management . 20 3.1 Memory structure . 20 3.1.1 File identifier . 20 3.1.2 CC file layout . 20 3.1.3 NDEF file layout . 21 3.1.4 System file layout 22 3.2 Read and write access rights to the NDEF File 23 3.2.1 State of the Read and Write access rights . 23 3.2.2 Changing the read access right to NDEF files 24 3.2.3 Changing the write access right to NDEF files . 25 3.3 Access right life time 25 3.4 NDEF file passwords 25 3.5 Read/Write counter . 26 2/66 DocID027794 Rev 7