NXP Semiconductors S32G398ASCK1VUCT

Overview

S32G398ASCK1VUCT from NXP Semiconductors is a high-performance automotive vehicle network processor combining ASIL D functional safety, hardware security (HSE_H), and heterogeneous compute with dual Cortex-A53 application cores (1 GHz) and three lockstep Cortex-M7 real-time cores (400 MHz). It integrates 8 MB system SRAM with ECC, LPDDR4/DDR3L memory interface, and network acceleration via PFE and LLCE for Ethernet, CAN FD, FlexRay, and LIN. It serves as a central gateway or domain controller in modern E/E architectures.

For engineers reviewing the S32G398ASCK1VUCT datasheet, S32G398ASCK1VUCT pinout, S32G398ASCK1VUCT application, or S32G398ASCK1VUCT equivalent, key selection criteria include its dual-cluster A53/M7 safety architecture, 4× 1-GbE MACs + 1× 2.5-GbE MAC, PCIe Gen3 SerDes lanes, and support for secure FOTA and centralized key management in automotive central compute nodes.

Technical Context

The S32G398ASCK1VUCT implements a safety-isolated NoC fabric linking Cortex-A53 clusters (with L2 cache coherency and GIC-500 interrupt controller) and Cortex-M7 lockstep clusters (with DTCM, FPU, and NVIC). Its network subsystem uses dedicated hardware accelerators: PFE for stateful firewall, classification, and IEEE 1588v2 timestamping, and LLCE for offloading transport-layer processing across 16 BCAN, 4 LINFlexD, and dual-channel FlexRay interfaces.

Security is enforced through HSE_H cryptographic engine (AES/CMAC/RNG), XRDC-based resource isolation across 8 domains, Arm TrustZone®, OTFAD for encrypted flash access, and eFuse-based life-cycle control. Power management includes multiple low-power modes, SVS monitoring on all voltage domains, and strict sequencing requirements for LV/HV supplies during ramp-up and standby entry.

Key Specifications

Pinout & Package

Package: 525-ball flip-chip plastic ball grid array (FC-PBGA), 19 mm × 19 mm, 0.8 mm pitch, RoHS-compliant, MSL Level 3. Designed for automated surface-mount assembly and thermal management in automotive control units.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar vehicle network processor applications.

Compared with S32G274A, the S32G398ASCK1VUCT offers identical performance and safety features with updated mask revision and qualification; versus S32G399ASCK1VUCT, it omits post-quantum crypto extensions but maintains full backward compatibility and lower BOM cost for current-generation automotive programs.

Availability

S32G398ASCK1VUCT is available at Aetrix Electronics and suitable for central gateways, ADAS domain controllers, and secure FOTA master applications requiring stable component supply across multi-year automotive production cycles.

Supply support for S32G398ASCK1VUCT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in functional safety and hardware security.

The S32G398ASCK1VUCT belongs to the S32G2 family of vehicle network processors, designed specifically to replace legacy gateway MCUs with integrated high-speed networking, real-time safety processing, and end-to-end hardware security for software-defined vehicles.

FAQ

What is the maximum operating frequency of the Cortex-A53 and Cortex-M7 cores in the S32G398ASCK1VUCT?

The S32G398ASCK1VUCT features dual Cortex-A53 application cores operating at up to 1000 MHz and three lockstep Cortex-M7 real-time cores running at up to 400 MHz. These frequencies are guaranteed under specified voltage (0.72–0.87 V core supply) and temperature (-40 °C to 105 °C ambient) conditions per the official S32G2 Data Sheet Rev. 8. The S32G398ASCK1VUCT achieves this performance while maintaining ASIL D compliance through hardware monitoring and lockstep validation.

Does the S32G398ASCK1VUCT support both LPDDR4 and DDR3L memory interfaces?

Yes, the S32G398ASCK1VUCT supports both LPDDR4 (1.06–1.17 V) and DDR3L (1.283–1.45 V) DRAM interfaces with configurable PHY timing parameters. The memory controller includes built-in ECC for data integrity and supports interleaved addressing across 16 ports. This dual-protocol capability allows automotive designers to select memory based on bandwidth, power, and cost trade-offs without changing the S32G398ASCK1VUCT hardware design.

How many Ethernet MAC interfaces does the S32G398ASCK1VUCT provide, and what speeds are supported?

The S32G398ASCK1VUCT integrates four 1-GbE MACs and one 2.5-GbE MAC, all supporting RGMII and SGMII physical layer interfaces. These MACs connect to the PFE for hardware-accelerated packet processing, including classification, firewall, and IEEE 1588v2 timestamping. The S32G398ASCK1VUCT uses these interfaces to enable high-throughput, time-synchronized communication in central gateways and domain controllers.

What security features are implemented in hardware on the S32G398ASCK1VUCT?

The S32G398ASCK1VUCT includes a dedicated Hardware Security Engine (HSE_H) supporting AES-128/256, SHA-256, RSA/ECC, and CMAC; XRDC-based resource isolation across eight memory domains; OTFAD for on-the-fly encrypted flash access; and eFuse-controlled life-cycle management. These features are implemented in hardened silicon and certified to EVITA Full and Common Criteria EAL5+, forming the root of trust for secure boot and runtime attestation in the S32G398ASCK1VUCT.

Is the S32G398ASCK1VUCT pin-compatible with other members of the S32G2 family?

Yes, the S32G398ASCK1VUCT shares the same 525 FC-PBGA package (19 mm × 19 mm, 0.8 mm pitch) and pinout with all S32G2 family variants, including S32G234M, S32G233A, S32G254A, and S32G274A. This enables hardware reuse across product tiers - for example, a single PCB can support multiple S32G2 SKUs by configuring boot straps and firmware, simplifying platform development and reducing NRE costs for the S32G398ASCK1VUCT and its siblings.