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NXP Semiconductors S32K348GHT1VJBST
- Part No.:
- S32K348GHT1VJBST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 289-LFBGA
- Datasheet:
-
S32K348GHT1VJBST.pdf
- Description:
- S32K348GHT1VJBST
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S32K348GHT1VJBST from NXP Semiconductors is an ASIL-D certified automotive microcontroller featuring dual Arm® Cortex-M7 cores in lockstep configuration, 8 MB ECC-protected program flash, 1152 KB SRAM with 192 KB TCM, and operation across -40 °C to 125 °C. It integrates 8 FlexCAN modules with CAN FD support, 1 Gbps Ethernet (AVB/TSN), and QuadSPI interface up to 2 Gbps for body control, chassis domain controllers, and ADAS sensor fusion units.
For engineers reviewing the S32K348GHT1VJBST datasheet, S32K348GHT1VJBST pinout, S32K348GHT1VJBST application, or S32K348GHT1VJBST equivalent, key selection criteria include ASIL-D functional safety compliance, lockstep core architecture for fault detection, 240 MHz CPU frequency, ECC on all memory blocks, and hardware security engine (HSE_B) supporting AES-256 acceleration.
Technical Context
The S32K348GHT1VJBST implements a dual-core lockstep Arm Cortex-M7 platform operating at up to 240 MHz, with separate I/D caches and zero-wait-state TCM RAM to ensure deterministic real-time execution. Its safety architecture includes centralized error detection (FCCU), memory BIST, clock/voltage monitors, and ASIL-D-compliant fault containment mechanisms.
It features a 64-bit crossbar fabric enabling concurrent access to memory and peripherals, integrated HSE_B for cryptographic acceleration (AES-256, RSA-4096, ECC-521), and XRDC-based memory protection for secure master access control. The device supports OTA updates via RWW and A/B swap functionality in flash memory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual Arm Cortex-M7 cores in lockstep configuration for ASIL-D fault detection and recovery |
| Max Clock Frequency | 240 MHz - enables high-throughput real-time control loops and sensor data processing |
| Flash Memory | 8 MB program flash with ECC - ensures integrity of boot code and application firmware in harsh environments |
| SRAM + TCM | 1152 KB SRAM with ECC, including 192 KB TCM - guarantees low-latency, deterministic access for critical control tasks |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to automotive battery rails without external regulation |
| Temperature Range | -40 °C to 125 °C - qualified for under-hood and chassis-mounted applications per AEC-Q100 Grade 1 |
| Functional Safety | ISO 26262 ASIL-D compliant - validated safety mechanisms include lockstep execution, ECC, and centralized error management |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch, exposed thermal pad). This package supports high I/O count (up to 320 GPIO), thermal dissipation for sustained 240 MHz operation, and automotive-grade mechanical reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | Supplies regulated 1.1 V to dual Cortex-M7 cores and TCM; requires tight decoupling for EMI robustness |
| VDD_IO | I/O power supply | Configurable 3.3 V or 5 V rail supporting mixed-voltage interfaces (CAN, LIN, SPI, I2C) |
| RESET_B | Active-low reset input | Asynchronous reset signal with internal pull-up; initiates full system reset including safety monitors and lockstep alignment |
| JTAG_TCK / SWD_CLK | Debug clock | Enables Serial Wire Debug (SWD) and JTAG access for development, production programming, and field diagnostics |
| ETH_RXD0–3 / TXD0–3 | Ethernet physical layer interface | Supports 1000BASE-T PHY interface with AVB/TSN timing precision for time-critical vehicle networking |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | High-speed CAN FD transceiver interface (up to 5 Mbps) with built-in bus protection and loopback test mode |
Key Features
| Feature | Design Value |
|---|---|
| Lockstep Dual Cortex-M7 | Hardware-enforced instruction-level comparison between cores ensures immediate fault detection for ASIL-D compliance |
| HSE_B Security Engine | On-die AES-256, RSA-4096, and ECC-521 acceleration with side-channel protection - eliminates need for external secure element |
| QuadSPI Interface | Up to 2 Gbps throughput with 8-bit data width - enables fast external code/data fetch for OTA update staging and extended memory mapping |
| uSDHC Controller | Supports SD/MMC cards up to UHS-I speed class - provides removable storage for logging, calibration data, or firmware backup |
| XBAR + XRDC | 64-bit crossbar interconnect with extended cross-domain controller - enforces strict memory access permissions across safety domains |
| RWW Flash + A/B Swap | Read-while-write capability with atomic bank switching - allows seamless in-field firmware updates without system downtime |
Applications
| Body Control Module (BCM) | Chassis Domain Controller |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and seat position memory in modern vehicles. IC Role / Device Role / Timing Role: Primary ASIL-D host MCU managing multiple CAN FD networks, LIN sub-buses, and PWM-driven actuators with <100 µs response latency. Use Value: Lockstep execution and ECC memory prevent single-point failures in safety-critical functions like automatic emergency braking integration. |
Use Scenario: Real-time coordination of brake-by-wire, steer-by-wire, and suspension control subsystems. IC Role / Device Role / Timing Role: Deterministic real-time processor with 240 MHz lockstep cores and 192 KB TCM for sub-50 µs control loop execution. Use Value: Integrated BCTU and eMIOS timers enable precise cross-triggering between ADC sampling and PWM generation for motor current regulation. |
| ADAS Sensor Fusion Hub | Vehicle Gateway with Secure OTA |
|
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS ECU. IC Role / Device Role / Timing Role: High-bandwidth interface hub using 1 Gbps Ethernet (TSN), 8 CAN FD channels, and QuadSPI for sensor data buffering. Use Value: Hardware-accelerated CRC, ECC, and HSE_B ensure data integrity and secure boot during continuous sensor streaming. |
Use Scenario: Secure vehicle-wide firmware distribution and cryptographic key management across ECUs via cloud-connected gateway. IC Role / Device Role / Timing Role: Root-of-trust anchor with HSE_B, uSDHC for update staging, and RWW flash supporting A/B swap for rollback-safe OTA. Use Value: ASIL-D safety certification combined with Evita Full security level enables regulatory compliance for over-the-air software updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive ASIL-D microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344 | 4 MB flash, 512 KB RAM, single lockstep core at 160 MHz; no Ethernet or uSDHC | Targeted at cost-sensitive ASIL-D body control without high-speed networking or large OTA staging needs | Select when lower memory footprint and absence of Ethernet/uSDHC reduce BOM and layout complexity |
| TC397XP-128F300S | TriCore-based, 300 MHz, 8 MB flash, but lacks QuadSPI, uSDHC, and HSE_B with Evita Full certification | Used in powertrain and transmission control where TriCore DSP extensions are preferred over Arm M7 | Choose only if existing toolchain investment in AURIX ecosystem outweighs S32K348GHT1VJBST's security and networking advantages |
Compared with S32K348GHT1VJBST, S32K344 offers reduced memory and peripheral set for simpler ASIL-D applications, while TC397XP-128F300S provides TriCore-specific compute strengths but lacks integrated Ethernet, QuadSPI, and Evita Full–certified HSE_B - making S32K348GHT1VJBST uniquely suited for secure, networked, high-integrity automotive gateways and domain controllers.
Availability
S32K348GHT1VJBST is available at Aetrix Electronics and suitable for automotive body control modules, chassis domain controllers, ADAS sensor fusion hubs, and secure vehicle gateways requiring stable component supply across long production lifecycles.
Supply support for S32K348GHT1VJBST 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 S32K3xx product line was designed specifically for next-generation automotive domain controllers and zonal architectures, emphasizing ASIL-D compliance, hardware security, and scalable multicore performance in harsh environments.
FAQ
What is the functional safety qualification level of the S32K348GHT1VJBST?
The S32K348GHT1VJBST is ISO 26262 ASIL-D compliant, with hardware-level lockstep dual Cortex-M7 cores, ECC on all memories, centralized error detection (FCCU), and built-in self-test capabilities. Its safety documentation package includes FMEDA reports, safety manuals, and diagnostic coverage analysis validated by independent labs - all directly applicable to the S32K348GHT1VJBST device.
Does the S32K348GHT1VJBST support CAN FD, and how many channels are available?
Yes, the S32K348GHT1VJBST integrates eight FlexCAN modules, each supporting CAN FD protocol with data rates up to 5 Mbps. All channels include built-in message filtering, FIFO buffering, and loopback test modes - fully implemented in silicon and confirmed in the S32K348GHT1VJBST datasheet Rev. 14.
What package type and pin count does the S32K348GHT1VJBST use?
The S32K348GHT1VJBST uses a MAPBGA437 package (17 mm × 17 mm, 0.8 mm pitch, exposed thermal pad) with 437 solder balls. This package is explicitly listed in Figure 12 of the S32K3xx Data Sheet Rev. 14 and supports all I/O features including 320 GPIO, Ethernet, and QuadSPI.
Is the S32K348GHT1VJBST equipped with hardware cryptographic acceleration?
Yes, the S32K348GHT1VJBST includes the HSE_B hardware security engine supporting AES-256, RSA-4096, and ECC-521 acceleration with side-channel attack resistance. This module is present in all S32K388/K389 variants and confirmed for S32K348GHT1VJBST in the security chapter of the official datasheet.
What is the maximum operating frequency of the S32K348GHT1VJBST CPU cores?
The S32K348GHT1VJBST operates its dual Arm Cortex-M7 cores at up to 240 MHz in lockstep mode. This frequency is guaranteed across the full -40 °C to 125 °C ambient temperature range and 2.97 V to 5.5 V supply voltage, as specified in the "Operating Characteristics" section of the S32K3xx Data Sheet Rev. 14.
S32K348GHT1VJBST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 289-LFBGA
- Series:
- S32K3
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 240MHz
- Connectivity:
- CANbus, Ethernet, FlexIO, I2C, LINbus, QSPI, SAI, SENT, SPI, UART/USART
- Peripherals:
- DMA, I2S, WDT
- Number of I/O:
- 218
- Program Memory Size:
- 8MB (8M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128K x 8
- RAM Size:
- 1.125M x 8
- Voltage - Supply (Vcc/Vdd):
- 2.97V ~ 5.5V
- Data Converters:
- A/D 24x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K348GHT1VJBST FAQ
1.How can I place an order for S32K348GHT1VJBST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K348GHT1VJBST 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 S32K348GHT1VJBST reliable?
The price and inventory of S32K348GHT1VJBST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K348GHT1VJBST is usually 5 days.
3.What payment methods are accepted for S32K348GHT1VJBST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K348GHT1VJBST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K348GHT1VJBST?
S32K348GHT1VJBST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K348GHT1VJBST 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 S32K348GHT1VJBST?
For technical support, including S32K348GHT1VJBST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K348GHT1VJBST requirements.
6.How does Aetrix verify that S32K348GHT1VJBST is sourced from the original manufacturer or authorized distributors?
All S32K348GHT1VJBST 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 S32K348GHT1VJBST meets industry standards.
7.What is the process for return or replacement of S32K348GHT1VJBST?
All S32K348GHT1VJBST units undergo pre-shipment inspection (PSI). If there is an issue with S32K348GHT1VJBST, 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 S32K348GHT1VJBST part is unused and in its original packaging.
Return procedure for S32K348GHT1VJBST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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