STMicroelectronics M24SR-DISCO-STD

Overview

M24SR-DISCO-STD from STMicroelectronics is a ready-to-use demonstration kit for the M24SR64-Y dynamic NFC/RFID tag IC, integrating an STM32F103RGT6 microcontroller (32-bit ARM Cortex-M3, 1 MB Flash), a 320×200 color LCD, a 31 mm × 30 mm 13.56 MHz inductive antenna, and USB-powered operation. It enables I²C-controlled EEPROM access and NFC-based data exchange in secure pairing and smart label applications.

For engineers reviewing the M24SR-DISCO-STD datasheet, M24SR-DISCO-STD pinout, M24SR-DISCO-STD application, or M24SR-DISCO-STD equivalent, this board supports rapid evaluation of dual-interface (I²C + ISO/IEC 14443 Type A/NFC Forum Type 4) tag functionality, embedded firmware interaction, LCD-driven user feedback, and RF field coupling validation - all without external power or host hardware.

Technical Context

The kit implements a complete NFC tag evaluation platform where the STM32F103RGT6 acts as I²C master to the M24SR64-Y, managing EEPROM read/write operations and driving the SPI-connected LCD. The etched double-layer antenna (ANT14) is tuned for 13.56 MHz operation with impedance matching verified per ISO/IEC 14443-A requirements.

Firmware preloaded on the STM32 handles NFC command parsing (e.g., READ, WRITE, COMPARE), memory mapping of the 64 Kbit EEPROM, and real-time visual status display via RGB LEDs and the color screen - enabling direct observation of RF-triggered events and I²C transaction timing.

Key Specifications

Availability

M24SR-DISCO-STD is available at Aetrix Electronics and suitable for NFC tag prototyping, secure credential development, and embedded RFID system validation requiring stable component supply, consistent firmware baseline, and production-representative antenna performance.

Supply support for M24SR-DISCO-STD includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, analog ICs, MEMS, and power devices for industrial, automotive, and consumer markets.

The M24SR-DISCO-STD belongs to ST's Discovery kit product line, engineered to accelerate evaluation of dynamic NFC/RFID tag integration into secure identification, smart packaging, and IoT edge node applications - with emphasis on interoperability, low-power RF coupling, and host MCU abstraction.

FAQ

What is the primary function of the M24SR-DISCO-STD board?

The M24SR-DISCO-STD is a demonstration and development kit designed to evaluate the M24SR64-Y dynamic NFC/RFID tag IC. It integrates an STM32F103RGT6 microcontroller to manage I²C communication with the tag, drive a color LCD, and visualize NFC interactions - enabling hands-on testing of dual-interface (RF + I²C) memory access without requiring custom hardware or firmware development.

Does the M24SR-DISCO-STD require external power or batteries?

No. The board is powered exclusively via its USB Micro-B connector (5 V). It draws power directly from the host PC or USB adapter, eliminating the need for batteries or external DC supplies. All subsystems - including the STM32 MCU, LCD, LEDs, and M24SR64-Y tag - operate within this single-supply architecture during both USB-hosted and NFC-field-powered modes.

Can the M24SR-DISCO-STD be used with smartphones for NFC testing?

Yes. The board's M24SR64-Y tag complies with ISO/IEC 14443 Type A and NFC Forum Type 4 specifications. When placed within the RF field of any certified NFC smartphone (e.g., Android devices with Host Card Emulation enabled), it responds to standard NDEF read/write commands - allowing direct verification of tag memory access, UID reading, and RF coupling efficiency using off-the-shelf mobile apps.

Where can I obtain schematics, firmware, and drivers for this kit?

Schematics, BOM, Gerber files, reference firmware, and USB drivers for the M24SR-DISCO-STD (board ID MB1138) are publicly available for download from STMicroelectronics' official website at www.st.com under the M24SR-DISCOVERY product page. No registration or NDA is required to access these engineering resources.