ST33K1M5A

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Automotive-grade, high-speed secure MCU with 32-bit Arm? Cortex?-M35P CPU with SWP, ISO, SPI and I2C interfaces, and high-density Flash memory Solution designed for Automotive

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The ST33KxxxA is a serial access microcontroller designed for secure applications in the automotive environment. It incorporates the most recent generation of Arm® processors for embedded secure systems. Its Cortex®-M35P 32-bit RISC core includes additional security features to help protect against advanced forms of attack.

The ST33KxxxA provides high performance thanks to a fast Cortex®-M35P processor, cryptographic accelerators and improved flash memory operations.

Cadenced at 63 MHz, the Cortex®-M35P core brings great performance and excellent code density thanks to the Thumb®-2 instruction set.

Strong and multiple fault protection mechanisms ensure a guaranteed high-detection coverage that facilitates the development of highly secure software. This is achieved by using two CPUs in Lockstep mode, error detection in sensitive memories and hardware logic.

The ST33KxxxA offers two serial communication slave interfaces fully compatible with the ISO/IEC 7816-3 standard (T=0, T=1) and a single-wire protocol (SWP) slave interface for communication with a near field communication (NFC) router in secure element (SE) applications. The device also includes a master/slave serial peripheral interface (SPI) as well as an inter-integrated circuit (I²C) master/slave interface for communication. The slave SPI runs at up to 48 MHz and the master SPI at up to 15 MHz while the slave I²C Fast-mode Plus interface operates at up to 1 Mbit/s and the master I²C Fast-mode plus at up to 1 Mbit/s.

Three general-purpose 16-bit timers as well as a watchdog timer are available.

One permanent timer (PMT) with a count capability in low-power mode is available.

The ST33KxxxA features hardware accelerators for advanced cryptographic functions. The EDES+ peripheral provides a secure DES (data encryption standard) algorithm implementation, while the NESCRYPT LLP cryptoprocessor efficiently supports the public key algorithm. The AES (advanced encryption standard) and SM4 peripherals ensure secure and fast AES and SM4 algorithm implementations.

The ST33KxxxA operates in the –40 °C to 105 °C temperature range and 1.8 V, 3 V and 3.3 V supply voltage ranges.

In terms of application, STMicroelectronics offers the following optional software package: NesLib cryptographic library.

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark.

  • 所有功能

      • AEC-Q100 Grade 2 qualified
    • Hardware features
      • Arm® Cortex®-M35P 32-bit RISC core cadenced at 63 MHz
      • Operating temperature range: –40 °C to 105 °C
      • 2 Kbytes of cache memory
      • Up to 1.5 Mbytes of user flash memory
      • 64 Kbytes of user RAM
      • External interfaces
        • Two ISO/IEC 7816-3 interfaces supporting the T=0 and T=1 protocols (slave mode)
        • Single-wire protocol (SWP) slave interface (ETSI 102613 compliant)
        • Serial peripheral interface (SPI) - master (up to 15 MHz) and slave (up to 48 MHz)
        • Master/slave I²C interface up to 1 Mb/s
      • Three 16-bit timers with interrupt capability
      • Permanent timer in low-power standby mode
      • Watchdog timer
      • Ten multiplexed general-purpose I/Os
      • Class C (1.8 V), Class B (3 V) and 3.3 V supply voltage ranges
      • Current consumption compatible with GSM and ETSI TS 102 221 release 12 and beyond
      • Contact assignment compatible with ISO/IEC 7816-2
      • ESD protection greater than 4 kV (HBM)
      • Delivery forms:
        • Wettable flank VFDFPN8 (5 × 6 mm), TSSOP20 (6.5 × 4.4 mm) and wettable flank UFQFPN32 (5 mm × 5 mm × 0.55 mm) ECOPACK-compliant packages
    • Security features
      • Platform and flash memory loader security certification target: Common Criteria
      • Hardware security-enhanced DES accelerator
      • Hardware security-enhanced AES accelerator
      • Optional hardware security-enhanced SM4 accelerator
      • NESCRYPT LLP coprocessor for public key cryptography algorithm
      • 16- and 32-bit CRC calculation block (such as ISO 13239 and IEEE 802.3)
      • Active shield
      • Highly efficient protection against faults
      • True random number generator
    • Software features
      • Secure flash memory loader with high-speed downloading and post-delivery loading ability
      • Optional security-certified cryptographic library "NesLib"

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The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Marketing description of the package type.Compliancy of the device with industry requirement domains (IRD)The RoHS status of a product:
ECOPACK 1: Initial grade to identify European RoHS compliant products.
ECOPACK 2: New grade to identify brominated chlorinated and antimony oxide flame retardant free products.
ECOPACK 3: Halogen free RoHS exemptions free products.
(*): ECOPACK 2 version available upon request.
(**): Some versions still existing in ECOPACK 1 or not compliant.The current status of a product:
Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
NRND: Not Recommended for New Design.Product is in volume production only to support customers ongoing production.Budgetary PriceMarketing description of the package type.Storage method used to contain product.Main country of assembly or fabrication of the product.ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes. ECCNs are five character alpha-numeric designations used on the Commerce Control List to identify dual-use items for export control purposes.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.The value as specified by level (minTypMax) of the ambient temperature (in Cel) in which this item was designed to operate.