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NXP Semiconductors S32G254ASBK0VUCT
- Part No.:
- S32G254ASBK0VUCT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 525-FBGA, FCBGA
- Datasheet:
-
S32G254ASBK0VUCT.pdf
- Description:
- S32G254A ARM CORTEX-M7 AND -A53,
- Quantity:
- Payment:
- Shipping:
Inventory:4,972
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Product details
Overview
S32G254ASBK0VUCT 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-based Ethernet packet processing, LLCE for CAN/FlexRay/LIN 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 S32G254ASBK0VUCT datasheet, S32G254ASBK0VUCT pinout, S32G254ASBK0VUCT application, or S32G254ASBK0VUCT equivalent, key selection criteria include its dual-cluster CPU architecture with functional safety support, integrated network acceleration engines (PFE + LLCE), 8 MB on-die SRAM, PCIe Gen3 ×2 capability, and -40 °C to 105 °C extended temperature operation.
Technical Context
The S32G254ASBK0VUCT implements a heterogeneous compute platform with Cluster 0 (dual Cortex-A53) and Cluster 1 (single Cortex-A53), each with 512 KB L2 cache and coherent interconnect, plus three lockstep Cortex-M7 cores for safety-critical tasks. Its NoC-based fabric enables deterministic latency between CPUs, accelerators, and memory subsystems.
Networking is architected around two dedicated hardware blocks: the Packet Forwarding Engine (PFE) handles stateful firewall, classification, and IEEE 1588v2 timestamping at line rate, while the Low-Latency Communication Engine (LLCE) offloads protocol processing for up to 16 CAN FD, 1 FlexRay (dual-channel), and 7 LIN interfaces - all without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Architecture | Dual Cortex-A53 @ 1 GHz + single Cortex-A53 @ 1 GHz + triple lockstep Cortex-M7 @ 400 MHz - enables concurrent Linux-based application processing and ASIL D–certifiable real-time control. |
| System RAM | 8 MB on-chip SRAM with ECC - eliminates external RAM dependency for critical firmware and packet buffers, reducing BOM and improving fault resilience. |
| Network Acceleration | PFE with 3x PFE_MAC + 1x GMAC_0; LLCE supporting 16 CAN FD, 1 FlexRay (2-channel), 4 LINFlexD + 3 LIN - offloads >90% of protocol stack processing from application cores. |
| PCIe Interface | 2× SerDes lanes supporting PCIe Gen3 in x1/x2 modes - enables direct attachment of high-speed peripherals like radar SoCs or NVMe storage without bridge chips. |
| Security & Safety | HSE_H cryptographic subsystem, XRDC memory protection with 8 domains, Arm TrustZone®, OTFAD, and FCCU/MBIST - delivers hardware-enforced separation for secure boot, FOTA, and safety monitoring. |
| Operating Temperature | -40 °C to 105 °C (TA) - qualified per AEC-Q100 Grade 2, suitable for under-hood central gateway deployment without active cooling. |
| Package | 525 FC-PBGA, 19 mm × 19 mm, 0.8 mm pitch - supports high I/O count (≥300 signal balls) and thermal dissipation up to 125 °C junction temperature. |
Pinout & Package
525-ball flip-chip plastic ball grid array (FC-PBGA), 19 mm × 19 mm, 0.8 mm pitch, RoHS-compliant. Thermal pad on underside requires solder paste stencil design per NXP AN12027.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 0.72–0.87 V LV supply for Cortex-A53/M7 clusters; requires low-noise regulation and tight ΔVDD ≤ ±25 mV. |
| VDD_IO_A / VDD_IO_B | 3.3 V I/O domain supplies | Power GPIO banks A/B; must be ramped within 50 V/ms; supports 3.08–3.52 V range with ±25 mV differential tolerance. |
| VDD_IO_GMAC0 / VDD_IO_GMAC1 | Ethernet PHY I/O supplies | Configurable for 1.8 V or 3.3 V operation; enables RGMII/SGMII interface flexibility with matched impedance routing. |
| PCIe_REFCLK_P/N | Differential reference clock input | 100 MHz LVDS input for PCIe SerDes PLL locking; requires controlled-impedance 100 Ω differential pair and <1 ps skew. |
| RESET_B | Active-low asynchronous reset | Drives full chip reset; must remain asserted ≥100 µs after all supplies stabilize; PMIC coordination required per power sequencing spec. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Security Engine (HSE_H) | Offloads AES-128/256, SHA-256, RSA-2048, ECDSA, and CMAC operations - enables sub-100 µs secure boot verification and runtime key management without CPU overhead. |
| Packet Forwarding Engine (PFE) | Processes 10 Gbps Ethernet traffic with stateful firewall, header manipulation, and IEEE 1588v2 timestamping - eliminates need for external switch ICs in gateway designs. |
| Low-Latency Communication Engine (LLCE) | Handles 16 CAN FD, 1 FlexRay (2-channel), and 7 LIN interfaces in hardware - reduces CPU load by >75% versus software-based protocol stacks. |
| Arm TrustZone® + XRDC | Enforces memory isolation across 8 security domains - allows simultaneous execution of certified AUTOSAR OS, Linux, and proprietary safety monitors with zero software interference. |
| OTFAD (On-The-Fly AES Decryption) | Decrypts encrypted code/data from external flash during read access - secures FOTA updates and protects IP without requiring DRAM-based decryption buffers. |
Applications
| Central Vehicle Gateway | Safety-Critical ADAS Processor |
|---|---|
Use Scenario: Aggregating CAN FD, FlexRay, LIN, and Ethernet domains in next-gen E/E architecture with protocol translation and firewall enforcement. IC Role / Device Role / Timing Role: Primary network convergence node performing real-time packet routing, time-synchronized diagnostics, and secure OTA orchestration. Use Value: Reduces gateway ECU count by consolidating 3+ legacy controllers; PFE+LLCE offload enables deterministic <50 µs CAN-to-Ethernet latency. |
Use Scenario: Running ISO 26262 ASIL D–certified perception fusion and motion planning alongside non-safety Linux services. IC Role / Device Role / Timing Role: Dual-cluster safety island: lockstep Cortex-M7 executes certified RTOS for sensor watchdog and fail-safe actuation; Cortex-A53 runs AI inference. Use Value: Eliminates need for separate safety MCU; hardware-isolated domains prevent Linux crashes from compromising ASIL D functions. |
| FOTA Master Controller | Secure Key Management Unit |
Use Scenario: Managing end-to-end secure software update distribution across 50+ ECUs in zonal architecture with rollback protection. IC Role / Device Role / Timing Role: Cryptographic root-of-trust executing signed image validation, AES-GCM decryption, and secure multicast delivery via PFE. Use Value: Achieves <2 s OTA validation time using HSE_H offload; OTFAD enables instant decryption of 100 MB+ images without RAM buffering. |
Use Scenario: Storing and provisioning cryptographic keys for vehicle identity, V2X certificates, and secure boot chains in tamper-resistant hardware. IC Role / Device Role / Timing Role: Dedicated HSE_H subsystem with eFuse-backed key storage and hardware-enforced access control via XRDC. Use Value: Prevents key extraction via side-channel or physical attacks; meets UNECE R155 cybersecurity management system requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar vehicle network processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32G274ASBK0VUCT | Superset variant with dual Cortex-A53 clusters (4 cores total), 16 CAN FD channels, and additional PCIe lane - higher compute headroom and I/O count. | Targeted at premium domain controllers requiring maximum scalability; not drop-in due to larger package (525 vs. 525 ball but different ball map). | Select when future-proofing for multi-gigabit Ethernet aggregation or >100 Mbps CAN FD bandwidth is required. |
| S32G234MSBK0VUCT | Entry variant with single Cortex-A53 core, 6 MB SRAM, no PCIe, and reduced LLCE (4 CAN FD) - lower cost and power envelope. | Suitable for cost-sensitive gateways with limited Ethernet throughput (<1 Gbps) and no PCIe peripheral attachment needs. | Choose when BOM cost reduction is prioritized over future upgrade path; shares same 525 FC-PBGA footprint but different pinout. |
Compared with S32G254ASBK0VUCT, the S32G274ASBK0VUCT offers higher core count and I/O for scalable domain control, while the S32G234MSBK0VUCT trades performance for cost efficiency in entry-level gateways - neither is pin-compatible, requiring PCB redesign for migration.
Availability
S32G254ASBK0VUCT is available at Aetrix Electronics and suitable for central vehicle gateways, ASIL D–compliant ADAS processors, and secure FOTA master controllers requiring stable component supply across automotive production lifecycles.
Supply support for S32G254ASBK0VUCT 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 automotive-grade silicon.
The S32G2 family was designed specifically for high-performance, safety-certified vehicle networking - targeting central gateways, domain controllers, and secure compute nodes in SDV (Software-Defined Vehicle) architectures.
FAQ
What is the maximum operating frequency of the Cortex-A53 and Cortex-M7 cores in the S32G254ASBK0VUCT?
The S32G254ASBK0VUCT features dual Cortex-A53 application cores and a single Cortex-A53 core, all rated at 1 GHz maximum operating frequency, and three lockstep Cortex-M7 real-time cores rated at 400 MHz. These frequencies are guaranteed under specified voltage (0.72–0.87 V) and temperature (-40 °C to 105 °C) conditions per the official S32G2 Data Sheet Rev. 8.
Does the S32G254ASBK0VUCT support PCIe Gen3, and how many lanes are available?
Yes, the S32G254ASBK0VUCT integrates two SerDes subsystems supporting PCIe Gen3 in x1 and x2 configurations. Each SerDes can be configured independently for PCIe or SGMII, enabling flexible high-speed peripheral attachment such as radar processors or NVMe storage without external bridges - a capability confirmed in the S32G2 feature comparison table.
How much on-chip SRAM does the S32G254ASBK0VUCT include, and is ECC supported?
The S32G254ASBK0VUCT includes 8 MB of on-chip system SRAM with full ECC protection, plus 32 KB of standby SRAM also with ECC. This eliminates reliance on external RAM for safety-critical firmware and packet buffering, directly contributing to ASIL D compliance and system reliability - as specified in Table 1 of the S32G2 Data Sheet.
What networking protocols does the S32G254ASBK0VUCT accelerate in hardware?
The S32G254ASBK0VUCT provides hardware acceleration for Ethernet via the Packet Forwarding Engine (PFE), and for legacy automotive buses via the Low-Latency Communication Engine (LLCE), supporting up to 16 CAN FD channels, 1 FlexRay controller with dual-channel capability, and 7 LIN interfaces - all without CPU involvement, as documented in the S32G2 feature comparison and block diagram.
Is the S32G254ASBK0VUCT qualified for automotive use, and what temperature grade does it meet?
Yes, the S32G254ASBK0VUCT is AEC-Q100 qualified for automotive applications and operates across an ambient temperature range of -40 °C to 105 °C (Grade 2), with a maximum junction temperature of 125 °C. Its qualification covers ESD robustness (2000 V HBM), thermal cycling, and lifetime reliability under automotive stress profiles - per Section 5 and Table 4 of the S32G2 Data Sheet.
S32G254ASBK0VUCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 525-FBGA, FCBGA
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Core Processor:
- ARM® Cortex®-A53, ARM® Cortex®-M7
- Number of Cores/Bus Width:
- 3 Core, 64-Bit/2 Core, 32-Bit
- Speed:
- 400MHz, 1GHz
- Co-Processors/DSP:
- Multimedia; NEON
- RAM Controllers:
- DDR3L, LPDDR4
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- GbE (4)
- SATA:
- -
- USB:
- USB 2.0 OTG (1)
- Voltage - I/O:
- 1.2V, 1.8V, 2.5V, 3.3V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Security Features:
- ARM TZ, Cryptography, Random Number Generator, Secure Fusebox, Secure Memory, XRDC
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 525-FCPBGA (19x19)
- Additional Interfaces:
- DMA, FlexRay, GPIO, I2C, LINbus, MMC/SD, PCIe, SPI, UART
S32G254ASBK0VUCT FAQ
1.How can I place an order for S32G254ASBK0VUCT through Aetrix?
Please submit a Request for Quotation (RFQ) for S32G254ASBK0VUCT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for S32G254ASBK0VUCT reliable?
The price and inventory of S32G254ASBK0VUCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32G254ASBK0VUCT is usually 5 days.
3.What payment methods are accepted for S32G254ASBK0VUCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32G254ASBK0VUCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32G254ASBK0VUCT?
S32G254ASBK0VUCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32G254ASBK0VUCT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for S32G254ASBK0VUCT?
For technical support, including S32G254ASBK0VUCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32G254ASBK0VUCT requirements.
6.How does Aetrix verify that S32G254ASBK0VUCT is sourced from the original manufacturer or authorized distributors?
All S32G254ASBK0VUCT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S32G254ASBK0VUCT meets industry standards.
7.What is the process for return or replacement of S32G254ASBK0VUCT?
All S32G254ASBK0VUCT units undergo pre-shipment inspection (PSI). If there is an issue with S32G254ASBK0VUCT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The S32G254ASBK0VUCT part is unused and in its original packaging.
Return procedure for S32G254ASBK0VUCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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