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NT3H2111 Datasheet, PDF (2/77 Pages) NXP Semiconductors – Designed to be the perfect enabler for NFC in home-automation | |||
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NXP Semiconductors
NT3H2111/NT3H2211
NFC Forum Type 2 Tag compliant IC with I2C interface
2. Features and benefits
2.1 Key features
ï® Interoperability
ïµ ISO/IEC 14443 Part 2 and 3 compliant
ïµ NFC Forum Type 2 Tag compliant
ïµ Unique 7-byte UID
ïµ GET_VERSION command for easy identification of chip type and supported
features
ïµ Input capacitance of 50 pF
ï® Host interface
ïµ I²C slave
ïµ Configurable event detection pin to signal NFC or pass-through data events
ï® Memory
ïµ 888/1912 bytes of EEPROM-based user memory
ïµ 64 bytes SRAM buffer for transfer of data between NFC and I²C interfaces with
memory mirror or pass-through mode
ïµ Clear arbitration between NFC and I²C memory access
ï® Data transfer
ïµ Pass-through mode with 64-byte SRAM buffer
ïµ FAST_WRITE and FAST_READ NFC commands for higher data throughput
ï® Security and memory-access management
ïµ Full, read-only, or no memory access from NFC interface, based on 32-bit
password
ïµ Full, read-only, or no memory access from I²C interface
ïµ NFC silence feature to disable the NFC interface
ïµ Originality signature based on Elliptic Curve Cryptography (ECC) for simple,
genuine authentication
ï® Power Management
ïµ Configurable field-detection output signal for data-transfer synchronization and
device wake-up
ïµ Energy harvesting from NFC field, so as to power external devices (e.g. connected
microcontroller)
ï® Industrial requirements
ïµ Temperature range from -40 °C up to 105 °C
2.2 NFC interface
ï® Contactless transmission of data
ï® NFC Forum Type 2 Tag compliant (see Ref. 1)
ï® ISO/IEC 14443A compliant (see Ref. 2)
ï® 4 bytes (one page) written including all overhead in 4.8 ms via EEPROM or 0.8 ms via
SRAM
ï® 64 bytes (whole SRAM) written including all overhead in 6.1 ms using FAST_WRITE
command
NT3H2111/NT3H2211
Product data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.0 â 3 February 2016
359930
© NXP Semiconductors N.V. 2016. All rights reserved.
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