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NXP Semiconductors S32K348GHT1VPCSR

Name: S32K348GHT1VPCSR
Brand: NXP Semiconductors
SKU: S32K348GHT1VPCSR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S32K348GHT1VPCSR

Manufacturer:: NXP Semiconductors

Category:: Microcontrollers

Package:: 172-QFP Exposed Pad

Datasheet:: S32K348GHT1VPCSR.pdf

Description:: S32K348GHT1VPCSR

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Product details

Overview

S32K348GHT1VPCSR from NXP Semiconductors is an ASIL-D certified automotive MCU 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 12-bit ADCs (24-channel each), targeting safety-critical vehicle control units and domain controllers.

For engineers reviewing the S32K348GHT1VPCSR datasheet, S32K348GHT1VPCSR pinout, S32K348GHT1VPCSR application, or S32K348GHT1VPCSR equivalent, key selection criteria include ASIL-D compliance, lockstep core architecture, QuadSPI interface supporting up to 2 Gbps (8-bit), uSDHC controller, and hardware security engine (HSE_B) with AES-256 acceleration.

Technical Context

The S32K348GHT1VPCSR implements a dual-core lockstep Arm Cortex-M7 platform running at 240 MHz per core, with independent I/D caches, FPU, and DSP extensions. Its memory subsystem includes ECC on all on-chip memories and supports RWW (Read-While-Write) for OTA updates via A/B swap.

Timing and safety are enforced through integrated modules: System Timer Modules (STM), Logic Control Units (LCU), Body Control Trigger Unit (BCTU), and centralized Functional Safety Control Unit (FCCU). The device uses two PLLs, FXOSC (8–40 MHz), FIRC (48 MHz), SIRC/SXOSC (32 kHz), and supports autonomous RTC with API function.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	Dual Arm Cortex-M7 cores in lockstep, 240 MHz each, with FPU and DSP extensions for deterministic real-time execution.
Flash Memory	8 MB program flash with ECC and RWW capability enabling safe over-the-air (OTA) firmware updates without system interruption.
RAM	1152 KB SRAM with ECC, including 192 KB tightly coupled memory (TCM) for zero-wait-state CPU access in time-critical control loops.
Operating Voltage	2.97 V to 5.5 V supply range, supporting direct connection to automotive battery rails with minimal external regulation.
Temperature Range	-40 °C to +125 °C ambient, qualified for under-hood and powertrain applications requiring extended thermal robustness.
Functional Safety	ISO 26262 ASIL-D compliant with integrated FCCU, SWT, CRC, EDC, MBIST/LBIST, and centralized error detection and reporting.
Security Engine	HSE_B hardware security module supporting AES-256, RSA-4096, ECC-521, side-channel protection, and upgradable firmware for Evita Full compliance.

Pinout & Package

Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch) with exposed pad (EP) for enhanced thermal dissipation in high-power automotive environments.

Pin/Terminal	Circuit Role	Design Meaning
VDDA	Analog Power Supply	3.3 V ±5% dedicated analog rail for ADC, comparators, and reference circuits; requires local decoupling near package.
VSSA	Analog Ground	Isolated analog ground plane; must be connected to main system ground only at single point to minimize noise coupling.
RTC_XTAL_IN / RTC_XTAL_OUT	32 kHz Crystal Interface	Connects to external 32 kHz crystal for autonomous RTC operation during STANDBY mode with sub-second accuracy.
ENET_RXD0–3 / ENET_TXD0–3	Ethernet PHY Interface	Dedicated 100/1000 Mbps AVB/TSN data lanes; requires impedance-controlled PCB routing and common-mode chokes.
FLEXCANx_TX / FLEXCANx_RX	CAN FD Transceiver Interface	Eight differential CAN FD channels supporting up to 5 Mbps; each pair requires external transceiver and termination.
QSPI_DQS / QSPI_D0–7	QuadSPI Data Bus	8-bit wide high-speed interface supporting up to 2 Gbps; enables external flash/RAM expansion with DDR timing and DQS strobe alignment.

Key Features

Feature	Design Value
ASIL-D Lockstep Core	Dual Cortex-M7 cores executing identical instructions with cycle-synchronized comparison, enabling immediate fault detection and fail-safe shutdown.
uSDHC Controller	Supports SD/eMMC interfaces up to UHS-I SDR104, enabling secure boot from removable media and field-upgradeable storage in telematics gateways.
FlexIO Module	Configurable serial peripheral emulator supporting UART, I²C, SPI, I²S, SENT, and PWM protocols-reducing BOM cost by eliminating discrete interface ICs.
BCTU Cross-Triggering	Hardware-triggered synchronization between ADC conversions and eMIOS timer events, eliminating software latency in motor current sampling and PWM generation.
XRDC Memory Protection	Extended cross-domain domain controller enforcing master-specific access rights to memory regions and peripherals, preventing unauthorized code/data access in multi-context systems.

Applications

Electric Power Steering (EPS)	Brake-by-Wire Control Unit
Use Scenario: Real-time torque assist calculation and motor phase current control under dynamic load conditions with functional safety monitoring. IC Role / Device Role / Timing Role: Primary ASIL-D controller executing safety-managed motor control algorithms, ADC sampling, and CAN FD communication with steering angle sensor and EPS motor. Use Value: Integrated BCTU and eMIOS timers enable sub-microsecond synchronized ADC capture and PWM update, ensuring precise current loop response within 10 µs jitter budget.	Use Scenario: Redundant actuation control of electro-hydraulic brake valves with dual-channel pressure feedback and fail-operational behavior. IC Role / Device Role / Timing Role: Dual-lockstep S32K348GHT1VPCSR serves as primary safety controller, managing valve driver ICs, pressure sensors, and LIN/CAN FD diagnostics. Use Value: Hardware-enforced lockstep execution and FCCU-monitored clock/voltage domains guarantee <100 ms safe state transition upon detected fault per ISO 26262 requirements.
Vehicle Domain Controller (VDC)	Advanced Battery Management System (BMS)
Use Scenario: Centralized aggregation of CAN FD, Ethernet TSN, and LIN traffic across chassis, powertrain, and ADAS domains with time-synchronized messaging. IC Role / Device Role / Timing Role: High-bandwidth gateway and real-time scheduler coordinating inter-domain communication, OTA orchestration, and security policy enforcement. Use Value: 1 Gbps Ethernet AVB/TSN with hardware timestamping and 8 FlexCAN FD channels enable deterministic, low-latency (<50 µs) message forwarding across safety-critical domains.	Use Scenario: Cell voltage, temperature, and isolation monitoring for >100-series lithium-ion packs with active balancing control and ISO 26262-compliant fault handling. IC Role / Device Role / Timing Role: Safety-certified host processor interfacing with analog front-end (AFE) ICs via SPI, managing balancing FET drivers, and communicating via CAN FD to vehicle ECU. Use Value: Three independent 24-channel 12-bit ADCs with simultaneous sampling and ECC-protected SRAM ensure accurate, fault-tolerant cell measurement at 10 kSPS aggregate rate.

Electric Power Steering (EPS)

Brake-by-Wire Control Unit

Use Scenario: Real-time torque assist calculation and motor phase current control under dynamic load conditions with functional safety monitoring.

IC Role / Device Role / Timing Role: Primary ASIL-D controller executing safety-managed motor control algorithms, ADC sampling, and CAN FD communication with steering angle sensor and EPS motor.

Use Value: Integrated BCTU and eMIOS timers enable sub-microsecond synchronized ADC capture and PWM update, ensuring precise current loop response within 10 µs jitter budget.

Use Scenario: Redundant actuation control of electro-hydraulic brake valves with dual-channel pressure feedback and fail-operational behavior.

IC Role / Device Role / Timing Role: Dual-lockstep S32K348GHT1VPCSR serves as primary safety controller, managing valve driver ICs, pressure sensors, and LIN/CAN FD diagnostics.

Use Value: Hardware-enforced lockstep execution and FCCU-monitored clock/voltage domains guarantee <100 ms safe state transition upon detected fault per ISO 26262 requirements.

Vehicle Domain Controller (VDC)

Advanced Battery Management System (BMS)

Use Scenario: Centralized aggregation of CAN FD, Ethernet TSN, and LIN traffic across chassis, powertrain, and ADAS domains with time-synchronized messaging.

IC Role / Device Role / Timing Role: High-bandwidth gateway and real-time scheduler coordinating inter-domain communication, OTA orchestration, and security policy enforcement.

Use Value: 1 Gbps Ethernet AVB/TSN with hardware timestamping and 8 FlexCAN FD channels enable deterministic, low-latency (<50 µs) message forwarding across safety-critical domains.

Use Scenario: Cell voltage, temperature, and isolation monitoring for >100-series lithium-ion packs with active balancing control and ISO 26262-compliant fault handling.

IC Role / Device Role / Timing Role: Safety-certified host processor interfacing with analog front-end (AFE) ICs via SPI, managing balancing FET drivers, and communicating via CAN FD to vehicle ECU.

Use Value: Three independent 24-channel 12-bit ADCs with simultaneous sampling and ECC-protected SRAM ensure accurate, fault-tolerant cell measurement at 10 kSPS aggregate rate.

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
S32K344GHT1VPCSR	4 MB flash, 512 KB RAM, single lockstep M7 core at 160 MHz; no uSDHC or 1 Gbps Ethernet.	Targeted at mid-tier ADAS domain controllers or gateway ECUs with lower memory and bandwidth needs.	Select when ASIL-D certification and lockstep are required but 8 MB flash, 1 Gbps Ethernet, or uSDHC are unnecessary.
TC397XP-160F300FABK	TriCore-based, 300 MHz, 8 MB flash, 6 MB RAM; supports ASIL-D but lacks native CAN FD and Ethernet TSN hardware offload.	Used in powertrain ECUs where TriCore instruction set and legacy AUTOSAR toolchain compatibility are prioritized.	Choose for existing TriCore-based development ecosystems requiring migration path, not for new Arm-native designs.

Compared with S32K344GHT1VPCSR and TC397XP-160F300FABK, the S32K348GHT1VPCSR delivers higher memory bandwidth (2 Gbps QuadSPI), integrated 1 Gbps Ethernet TSN, and uSDHC-making it uniquely suited for next-generation vehicle domain controllers requiring scalable OTA, secure boot, and deterministic networking.

Availability

S32K348GHT1VPCSR is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, vehicle domain controllers, and advanced battery management systems requiring stable component supply across long automotive production lifecycles.

Supply support for S32K348GHT1VPCSR 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 family-including S32K348GHT1VPCSR-is designed specifically for ASIL-D automotive control applications, emphasizing functional safety, hardware security, real-time determinism, and seamless integration into ISO 26262-compliant development workflows.

FAQ

What is the maximum operating frequency of the S32K348GHT1VPCSR?

The S32K348GHT1VPCSR features dual Arm Cortex-M7 cores operating at 240 MHz each in lockstep configuration. This frequency is sustained across the full -40 °C to +125 °C ambient temperature range and 2.97–5.5 V supply voltage, with hardware-enforced clock monitoring via the FCCU to ensure timing integrity under fault conditions.

Does the S32K348GHT1VPCSR support CAN FD, and how many channels are available?

Yes, the S32K348GHT1VPCSR integrates eight FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps. All channels include built-in message filtering, FIFO buffering, and error counters, and are accessible via dedicated pins in the MAPBGA437 package-enabling concurrent communication with multiple vehicle subsystems.

What safety certifications does the S32K348GHT1VPCSR hold?

The S32K348GHT1VPCSR is certified to ISO 26262 ASIL-D at the device level, with integrated safety mechanisms including lockstep core checking, FCCU-managed fault collection, ECC on all memories, EDC on data paths, dual SWT timers, and hardware CRC acceleration. Certification evidence is documented in NXP's FMEDA report and safety manual for S32K3xx Rev. 14.

How does the S32K348GHT1VPCSR handle over-the-air (OTA) firmware updates?

The S32K348GHT1VPCSR supports secure OTA updates via its RWW (Read-While-Write) flash architecture and A/B swap capability. The HSE_B security engine authenticates signed firmware images, while the bootloader executes atomic partition switching-ensuring no interruption to real-time control tasks during update, even in ASIL-D contexts.

What package type and thermal characteristics apply to the S32K348GHT1VPCSR?

The S32K348GHT1VPCSR is offered exclusively in the MAPBGA437 package (17 mm × 17 mm, 0.8 mm pitch) with exposed pad (EP) for direct thermal connection to the PCB ground plane. Its θ_JA is 22.5 °C/W and θ_JC is 2.8 °C/W, enabling reliable operation at 125 °C junction temperature with standard 4-layer board layout and 2 oz copper.

S32K348GHT1VPCSR Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Package/Case:: 172-QFP Exposed Pad

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:: 142

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:

S32K348GHT1VPCSR FAQ

1.How can I place an order for S32K348GHT1VPCSR through Aetrix?

Please submit a Request for Quotation (RFQ) for S32K348GHT1VPCSR 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 S32K348GHT1VPCSR reliable?

The price and inventory of S32K348GHT1VPCSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K348GHT1VPCSR is usually 5 days.

3.What payment methods are accepted for S32K348GHT1VPCSR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K348GHT1VPCSR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S32K348GHT1VPCSR?

S32K348GHT1VPCSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S32K348GHT1VPCSR 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 S32K348GHT1VPCSR?

For technical support, including S32K348GHT1VPCSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K348GHT1VPCSR requirements.

6.How does Aetrix verify that S32K348GHT1VPCSR is sourced from the original manufacturer or authorized distributors?

All S32K348GHT1VPCSR 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 S32K348GHT1VPCSR meets industry standards.

7.What is the process for return or replacement of S32K348GHT1VPCSR?

All S32K348GHT1VPCSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K348GHT1VPCSR, 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 S32K348GHT1VPCSR part is unused and in its original packaging.

Return procedure for S32K348GHT1VPCSR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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