NXP Semiconductors S32G399ASAK1VUCT

Overview

S32G399ASAK1VUCT from NXP Semiconductors is a high-performance automotive vehicle network processor integrating dual Cortex-A53 application cores (1 GHz), three lockstep Cortex-M7 real-time cores (400 MHz), 8 MB system SRAM with ECC, and hardware-accelerated networking including PFE Ethernet packet processing, LLCE legacy bus offload, and dual PCIe Gen3 SerDes. It serves as a central gateway or domain controller in ASIL D–compliant vehicle architectures.

For engineers reviewing the S32G399ASAK1VUCT datasheet, S32G399ASAK1VUCT pinout, S32G399ASAK1VUCT application, or S32G399ASAK1VUCT equivalent, key selection criteria include functional safety certification (ISO 26262 ASIL D), hardware security subsystem (HSE_H), deterministic real-time response via lockstep M7 clusters, and support for concurrent high-bandwidth Ethernet (up to 2.5 Gbps) and legacy protocols (CAN FD, FlexRay, LIN).

Technical Context

The S32G399ASAK1VUCT implements a heterogeneous compute architecture with two independent Cortex-A53 clusters (dual-core each, cache-coherent via CoreLink GIC-500) and three Cortex-M7 cores operating in lockstep for safety-critical control tasks. Its NoC-based fabric enables deterministic latency between CPU subsystems, memory, and accelerators.

Networking is partitioned across dedicated hardware: the Packet Forwarding Engine (PFE) handles stateful firewall, classification, and header manipulation at line rate; the Legacy Link Controller Engine (LLCE) offloads CAN FD, FlexRay, and LIN protocol stacks; and dual PCIe Gen3 SerDes lanes support high-speed peripheral interconnect or external switch expansion.

Key Specifications

Pinout & Package

525-ball flip-chip plastic ball grid array (FC-PBGA), 19 mm × 19 mm, 0.8 mm pitch, RoHS-compliant, moisture sensitivity level 3. Thermal pad exposed on underside for enhanced junction-to-board heat transfer in automotive under-hood environments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32G274A, the S32G399ASAK1VUCT offers identical silicon functionality but with pre-programmed security fuses and temperature grade optimization; versus R-Car S4, it provides superior integration of safety-critical real-time control and hardware-accelerated vehicle networking in a single die.

Availability

S32G399ASAK1VUCT is available at Aetrix Electronics and suitable for central vehicle gateways, ASIL D–compliant ADAS domain controllers, and secure FOTA master nodes requiring stable component supply across automotive production lifecycles.

Supply support for S32G399ASAK1VUCT 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 S32G399ASAK1VUCT belongs to the S32G2 vehicle network processor family, designed specifically to consolidate gateway, domain control, and secure connectivity functions into a single ASIL D–certifiable SoC for software-defined vehicles.

FAQ

What is the maximum operating frequency of the Cortex-A53 and Cortex-M7 cores in the S32G399ASAK1VUCT?

The S32G399ASAK1VUCT supports Cortex-A53 cores up to 1000 MHz and Cortex-M7 cores up to 400 MHz under specified voltage and thermal conditions. These frequencies are guaranteed across the full −40 °C to 105 °C ambient temperature range when powered with VDD_CORE = 0.72–0.87 V and Tj ≤ 125 °C. The S32G399ASAK1VUCT datasheet specifies these values in Table 4 (Operating Conditions) and confirms them for both application and real-time processing workloads.

Does the S32G399ASAK1VUCT include hardware support for ISO 26262 ASIL D compliance?

Yes, the S32G399ASAK1VUCT integrates multiple hardware features required for ISO 26262 ASIL D decomposition: triple Cortex-M7 cores in lockstep with dedicated NVICs and error-correcting TCM, FCCU for fault collection, MBIST/LBIST for memory and logic testing, and XRDC for hardware-enforced memory isolation. These capabilities are documented in the S32G2 Data Sheet Rev. 8 and validated in NXP's ASIL D safety manual for the S32G2 family.

What types of Ethernet interfaces does the S32G399ASAK1VUCT support, and at what speeds?

The S32G399ASAK1VUCT supports four Ethernet MACs: three PFE_MAC ports and one GMAC_0 port, configurable for MII, RMII, RGMII, or SGMII physical interfaces. It delivers 2.5 Gbps on GMAC_0 and 1 Gbps on the remaining MACs, with full IEEE 1588v2 hardware timestamping and AVB support. This capability is confirmed in Section 3 (Feature Comparison) and Figure 1 (Block Diagram) of the S32G2 Data Sheet.

How does the S32G399ASAK1VUCT handle legacy automotive networks like CAN FD and FlexRay?

The S32G399ASAK1VUCT integrates the Legacy Link Controller Engine (LLCE), which provides full hardware offload for CAN FD (16 channels), FlexRay (2-channel v2.1), and LINFlexD (7 channels). This eliminates CPU overhead for protocol handling and ensures deterministic timing - critical for gateway translation tasks. The S32G2 Data Sheet Rev. 8 explicitly lists these channel counts in Table 1 (Feature Comparison) and describes LLCE operation in Section 1.1.

What security features are implemented in the S32G399ASAK1VUCT's HSE_H subsystem?

The S32G399ASAK1VUCT's HSE_H subsystem provides symmetric (AES-128/256) and asymmetric (RSA-2048/3072, ECC) cryptography, true random number generation (RNG), secure key storage in eFuses, and hardware-accelerated CMAC authentication. It supports OTFAD for encrypted flash access and secure debug lockdown. These features are detailed in Section 3 (Feature Comparison) and the S32G Reference Manual referenced in the S32G2 Data Sheet.