M24SR series Dynamic NFC Tags

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The M24SR series provides an NFC forum tag type 4 RF interface and supports the NFC data exchange format (NDEF). This enables NFC use cases such as simple Bluetooth pairing and other connection handovers, automatic links to URLs, storage of Vcard and other types of information. It can be used in a wide variety of applications, including consumer electronics, computer peripherals, home appliances, industrial automation and healthcare products.

  • NFC forum tag type 4 based on ISO 14443 RF interface
  • 1 MHz I²C serial interface operating from 2.7 to 5.5 V
  • EEPROM memory density from 2 Kbits to 64 Kbits with built-in NDEF message support
  • RF disable pin allowing the application to control RF access from NFC phones
  • 128-bit password protection
  • General-purpose output pin allowing flexibility for the applications (wake up on several types of events)
  • Simple antenna design, backward compatible with M24LR series

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NFC Antenna Design

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Step 1: Purchase Discovery kit, Nucleo board or Evaluation board


14 mm x 14 mm double layer antenna reference board for the M24SR64 Dual Interface EEPROM


Discovery kit for the M24SR series - Dynamic NFC/RFID tag


Dynamic NFC tag expansion board based on M24SR for STM32 Nucleo

Step 2: Download associated software


Firmware for the M24SR-DISCOVERY board


Application executable of the "NFC Tap" Android app for ST25 product family


STM32Cube expansion software for X-NUCLEO-NFC01A1


Software Development Kit for ST25 Tags and Dynamic Tags


Windows® PC software for ISO15693, ISO14443-A/B, NFC and industrial readers


Application executable of the "NFC Tap" iOS app for ST25 product family

Step 3: Get trained

M24SR product presentation

M24SR product presentation