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NXP Semiconductors S32K348GHT1VJBSR
- Part No.:
- S32K348GHT1VJBSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 289-LFBGA
- Datasheet:
-
S32K348GHT1VJBSR.pdf
- Description:
- S32K348GHT1VJBSR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S32K348GHT1VJBSR 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 eight FlexCAN modules with CAN FD support, one 1 Gbps Ethernet AVB/TSN interface, and three 24-channel 12-bit ADCs - deployed in body control modules, gateway ECUs, and chassis domain controllers requiring functional safety and real-time deterministic response.
For engineers reviewing the S32K348GHT1VJBSR datasheet, S32K348GHT1VJBSR pinout, S32K348GHT1VJBSR application, or S32K348GHT1VJBSR equivalent, key selection criteria include ASIL-D compliance, lockstep core architecture, QuadSPI (up to 2 Gbps, 8-bit), uSDHC interface, and integrated HSE-B security engine supporting AES-256, RSA-4096, and ECC-521 with firmware upgradability.
Technical Context
The S32K348GHT1VJBSR implements a dual-core lockstep Arm Cortex-M7 platform running at 240 MHz per core, with separate I/D caches and zero-wait-state TCM for deterministic real-time execution. Its safety architecture includes centralized error detection (FCCU), memory BIST, voltage/clock monitors, and hardware redundancy aligned to ISO 26262 ASIL-D requirements.
It features a 64-bit crossbar fabric enabling concurrent access to memory and peripherals, with dedicated DMAMUX supporting up to 32 DMA channels and 128 request sources. The device integrates XRDC for master access control, VIRT_WRAPPER for I/O protection, and STCU2 for system timing coordination - all essential for secure, partitioned automotive software deployment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual Arm Cortex-M7 cores in lockstep, 240 MHz - enables fault-detection via comparison logic for ASIL-D safety-critical tasks |
| Flash Memory | 8 MB program flash with ECC - supports RWW (Read-While-Write) and A/B swap for robust OTA updates |
| SRAM | 1152 KB SRAM with ECC, including 192 KB TCM - ensures low-latency data access for time-critical control loops |
| Operating Voltage | 2.97 V to 5.5 V - compatible with automotive battery rail variations including cold-crank conditions |
| Temperature Range | -40 °C to 125 °C - qualified for under-hood and chassis-mounted ECU environments |
| Communication | 8 × FlexCAN (CAN FD), 1 × 1 Gbps Ethernet (AVB/TSN), 16 × LPUART, 6 × LPSPI, 2 × LPI2C - meets modern vehicle domain controller bandwidth and protocol diversity needs |
| Security | HSE-B hardware security engine with AES-256, RSA-4096, ECC-521 acceleration and side-channel protection - fulfills EVITA Full security goals |
| Analog Peripherals | 3 × 24-channel 12-bit ADC, 3 × analog comparators with internal 8-bit DAC, BCTU for cross-triggering - enables precise sensor fusion and closed-loop actuator control |
Pinout & Package
Package: MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed pad - optimized for thermal dissipation in high-power automotive applications and PCB layout density.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog power supply | Provides clean 3.3 V supply for ADC, comparators, and analog reference circuitry |
| VSSA | Analog ground | Separate ground return path for analog subsystem to minimize noise coupling into precision measurements |
| RTC_XTAL_IN / RTC_XTAL_OUT | 32 kHz crystal oscillator terminals | Connects external 32 kHz crystal for autonomous RTC operation during STANDBY mode |
| ENET_RXD0–3 / ENET_TXD0–3 | Ethernet physical layer interface | Supports 1000BASE-T PHY signaling with AVB/TSN timestamping capability |
| CAN_H / CAN_L (x8) | Differential CAN FD bus transceiver pins | Each pair supports up to 5 Mbps bit rate with built-in loopback and bus-off recovery |
| QSPI_D0–D7 / QSPI_SCLK / QSPI_SS | QuadSPI interface signals | Enables 2 Gbps external flash/RAM expansion with 8-bit data width and configurable latency |
| uSDHC_CMD / uSDHC_CLK / uSDHC_DATA0–3 | Secure Digital Host Controller interface | Supports SD/eMMC cards for logging, firmware storage, or infotainment content caching |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-D Lockstep Architecture | Dual Cortex-M7 cores execute identical instructions with real-time comparison - detects transient faults and triggers safe state entry per ISO 26262 requirements |
| Hardware Security Engine (HSE-B) | On-chip cryptographic accelerator with firmware-upgradable algorithms - eliminates need for external secure element in OTA-capable gateways |
| Extended Cross-domain Domain Controller (XRDC) | Configurable memory and peripheral access rights per master - enforces software partitioning between AUTOSAR OS, safety monitor, and application cores |
| Virtualization Wrapper (VIRT_WRAPPER) | Hardware-enforced I/O isolation between virtual machines - enables mixed-criticality RTOS coexistence on single silicon |
| Body Control Trigger Unit (BCTU) | Hardware cross-trigger matrix linking ADC conversions, timers, and PWM outputs - reduces CPU overhead in motor control and lighting sequences |
| OTA-Ready Memory System | RWW flash with A/B swap and ECC - allows atomic firmware updates without interrupting real-time control execution |
Applications
| Automotive Gateway ECU | Chassis Domain Controller |
|---|---|
Use Scenario: Aggregating and routing CAN FD, LIN, Ethernet, and FlexIO traffic between ADAS, infotainment, and powertrain domains. IC Role / Device Role / Timing Role: Central communication hub with time-synchronized message forwarding using TSN-aware Ethernet and deterministic CAN FD scheduling. Use Value: Enables centralized vehicle networking with sub-microsecond timestamp accuracy and ASIL-D fault containment for fail-operational behavior. |
Use Scenario: Real-time coordination of brake-by-wire, steer-by-wire, and suspension control units in zonal architectures. IC Role / Device Role / Timing Role: Safety-certified domain controller executing ISO 26262-compliant control algorithms with lockstep core validation and memory ECC. Use Value: Delivers <10 µs jitter on eMIOS PWM outputs and <50 ns ADC sampling synchronization - critical for torque vectoring and active damping. |
| Electric Powertrain Inverter Control | Advanced Body Control Module |
Use Scenario: Closed-loop motor control for traction inverters with current sensing, temperature monitoring, and gate driver interface. IC Role / Device Role / Timing Role: Real-time processor managing FOC (Field-Oriented Control) loops via TCM-resident code and BCTU-triggered ADC sampling. Use Value: Achieves 20 kHz PWM switching with hardware-accelerated Clarke/Park transforms and 12-bit ADC sampling at 1 MSps per channel. |
Use Scenario: Managing lighting, window lift, seat position, and HVAC actuators across multiple vehicle zones with LIN and CAN FD interfaces. IC Role / Device Role / Timing Role: Low-power general-purpose MCU with 60 wakeup-capable GPIOs and integrated LCU for combinatorial logic offload. Use Value: Reduces system-level MCU count by integrating 320 GPIOs, 32 interrupt-capable pins, and programmable logic units - lowering BOM cost and board space. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344GHT1VJBSR | 4 MB flash, 512 KB RAM, single-lockstep core, no uSDHC or 1 Gbps Ethernet | Targeted at mid-tier gateways without high-bandwidth storage or TSN requirements | Select when ASIL-D compliance is required but full S32K348 feature set exceeds system needs - reduces cost and thermal load |
| S32K358GHT1VJBSR | Three independent Cortex-M7 cores (240 MHz), 8 MB flash, 1152 KB RAM, uSDHC, 1 Gbps Ethernet, but no lockstep configuration | Optimized for heterogeneous compute workloads (e.g., AI inference + control) rather than safety-critical lockstep validation | Choose for mixed-criticality systems needing parallel processing where ASIL-D is enforced via software partitioning and XRDC, not hardware lockstep |
Compared with S32K344GHT1VJBSR, the S32K348GHT1VJBSR adds 4 MB flash, 640 KB RAM, uSDHC, and 1 Gbps Ethernet - enabling richer OTA capabilities and higher-bandwidth domain consolidation. Against S32K358GHT1VJBSR, it trades triple-core flexibility for deterministic lockstep assurance - making it preferable for brake or steering control where hardware fault detection is mandatory.
Availability
S32K348GHT1VJBSR is available at Aetrix Electronics and suitable for automotive gateway ECUs, chassis domain controllers, electric powertrain inverters, and advanced body control modules requiring stable component supply across extended production lifecycles.
Supply support for S32K348GHT1VJBSR 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The S32K3xx product line was designed specifically for next-generation automotive electronic control units demanding ASIL-D compliance, hardware-based security, and scalable multicore performance - extending the S32K1xx portfolio with Arm Cortex-M7 lockstep architecture.
FAQ
What safety certification level does the S32K348GHT1VJBSR support?
The S32K348GHT1VJBSR is certified to ISO 26262 ASIL-D at the hardware level, with integrated lockstep Cortex-M7 cores, FCCU fault collection unit, memory ECC/EDC, and hardware redundancy. Its safety manual and FMEDA report are provided by NXP to support system-level ASIL-D claim derivation - confirming that S32K348GHT1VJBSR meets the highest automotive functional safety integrity requirement.
Does the S32K348GHT1VJBSR include hardware cryptographic acceleration?
Yes, the S32K348GHT1VJBSR integrates the HSE-B (Hardware Security Engine-B) module, which provides dedicated hardware acceleration for AES-256, RSA-4096, and ECC-521 cryptographic operations, plus TRNG/PRNG, side-channel attack protection, and upgradable firmware - enabling secure boot, OTA authentication, and key management without external security chips.
What package type and pin count does the S32K348GHT1VJBSR use?
The S32K348GHT1VJBSR is packaged in a MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed pad. This 437-pin ball grid array supports high I/O density, thermal performance for automotive under-hood environments, and compatibility with standard reflow profiles - confirmed in NXP's S32K348 packaging documentation.
Can the S32K348GHT1VJBSR support over-the-air (OTA) firmware updates?
Yes, the S32K348GHT1VJBSR supports robust OTA updates via its RWW (Read-While-Write) flash architecture, A/B swap capability, and ECC-protected memory - allowing background firmware download while maintaining real-time control execution. Its uSDHC interface further enables local update staging from SD cards or eMMC storage.
How many CAN FD interfaces does the S32K348GHT1VJBSR provide?
The S32K348GHT1VJBSR 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 bus-off recovery - enabling high-throughput, time-triggered communication across vehicle domains without external CAN controllers.
S32K348GHT1VJBSR 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:
S32K348GHT1VJBSR FAQ
1.How can I place an order for S32K348GHT1VJBSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K348GHT1VJBSR 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 S32K348GHT1VJBSR reliable?
The price and inventory of S32K348GHT1VJBSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K348GHT1VJBSR is usually 5 days.
3.What payment methods are accepted for S32K348GHT1VJBSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K348GHT1VJBSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K348GHT1VJBSR?
S32K348GHT1VJBSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K348GHT1VJBSR 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 S32K348GHT1VJBSR?
For technical support, including S32K348GHT1VJBSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K348GHT1VJBSR requirements.
6.How does Aetrix verify that S32K348GHT1VJBSR is sourced from the original manufacturer or authorized distributors?
All S32K348GHT1VJBSR 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 S32K348GHT1VJBSR meets industry standards.
7.What is the process for return or replacement of S32K348GHT1VJBSR?
All S32K348GHT1VJBSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K348GHT1VJBSR, 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 S32K348GHT1VJBSR part is unused and in its original packaging.
Return procedure for S32K348GHT1VJBSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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