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STMicroelectronics Electronic Components Datasheet

M24LR64E-R Datasheet

Dynamic NFC/RFID tag

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M24LR64E-R
Dynamic NFC/RFID tag IC with 64-Kbit EEPROM,
energy harvesting, I²C bus and ISO 15693 RF interface
Datasheet - production data
SO8 (MN)
UFDFPN8 (MC) TSSOP8 (DW)
2 x 3 mm
in low (6.6 kbit/s) or high (26 kbit/s) data rate
mode. Supports the 53 kbit/s data rate with
Fast commands
Internal tuning capacitance: 27.5 pF
64-bit unique identifier (UID)
Read Block & Write (32-bit blocks)
Digital output pin
User configurable pin: RF write in progress or
RF busy mode
Wafer (RUW20)
Wafer (SB12I)
Features
Belonging to ST25 family, which includes all
NFC/RF ID tag and reader products from ST
I2C interface
Two-wires I2C serial interface supports
400 kHz protocol
Single supply voltage:
– 1.8 V to 5.5 V
Byte and Page Write (up to 4 bytes)
Random and Sequential read modes
Self-timed programming cycle
Automatic address incrementing
Enhanced ESD/latch-up protection
I²C timeout
Contactless interface
ISO 15693 and ISO 18000-3 mode 1 compatible
13.56 MHz ± 7 kHz carrier frequency
To tag: 10% or 100% ASK modulation using 1/4 (26
Kbit/s) or 1/256 (1.6 Kbit/s) pulse position coding
From tag: load modulation using Manchester
coding with 423 kHz and 484 kHz subcarriers
Energy harvesting
Analog pin for energy harvesting
Four sink current configurable ranges
Temperature range
From –40 to 85 °C
Memory
64-Kbit EEPROM organized into:
– 8192 bytes in I2C mode
– 2048 blocks of 32 bits in RF mode
Write time
– I2C: 5 ms (max.)
– RF: 5.75 ms including the internal Verify
time
Write cycling endurance:
– 1 million write cycles at 25 °C
– 150 k write cycles at 85 °C
More than 40-year data retention
Multiple password protection in RF mode
Single password protection in I2C mode
Package
SO8 (ECOPACK2®)
TSSOP8 (ECOPACK2®)
UFDFPN8 (ECOPACK2®)
July 2017
This is information on a product in full production.
DocID022712 Rev 12
1/144
www.st.com
1


STMicroelectronics Electronic Components Datasheet

M24LR64E-R Datasheet

Dynamic NFC/RFID tag

No Preview Available !

Contents
Contents
M24LR64E-R
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2 Signal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.1 Serial clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2 Serial data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3 RF Write in progress / RF Busy (RF WIP/BUSY) . . . . . . . . . . . . . . . . . . . 15
2.4 Energy harvesting analog output (Vout) . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.5 Antenna coil (AC0, AC1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.5.1 Device reset in RF mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.6 VSS ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7 Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7.1
Operating supply voltage VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7.2 Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7.3 Device reset in I²C mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7.4 Power-down conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3 User memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4 System memory area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.1 M24LR64E-R block security in RF mode . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.1.1 Example of the M24LR64E-R security protection in RF mode . . . . . . . 26
4.2 M24LR64E-R block security in I²C mode (I2C_Write_Lock bit area) . . . . 27
4.3 Configuration byte and Control register . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.3.1 RF WIP/BUSY pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.3.2 Energy harvesting configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.3.3 FIELD_ON indicator bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.3.4 Configuration byte access in I²C and RF modes . . . . . . . . . . . . . . . . . . 30
4.3.5 Control register access in I²C or RF mode . . . . . . . . . . . . . . . . . . . . . . 30
4.4 ISO 15693 system parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5 I2C device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.1 Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.2 Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2/144
DocID022712 Rev 12


Part Number M24LR64E-R
Description Dynamic NFC/RFID tag
Maker STMicroelectronics
Total Page 30 Pages
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