NXP Semiconductors S32G378ASAK1VUCR

Overview

S32G378ASAK1VUCR 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 clusters (1 GHz) and three lockstep Cortex-M7 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 targets central gateways requiring secure protocol translation and FOTA orchestration in EV and ADAS architectures.

For engineers reviewing the S32G378ASAK1VUCR datasheet, S32G378ASAK1VUCR pinout, S32G378ASAK1VUCR application, or S32G378ASAK1VUCR equivalent, key selection criteria include its dual A53 cluster lockstep configuration, 8 MB on-die SRAM, PCIe Gen3 SerDes support, IEEE 1588v2 timestamping, and HSE_H-based secure boot and key management - all validated for -40 °C to 105 °C operation in 525 FC-PBGA packaging.

Technical Context

The S32G378ASAK1VUCR implements a safety-isolated NoC fabric connecting two Cortex-A53 clusters (each with dual cores, 512 KB L2 cache, and GIC-500), three lockstep Cortex-M7 cores (64 KB D-TCM each), and dedicated accelerators including Packet Forwarding Engine (PFE), Link Layer Control Engine (LLCE), and Hardware Security Engine (HSE_H). Its memory subsystem includes 8 MB system SRAM with ECC, 32 KB standby SRAM, and interfaces to LPDDR4/DDR3L DRAM and QuadSPI NOR flash.

Networking is accelerated through integrated PFE (supporting stateful firewall, classification, header manipulation), LLCE (16x CAN FD, 4x LINFlexD, 1x FlexRay), and dual SerDes lanes supporting PCIe Gen3 x1/x2 or SGMII. Timing is managed by FMPLL and supports IEEE 1588v2 with global timestamping across all Ethernet MACs and PFE.

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. Pinout follows NXP's standardized S32G274A-compatible layout with dedicated power domains (VDD, VDD_STBY, VDD_IO_A/B/GMAC/QSPI/DDR0), differential SerDes lanes (PCIe/SGMII), and safety-critical signal groups routed to minimize coupling.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32G274A, S32G378ASAK1VUCR delivers identical safety, security, and networking performance in a cost-optimized configuration; compared with R-Car H3, it provides hardware-enforced ASIL-D compliance, integrated network acceleration, and automotive-grade lifecycle support - eliminating external safety monitors and protocol offload ICs.

Availability

S32G378ASAK1VUCR is available at Aetrix Electronics and suitable for central gateways, ADAS domain controllers, and FOTA master nodes requiring stable component supply across automotive production lifecycles.

Supply support for S32G378ASAK1VUCR 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 S32G378ASAK1VUCR belongs to the S32G2 family of vehicle network processors, designed specifically to consolidate gateway, safety, and security functions into a single ASIL-D-certified SoC for next-generation electric and autonomous vehicles.

FAQ

What is the core configuration of the S32G378ASAK1VUCR?

The S32G378ASAK1VUCR features two dual-core Cortex-A53 clusters (totaling four A53 cores) running at up to 1 GHz, plus three lockstep Cortex-M7 cores operating at 400 MHz. This heterogeneous architecture enables concurrent real-time safety monitoring and high-throughput application processing. The S32G378ASAK1VUCR implements cache coherency across A53 clusters and uses Arm CoreLink GIC-500 for interrupt management - all verified in the S32G274A superset documentation.

Does the S32G378ASAK1VUCR support IEEE 1588v2 precision time protocol?

Yes, the S32G378ASAK1VUCR supports IEEE 1588v2 with hardware timestamping across all four Ethernet MACs (3× PFE_MAC + 1× GMAC_0) and the Packet Forwarding Engine. It provides global timestamp synchronization with sub-microsecond accuracy and supports AVB traffic shaping. This capability is confirmed in the S32G2 Data Sheet Rev. 8 block diagram and timing specifications for PFE and GMAC modules.

What memory interfaces does the S32G378ASAK1VUCR support?

The S32G378ASAK1VUCR supports LPDDR4 and DDR3L DRAM interfaces (32-bit bus, up to 1600 MT/s), a QuadSPI NOR flash interface (with OTFAD encryption), and uSDHC/SDXC NAND flash support. It also integrates 8 MB of on-die system SRAM with ECC and 32 KB of standby SRAM with ECC. These interfaces are explicitly listed in the S32G2 Feature Comparison Table and Memory Modules section.

Is the S32G378ASAK1VUCR qualified for automotive temperature ranges?

Yes, the S32G378ASAK1VUCR is rated for -40 °C to 105 °C ambient operation (Grade 2 per AEC-Q100), with junction temperature limits up to 125 °C. Its thermal design supports continuous operation under these conditions when implemented with appropriate PCB layout and thermal vias. This rating is specified in Table 4 (Operating Conditions) of the S32G2 Data Sheet Rev. 8.

How does the S32G378ASAK1VUCR implement hardware security?

The S32G378ASAK1VUCR integrates the HSE_H (Hardware Security Engine) supporting AES-128/256, SHA-256, RSA/ECC, and TRNG; OTFAD for encrypted flash access; XRDC for 8-domain memory isolation; and Arm TrustZone. Secure debug and life-cycle management via eFuses are also included. All security features are documented in the S32G2 Security Modules section and validated per ISO/IEC 15408.