The NT3H1101W0FHK is a NTAG I2C, energy harvesting NFC forum Type-2 Tag with field detection pin and I2C interface. The NTAG family offering both contactless and contact interfaces. In addition to the passive NFC forum compliant contactless interface, the IC features an I2C contact interface, which can communicate with a microcontroller if the NTAG I2C is powered from an external power supply. An additional externally powered SRAM mapped into the memory allows a fast data transfer between the RF and I2C interfaces and vice versa, without the write cycle limitations of the EEPROM memory. The NTAG I2C product features a configurable field detection pin, which provides a trigger to an external device depending on the activities at the RF interface. The NTAG I2C product can also supply power to external (low power) devices (e.g. a microcontroller) via the embedded energy harvesting circuitry.
- RF interface NFC forum type-2 tag compliant
- RF field presence
- First start of communication
- Wake up signal at field detect pin when new data has arrived from one interface
- Clear arbitration between RF and I2C interfaces
- Energy harvesting functionality to power external devices (e.g. microcontroller)
- Fast read command for faster data reading
- Contactless transmission of data
- Data integrity of 16-bit CRC, parity, bit coding and bit counting
- Operating distance of up to 100mm
- Unique 7 byte serial number (cascade level 2 according to ISO/IEC 14443-3)
- 64-byte SRAM volatile memory without write endurance limitation
- I2C Slave interface supports standard (100kHz) and fast (up to 400kHz) mode
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