SR31Z052

生産終了

ST31 Dual Interface Secure Microcontroller

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製品概要

概要

Designed for secure ID and banking applications, the SR31Z052 is a serial access microcontroller that incorporates the most recent generation of ARM® processors for embedded secure systems. Its SecurCore® SC000™ 32-bit RISC core is built on the Cortex®-M0 core with additional security features to help to protect against advanced forms of attacks. Cadenced at 28 MHz, the SecurCore® SC000™ core brings great performance and excellent code density thanks to the ARM® Thumb®-2 instruction set.
An RF interface including an RF universal asynchronous receiver (RFUART) enables contactless communication up to 848 Kbps compatible with the ISO/IEC 14443 Type A and Type B standards.
Very High Bit Rates (VHBR, Tx = 6.8 Mbps and Rx = 1.7 Mbps) are possible in Type B frames.
A Simultaneous mode where contactless communication can be enabled while the device is in Contact mode is also available.
The SR31Z052 also offers a serial communication interface fully compatible with the ISO/IEC 7816-3 standard (T=0, T=1).
Two 16-bit general-purpose timers are available; one is configurable as a watchdog.
The SR31Z052 features hardware accelerators for advanced cryptographic functions. The AES accelerator provides a high-performance implementation of AES-128, AES-192, AES-256 algorithms. The 3-key Triple DES accelerator (EDES+) peripheral enables Cipher Block Chaining (CBC) mode, fast DES and triple DES computation based on three key registers and one data register, while the NESCRYPT crypto-processor efficiently supports the public key algorithm with native operations up to 4096 bits long.
The SR31Z family operates in the –25 to +85 °C temperature range, at 3 V and 5 V supply voltage ranges in Contact mode and complies with ISO/IEC 14443 specification limits. A comprehensive range of power-saving modes enables the design of efficient low-power and contactless applications.
  • 特徴

    • Hardware features
      • ARM® SecurCore® SC000™ 32-bit RISC core
      • 320 Kbytes of User ROM
      • 8 Kbytes of User RAM
      • 52 Kbytes of User EEPROM
      • CPU clock frequency up to 28 MHz
      • Power-saving Standby state
      • Contact assignment compatible with ISO/IEC 7816-3 standards
      • Asynchronous receiver transmitter (IART) for high speed serial data support (ISO/IEC 7816-3 T=0/T=1 and EMV compliant)
      • ESD protection greater than 5 kV (HBM)
    • Contactless features
      • Complies with ISO/IEC 14443 Type A, B and B’, and PayPass® standards
      • 13.56 MHz carrier frequency
      • RFUART (RF universal asynchronous receiver transmitter) up to 848 Kbps
      • Very High Bit Rate (VHBR): Tx = 6.8 Mbps and Rx = 1.7 Mbps
      • Simultaneous mode (Contact and Contactless)
      • 4-Kbyte RF frame buffer in dedicated RFUART RAM
    • Security features
      • Three-key Triple DES accelerator
      • AES accelerator
      • NESCRYPT coprocessor for public key cryptography algorithm
      • Protection against multiple attacks

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STMicroelectronics - SR31Z052

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