NXP Semiconductors S32G398ASBK1VUCT

Overview

S32G398ASBK1VUCT from NXP Semiconductors is a high-performance automotive vehicle network processor combining ASIL D–compliant real-time safety cores (3× Cortex-M7 in lockstep), dual-application clusters (2× Cortex-A53 per cluster), 8 MB system SRAM with ECC, and integrated networking acceleration for Ethernet (PFE + GMAC), CAN FD (16+4 channels), FlexRay, LIN, and PCIe Gen3. It serves as central gateway and domain controller hardware for automotive zonal architectures requiring protocol translation, secure FOTA orchestration, and safety-critical ADAS compute.

For engineers reviewing the S32G398ASBK1VUCT datasheet, S32G398ASBK1VUCT pinout, S32G398ASBK1VUCT application, or S32G398ASBK1VUCT equivalent, key selection considerations include its 525 FC-PBGA package, -40 °C to 105 °C operating range, dual-core lockstep Cortex-A53 clusters at 1 GHz, triple Cortex-M7 cores at 400 MHz, hardware security engine (HSE_H), and XRDC-based resource isolation across 8 domains.

Technical Context

The S32G398ASBK1VUCT implements a heterogeneous multi-core architecture with two independent Cortex-A53 clusters (each dual-core, cache-coherent via CoreLink GIC-500) and three lockstep Cortex-M7 cores for functional safety. Its NoC-based fabric interconnects LLCE for legacy network offload (CAN/FlexRay/LIN), PFE for stateful firewalling and packet classification, and SerDes subsystem supporting two PCIe Gen3 x2 lanes.

It integrates HSE_H for symmetric/asymmetric crypto, OTFAD for encrypted flash boot, XRDC for memory/peripheral access control across 8 domains, and supports AEC-Q100 Grade 2 qualification with FCCU fault collection and MBIST/LBIST for safety compliance. The device uses DDR3L/LPDDR4 interfaces and includes 2× 12-bit SAR ADCs with 6-channel support.

Key Specifications

Pinout & Package

525 flip chip plastic ball grid array (525 FC-PBGA), 19 mm × 19 mm, 0.8 mm pitch, with 16 I/O supply domains (VDD_IO_A through VDD_IO_STBY), dedicated DDR/PCIe/SerDes voltage rails, and differential clock/ADC/USB/Aurora I/O groups.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32G274A, the S32G398ASBK1VUCT offers identical core count, memory, and peripheral configuration but differs in mask revision (K1 vs. K0) and temperature grade (105 °C vs. 125 °C junction). Against S32K398, it delivers 2× application processing capability, 2× SRAM, and full hardware-accelerated networking-making it unsuitable as a drop-in replacement for MCU-only roles.

Availability

S32G398ASBK1VUCT is available at Aetrix Electronics and suitable for central gateways, domain controllers, and safety-critical ADAS compute nodes requiring stable component supply across automotive production lifecycles.

Supply support for S32G398ASBK1VUCT 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The S32G398ASBK1VUCT belongs to the S32G2 vehicle network processor product line, designed specifically to unify high-bandwidth Ethernet, legacy automotive buses, functional safety, and hardware security into a single SoC for zonal E/E architectures.

FAQ

What is the maximum operating frequency of the Cortex-A53 and Cortex-M7 cores in the S32G398ASBK1VUCT?

The S32G398ASBK1VUCT supports a maximum Cortex-A53 core frequency of 1000 MHz and a maximum Cortex-M7 core frequency of 400 MHz. These frequencies are achievable under specified operating conditions including VDD_CORE at 0.75–0.87 V and junction temperature ≤125 °C. Both cores operate within AEC-Q100 Grade 2 environmental limits, and the Cortex-M7 cores run in lockstep for ASIL D compliance. The S32G398ASBK1VUCT datasheet confirms these values in Table 4 (Operating Conditions).

Does the S32G398ASBK1VUCT support PCIe Gen3, and how many lanes are available?

Yes, the S32G398ASBK1VUCT integrates a SerDes subsystem supporting two independent PCIe Gen3 controllers (PCIe_0 and PCIe_1), each configurable in x1 or x2 mode for up to four total lanes. Each controller provides full Gen3 signaling compliance, including 8 GT/s data rate, LTSSM, and ASPM power management. The SerDes lanes can alternatively be configured for SGMII Ethernet, offering flexibility in high-speed interface allocation. This capability is documented in the S32G2 Data Sheet Rev. 8 block diagram and Feature Comparison table.

What type of hardware security features does the S32G398ASBK1VUCT include?

The S32G398ASBK1VUCT includes HSE_H (Hardware Security Engine – High), XRDC (Crossbar Domain Controller) supporting 8 isolated memory/peripheral domains, Arm TrustZone, OTFAD (On-The-Fly AES Decryption), secure debug, and life cycle management via eFuses. It enables secure boot, encrypted flash access, cryptographic acceleration (AES/CMAC/RSA/ECC), and runtime resource isolation-all validated for automotive security standards. These features are detailed in Sections 1.1 and 3 of the S32G2 Data Sheet.

What is the package type and pin count of the S32G398ASBK1VUCT?

The S32G398ASBK1VUCT uses a 525 flip chip plastic ball grid array (525 FC-PBGA) package measuring 19 mm × 19 mm with 0.8 mm pitch. This package supports 16 distinct I/O supply domains, differential SerDes/USB/Aurora interfaces, and thermal vias aligned to the die center for automotive-grade thermal management. The package code "UC" in the part number explicitly denotes this configuration, as confirmed in Section 4.1 (Ordering Information) of the S32G2 Data Sheet.

How does the S32G398ASBK1VUCT handle functional safety compliance for ASIL D applications?

The S32G398ASBK1VUCT achieves ASIL D readiness through triple Cortex-M7 cores in lockstep execution, FCCU (Fault Collection and Control Unit) with error injection and reporting, embedded MBIST/LBIST, dual-lockstep Cortex-A53 clusters (configurable), and hardware-isolated safety partitions enforced by XRDC. It meets ISO 26262 requirements for systematic and random hardware faults, with diagnostic coverage metrics provided in NXP's Functional Safety Manual for S32G2. All safety mechanisms are integrated into the silicon and require no external components.