NXP Semiconductors S32G398ASAK1VUCT

Overview

S32G398ASAK1VUCT from NXP Semiconductors is a high-performance vehicle network processor combining ASIL D–compliant safety infrastructure, Arm Cortex-A53 and Cortex-M7 cores, 8 MB system SRAM with ECC, and integrated networking acceleration (PFE, LLCE, GMAC, PCIe Gen3, 4× Ethernet MACs). It serves as central gateway or domain controller in automotive E/E architectures requiring protocol translation between CAN FD, FlexRay, LIN, and multi-gigabit Ethernet.

For engineers reviewing the S32G398ASAK1VUCT datasheet, S32G398ASAK1VUCT pinout, S32G398ASAK1VUCT application, or S32G398ASAK1VUCT equivalent, key selection criteria include its dual-cluster Cortex-A53 (1 GHz) + triple lockstep Cortex-M7 (400 MHz) compute topology, hardware security engine (HSE_H), XRDC-based resource isolation, and support for LPDDR4/DDR3L, QuadSPI, and eMMC/SDXC interfaces - all in a -40 °C to 105 °C industrial temperature grade.

Technical Context

The S32G398ASAK1VUCT implements a heterogeneous compute architecture with two independent Cortex-A53 clusters (dual-core each, 512 KB L2 cache per cluster, cache coherency via CoreLink GIC-500) and three lockstep Cortex-M7 cores (400 MHz, 64 KB D-TCM each) for functional safety-critical tasks. Its NoC-based safe interconnect routes traffic between processing units, memory subsystems, and accelerators including PFE (packet forwarding engine) and LLCE (legacy network communication engine).

Networking is accelerated through dedicated hardware: PFE supports stateful firewall, classification, and header manipulation; LLCE offloads transport-layer functions for up to 16 BCAN, 1 FlexRay (2-channel), and 4 LINFlexD channels; dual SerDes lanes support PCIe Gen3 ×1/×2 or SGMII; and GMAC + 2× 2.5-Gbit MACs enable multi-rate Ethernet connectivity with IEEE 1588v2 and AVB support.

Key Specifications

Pinout & Package

Package: 525 flip chip plastic ball grid array (FC-PBGA), 19 mm × 19 mm, 0.8 mm pitch, RoHS-compliant, MSL Level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32G274A and R-Car S4, the S32G398ASAK1VUCT uniquely combines extended temperature operation (-40 °C to 105 °C), factory-programmed premium security (HSE_H + eFuse lockdown), and hardware-accelerated legacy bus handling (16× CAN FD + FlexRay) - making it the only option qualified for central gateway deployment in high-heat under-hood locations with full ASIL D and CSMS compliance requirements.

Availability

S32G398ASAK1VUCT is available at Aetrix Electronics and suitable for central vehicle gateways, ADAS domain controllers, and FOTA master nodes requiring stable component supply across automotive production lifecycles.

Supply support for S32G398ASAK1VUCT 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with leadership in automotive MCUs and radar technology.

The S32G398ASAK1VUCT belongs to NXP's S32G2 family of vehicle network processors, designed specifically to replace legacy gateway ECUs with a single-chip solution that integrates high-performance compute, functional safety, hardware security, and multi-protocol networking acceleration.

FAQ

What is the maximum operating frequency of the Cortex-A53 and Cortex-M7 cores in the S32G398ASAK1VUCT?

The S32G398ASAK1VUCT features dual Cortex-A53 clusters operating at up to 1000 MHz and three lockstep Cortex-M7 cores running at up to 400 MHz. These frequencies are guaranteed under specified voltage (0.72–0.87 V core supply) and junction temperature (-40 °C to 125 °C) conditions per the S32G2 datasheet Rev. 8. The S32G398ASAK1VUCT achieves this performance while maintaining ASIL D compliance through hardware redundancy and error-correcting memory.

Does the S32G398ASAK1VUCT support LPDDR4 memory, and what are the interface specifications?

Yes, the S32G398ASAK1VUCT supports LPDDR4 memory via a dedicated DRAM interface with ×32 physical layer. It operates at up to 2133 MT/s data rates with 1.06–1.17 V I/O supply and ±2.5% ripple tolerance. The interface includes on-die termination, write leveling, and read leveling calibration - all managed by hardware controllers to reduce software overhead. This capability is confirmed in the S32G2 Data Sheet Section 3 (Feature Comparison) and Table 4 (Operating Conditions).

How does the S32G398ASAK1VUCT implement hardware-based security for automotive applications?

The S32G398ASAK1VUCT integrates HSE_H (Hardware Security Engine – High Assurance), which provides symmetric (AES-128/256) and asymmetric (RSA-2048/3072, ECC) cryptographic acceleration, true random number generation (RNG), and secure key storage. It enforces secure boot via immutable eFuses, supports OTFAD for encrypted flash access, and implements Arm TrustZone and XRDC for memory/peripheral isolation across eight protected domains - meeting UNECE R155 CSMS and ISO/SAE 21434 requirements.

What networking protocols and accelerators are built into the S32G398ASAK1VUCT?

The S32G398ASAK1VUCT integrates PFE (Packet Forwarding Engine) for stateful firewall, classification, and header manipulation; LLCE (Legacy Network Communication Engine) for offloading CAN FD (16 channels), FlexRay (2-channel), and LINFlexD (4 channels); plus GMAC and three additional Ethernet MACs supporting MII/RMII/RGMII/SGMII. Dual PCIe Gen3 SerDes lanes provide high-speed expansion. All are documented in the S32G2 block diagram and Feature Comparison table.

Is the S32G398ASAK1VUCT pin-compatible with other S32G2 family members like the S32G274A?

Yes, the S32G398ASAK1VUCT shares the identical 525 FC-PBGA package, pinout, and electrical interface definitions with the S32G274A and other S32G2 family variants. This is explicitly confirmed in the S32G2 Data Sheet Section 4.1 (Ordering Information), where 'UC' denotes the 525-ball package code common across the family, and Table 1 confirms identical peripheral counts and memory subsystem configurations between S32G274A and superset derivatives.