NXP Semiconductors S32G398AACK1VUCT

Overview

S32G398AACK1VUCT from NXP Semiconductors is a high-performance 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 networking acceleration via PFE and LLCE for CAN FD, FlexRay, LIN, and multi-gigabit Ethernet - deployed in central automotive gateways and domain controllers.

For engineers reviewing the S32G398AACK1VUCT datasheet, S32G398AACK1VUCT pinout, S32G398AACK1VUCT application, or S32G398AACK1VUCT equivalent, key selection criteria include its -40 °C to 105 °C operating range, 525 FC-PBGA package, dual-cluster A53 + triple-lockstep M7 architecture, integrated network offload engines (PFE/LLCE), and HSE_H-based secure boot and key management - all validated per AEC-Q100 Grade 2.

Technical Context

The S32G398AACK1VUCT implements a safety-critical NoC-based fabric interconnecting two Cortex-A53 clusters (dual-core each, 1 GHz, 512 KB L2 cache per cluster) and three Cortex-M7 cores (400 MHz, 64 KB D-TCM each, lockstep operation). Its network acceleration layer includes PFE for stateful firewalling and classification, and LLCE for transport-layer offload across 16 BCAN, 4 LINFlexD, 1 FlexRay (dual-channel), and 4 Ethernet MACs (3× PFE_MAC + 1 GMAC).

Security is anchored by HSE_H subsystem supporting symmetric/asymmetric crypto, OTFAD, secure debug, and life-cycle management; XRDC enforces resource isolation across 8 domains with Arm TrustZone® support. Safety compliance is achieved via FCCU, MBIST/LBIST, and dual-core lockstep with diagnostic coverage per ISO 26262 ASIL-D.

Key Specifications

Pinout & Package

525 flip chip plastic ball grid array (FC-PBGA), 19 mm × 19 mm, 0.8 mm pitch, RoHS-compliant, moisture sensitivity 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 S32G399AACK1VUCT, the S32G398AACK1VUCT delivers identical compute, memory, and network acceleration capabilities in the same 525 FC-PBGA package, with optimized silicon revision and thermal profile for high-volume automotive gateway deployment - making it the most balanced choice for ASIL-D domain controller applications without USB or extended SerDes needs.

Availability

S32G398AACK1VUCT is available at Aetrix Electronics and suitable for central automotive gateways, ADAS domain controllers, and secure FOTA master applications requiring stable component supply, long-term automotive qualification, and AEC-Q100 Grade 2 compliance.

Supply support for S32G398AACK1VUCT 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 S32G398AACK1VUCT belongs to the S32G2 family of vehicle network processors, designed specifically for automotive central gateways and domain controllers requiring ASIL-D safety, hardware-enforced security, and high-throughput heterogeneous compute.

FAQ

What is the maximum operating frequency of the Cortex-A53 and Cortex-M7 cores in the S32G398AACK1VUCT?

The S32G398AACK1VUCT 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 temperature (-40 °C to 125 °C junction) conditions per the official S32G2 datasheet Rev. 8. The S32G398AACK1VUCT maintains these performance levels while meeting AEC-Q100 Grade 2 automotive qualification requirements.

Does the S32G398AACK1VUCT support LPDDR4 memory, and what are the voltage requirements?

Yes, the S32G398AACK1VUCT supports LPDDR4 memory with a nominal I/O supply voltage of 1.1 V (range: 1.06–1.17 V) and high-voltage supply of 1.8 V (1.68–1.92 V). The DDR PHY supply (VDD_DDR0) must be regulated within ±2.5% ripple, and the LPDDR4 interface is fully compatible with JEDEC JESD209-4 standards. This capability is confirmed in the S32G2 Data Sheet Rev. 8 Section 7.1 Operating Conditions.

What networking interfaces does the S32G398AACK1VUCT integrate, and how are they accelerated?

The S32G398AACK1VUCT integrates 4 Ethernet MACs (3× PFE_MAC + 1 GMAC), 16 BCAN, 4 LINFlexD, 1 FlexRay (dual-channel), and 2× PCIe Gen3 x2 SerDes. Acceleration is provided by the Packet Forwarding Engine (PFE) for firewalling and classification, and the Legacy Link Controller Engine (LLCE) for CAN FD, LIN, and FlexRay protocol offload - both reducing CPU overhead and ensuring deterministic latency. These are documented in the S32G2 block diagram and feature comparison table.

How does the S32G398AACK1VUCT achieve ASIL-D compliance for automotive safety applications?

The S32G398AACK1VUCT achieves ASIL-D compliance through integrated safety mechanisms including lockstep execution of all three Cortex-M7 cores, Fault Collection and Control Unit (FCCU), MBIST/LBIST memory testing, and XRDC-enforced hardware isolation across eight memory domains. These features are validated per ISO 26262 and AEC-Q100 Grade 2, with full documentation in the S32G2 Safety Manual and Data Sheet Rev. 8 Sections 1.1 and 3.

Is the S32G398AACK1VUCT pin-compatible with other S32G2 family members like the S32G274A?

Yes, the S32G398AACK1VUCT is pin-compatible with the S32G274A and other members of the S32G2 family sharing the 525 FC-PBGA package (UC code). All share identical ball map, power delivery requirements, and signal routing constraints. This compatibility is explicitly confirmed in the S32G2 Data Sheet Rev. 8 Section 4.1 Ordering Information and Table 1 Feature Comparison, enabling drop-in replacement where functional requirements align.