S32 Safety Software Framework (SAF) and Safety Peripheral Drivers (SPD)

SAF

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The S32 Safety Software Framework (SAF) contains software components to establish the foundation for customer’s safety applications in compliance with ISO 26262 functional safety standard. Safety Peripheral Drivers (SPD) is part of the standard software bundle.

SAF provides complete software safety mechanisms coverage of S32 processors hardware safety mechanisms. SAF is developed as Safety Element out of Context (SEooC) and allows the integration up to ASIL D. SAF can also be used within AUTOSAR™ and non-AUTOSAR applications.

Safety packages contain software components safety analysis and safety manual which are available in the SafeAssure NDA Community.

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S32 Safety Software Framework (SAF) and Safety Peripheral Drivers (SPD) Block Diagram

Safety Software Framework (SAF) and Safety Peripheral Driver (SPD) Block Diagram

S32 Safety Software Framework Block Diagram

Safety Software Framework Block Diagram
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Features

General

  • ISO 26262 Functional Safety compliant

SPD Software modules provided

  • Built-in Self-Test (BIST) manager covering both logic BIST (LBIST) and memory BIST (MBIST)
  • Extended microcontroller error manager (eMCEM)

SAF Software modules provided

  • Built-in Self-Test (BIST) manager covering both logic BIST (LBIST) and memory BIST (MBIST)
  • Extended microcontroller error manager (eMCEM)
  • Mode selector
  • Safety boot (sBoot)
  • Software recovery
  • Square check (check the checkers)

SAF enables

  • Checking the hardware safety mechanisms, like latent fault detection
  • BIST management and deployment to provide high availability
  • Enabling booting into either normal or degraded modes
  • Ensuring the device is correctly set up for starting safety function
  • Handling and reaction to detected faults
  • Support for local and global recovery strategies

Supported Devices

  • S32G3: S32G3 Processors for Vehicle Networking
  • S32G2: S32G2 Processors for Vehicle Networking
  • S32K3: S32K3 Microcontrollers for Automotive General Purpose
  • S32R45: S32R45 High-Performance Processor for Imaging Radar
  • S32K39-37: S32K39/37 Microcontrollers for Electrification Applications

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