NXP Semiconductors S32K3 32-Bit Automotive General Purpose MCUs

NXP Semiconductors S32K3 Automotive General Purpose MCUs are scalable 32-bit Arm® Cortex®-M7-based MCUs in single, dual, and lockstep core configurations supporting ASIL B/D safety applications. The S32K3 includes a hardware security engine (HSE) with NXP firmware, which supports firmware over-the-air (FOTA) updates and free ISO 26262 compliant Real-Time Drivers (RTD) for AUTOSAR® and non-AUTOSAR.

The NXP S32K3 Automotive General Purpose MCUs are housed in a MaxQFP package, which reduces the package footprint by up to 55% compared to the standard QFP package.

The S32K388 is part of the S32K3 family of microcontrollers developed for automotive and general-purpose applications. Based on the 32-bit Arm Cortex-M7, the S32K388 delivers high performance with options for single, dual, or lockstep core configurations. It features Ethernet TSN/AVB, CAN FD, and a larger number of FlexIOs in the family (202) for versatile communications options. It is also designed with low-power configuration modes and fast wakeup capabilities. The MCU complies with ISO 26262 up to ASIL D.

Features

  • Scalable single platform
    • Single, multiple, or lockstep Cortex-M7 cores, 120MHz to 240MHz + FPU
    • 512KB to 8MB Flash with ECC
    • FOTA – A/B firmware swap with zero downtime and roll-back support. Automatic address translation
    • 12-bit 1Msps ADC, 16-bit eMIOS timer with logic control unit for motor control
    • Low-power run and standby modes, fast wake-up, clock, and power gating
    • MaxQFP and BGA packages
    • AEC-Q100 qualified Grade 1 of -40°C to +125°C
  • Safety, security, and connectivity
    • ISO 26262 up to ASIL B/D
    • Fault collection and control unit
    • Hardware and software watchdogs, clock/power/temperature monitors
    • Safety documentation and SafeAssure community support
    • HSE security engine - AES-128/192/256, RSA, ECC, secure boot, and key storage; side-channel protection; ISO 21434 intended
    • Ethernet TSN/AVB (100Mbps/1Gbps), CAN FD, FlexIO (SPI/IIC/IIS/SENT protocol), serial audio interface, QSPI
  • Production-grade software
    • S32 Design Studio IDE – Eclipse, GCC and debugger, 3rd party support
    • Real-Time Drivers – free of charge (AUTOSAR and non-AUTOSAR), ASIL-D compliant
    • Security firmware – NXP provided, field upgradeable
    • S32 Safety Software Framework (SAF) and Structural Core Self-Test (SCST) library
    • Safety Peripheral Drivers
    • Model-Based Design Toolbox (MBDT) for MATLAB®
    • Inter-Platform Communication Framework (IPCF)
    • AWS Libraries to enable secure cloud connectivity using AWS IoT Core

Applications

  • Advanced driver-assistance systems (ADAS)
  • Powertrain and chassis
  • Infotainment
  • Body and comfort

Videos

NXP Semiconductors S32K3 32-Bit Automotive General Purpose MCUs

SafeAssure supports designs to the highest safety integrity levels.

Target Applications

Application Circuit Diagram - NXP Semiconductors S32K3 32-Bit Automotive General Purpose MCUs

S32K3 Software Ecosystem

Block Diagram - NXP Semiconductors S32K3 32-Bit Automotive General Purpose MCUs
Published: 2021-12-17 | Updated: 2026-02-05