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The ST31 secure microcontroller portfolio enables the development of standard and advanced solutions for the access control market. The ST31N is an ideal platform for biometric access, supporting the supply of other components through an SPI controller or GPIOs in both contact mode (via the VCC pad) and contactless mode (RF energy harvesting).

STMicroelectronics is a member of the Calypso Network Association (CNA), a not-for-profit organization composed of a diverse and inclusive community spanning public and private sector organizations. We offer turnkey solutions to support several transportation schemes supported by the CNA.

Applications

Icon of a hand pressing a button on a touchscreen device.
Biometric access
Icon of a front view of a bus.
Transportation
  • Calypso®
Icon of a key.
e-Signature card with fingerprint authentication
Icon of a smartwatch.
Smart wearables
  • Access and ticketing

Product types

Person wearing a smartwatch, making a payment by tapping the watch on a payment terminal.

ST31 secure MCUs

A secure microcontroller portfolio enabling the development of solutions for standard and advanced access control markets, including wearable devices.

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Hand holding bio access control card near a card reader in a modern lobby.

Biometric access with ST31N secure MCU

Proof of concept for an access card that simplifies authentication by securely verifying a user's identity through their unique fingerprint.

Discover ST31N600
Hand holding three cards: a 'Bio Access Control Card Solution', an 'STPay family' card, and a 'STID Tap&Go' card, all branded with the STMicroelectronics logo.

STeID and STPay operating systems

GlobalPlatform® Java Card™ platforms for applet development.

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Person tapping a card on a contactless reader inside a bus.

Transportation

Turnkey CD 21 solutions supporting Calypso Prime Rev. 3.2 and Rev. 3.3 (Prime PKI) and Calypso Light (CLAP).

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Benefits

Our ST31 portfolio:

  • Adapts to evolving access control market
  • Supports Calypso® transportation system
  • Enables the development of advanced solutions with biometric sensors
  • Is designed for ultralow power consumption to support wearable access devices

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