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STMicro intros M24SR dynamic NFC/RFID tag

February 21, 2014

Amit Sethi

Amit Sethi

STMicroelectronics recently introduced the M24SR dynamic NFC/RFID tag.

Speaking about the USP of the M24SR, Amit Sethi, Product Marketing manager – Memories and RFID, STMicroelectronics India, said: “The unique selling proposition of the M24SR product is its two interfaces, giving users and applications the ability to program or read its memory using either an RF NFC interface or a wired I2C interface, in an affordable and easy-to-use device for a wide range of applications such as consumer/home appliance, OTP card, healthcare/wellness and industrial/smart meter.”

Let us see how the M24SR is beneficial for smartphone or any other audio device.

The M24SR is a dynamic NFC/RFID tag that manages the data exchange between the NFC phone and the microcontroller. The main use cases for data exchange are updating user settings, downloading data logs, and remote programming and servicing. The dynamic tag also enables seamless Bluetooth and Wi-Fi pairing, which is useful in, for example, audio devices.

How is the M24SR different from other products of the same segment?

Sethi said that the key difference is the dual interface: the M24SR memory can be accessed either by a low-power 2C interface or

M24SR

M24SR

by an ISO14443A RF interface operating at 13.56MHz. It also features RF status (MCU wake-up) and RF disable functions to minimize power consumption. In addition, the devices support the NFC data exchange format (NDEF from NFC forum) and 128-bit password protection mechanism.

The M24SR series is available in EEPROM memory densities from 2 Kbit to 64 Kbit and three package types: SO8, TSSOP8, and UFDFPN8.

What are the contributions of M24SR toward the Internet of Things?

Accotding to him, the M24SR dynamic NFC/RFID tag interactive and zero power capability, simplifies complex communications setups and enables data exchange among the home automation, wearable electronics, home appliances, smart meter, wellness, etc.

Especially with the NFC capability, the M24SR is ideal for applications waiting for something, like a ticket or ID to launch an activity.

Relevance for India
Finally, what’s the relevance of the product for the Indian market?

Sethi added: “Mobile and NFC based application are gaining its popularity in India. M24SR is an easy-to-use and an affordable product for the Implementation of NFC-based applications in transportation, entertainment, and lifestyle areas.

As for the go-to-market strategy, the M24SR mass market launch is planned for end of February 2014. Some M24SR samples have been delivered to key customers during Q4 2013 and design/development is ongoing.

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