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NXP Semiconductors S32K348GHT1MPCST
- Part No.:
- S32K348GHT1MPCST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP Exposed Pad
- Datasheet:
-
S32K348GHT1MPCST.pdf
- Description:
- S32K348GHT1MPCST
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S32K348GHT1MPCST 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 8 FlexCAN modules with CAN FD support, 1 Gbps Ethernet with AVB/TSN, and QuadSPI interface up to 2 Gbps for body control unit and gateway applications.
For engineers reviewing the S32K348GHT1MPCST datasheet, S32K348GHT1MPCST pinout, S32K348GHT1MPCST application, or S32K348GHT1MPCST equivalent, key selection criteria include ASIL-D functional safety compliance, lockstep core architecture, 240 MHz CPU frequency, integrated HSE-B security engine, and MAPBGA437 package compatibility with automotive ECU thermal and layout constraints.
Technical Context
The S32K348GHT1MPCST implements a dual-core lockstep Arm Cortex-M7 platform running at 240 MHz per core, with separate I/D caches, FPU, and DSP extensions. Its memory subsystem includes 8 MB flash with ECC, 1152 KB SRAM (192 KB TCM), and QuadSPI supporting 8-bit data width at up to 2 Gbps for external memory expansion.
Functional safety is enforced via hardware redundancy, centralized error detection (FCCU, CMU), MBIST/LBIST, voltage/clock monitors, and ASIL-D-compliant safety mechanisms. Security relies on HSE-B with AES-256/RSA-4096/ECC-521 acceleration, firmware upgradability, and side-channel protection aligned with EVITA Full requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual Arm Cortex-M7 cores in lockstep, 240 MHz each - enables ASIL-D fault detection via real-time comparison and recovery. |
| Flash Memory | 8 MB program flash with ECC - ensures bit-error resilience in automotive environments over 10+ year lifetimes. |
| SRAM | 1152 KB SRAM with ECC, including 192 KB TCM - provides deterministic low-latency access for real-time control loops. |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to 3.3 V and 5 V automotive power domains without level-shifting. |
| Temperature Range | -40 °C to 125 °C - qualified for under-hood and transmission control module deployment. |
| Communication | 8 FlexCAN (CAN FD), 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 - enables secure boot, OTA updates, and cryptographic key management. |
Pinout & Package
Package: MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed pad for thermal dissipation in high-power automotive ECUs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog Power Supply | 3.3 V supply for ADC, comparators, and analog peripherals - requires dedicated filtering for <10 mV ripple. |
| VDD | Digital Core Power | 1.2 V core supply - routed with low-inductance paths and local decoupling for stable 240 MHz operation. |
| RESET_B | Active-Low Reset Input | Asynchronous reset signal compatible with automotive watchdogs and power sequencers. |
| JTAG_TCK / JTAG_TMS / JTAG_TDI / JTAG_TDO | Debug Interface | 2-pin SWD-compatible debug port - enables production programming and runtime trace without full JTAG pin count. |
| ENET_RXD0–3 / ENET_TXD0–3 / ENET_REF_CLK | Ethernet PHY Interface | GMII-compatible 1 Gbps Ethernet signals - require controlled impedance routing (50 Ω single-ended, 100 Ω differential). |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-D Lockstep Architecture | Hardware-enforced dual-core comparison with automatic fault containment - eliminates need for software-based safety checks in critical paths. |
| QuadSPI Interface (2 Gbps) | 8-bit parallel data bus supporting XIP and A/B swap - enables seamless OTA firmware updates without application interruption. |
| HSE-B Cryptographic Engine | Dedicated hardware acceleration for AES-256, RSA-4096, ECC-521 - reduces secure boot time by >90% vs. software-only implementation. |
| XRDC Memory Protection | Extended cross-domain domain controller enforcing master-specific access rights - prevents unauthorized peripheral or memory access across safety domains. |
| TCM RAM (192 KB) | Tightly coupled memory with zero-wait-state access - guarantees deterministic execution of motor control and safety-critical ISRs. |
Applications
| Body Control Module (BCM) | Vehicle Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in 12 V/48 V hybrid architectures. IC Role / Device Role / Timing Role: Primary ASIL-D host controller managing CAN FD, LIN, and PWM outputs with real-time response <100 µs. Use Value: Integrated eMIOS timers (72 channels), BCTU cross-triggering, and 320 GPIO enable consolidated I/O without external CPLDs. |
Use Scenario: High-bandwidth bridging between CAN FD, Ethernet TSN, and LIN domains in zonal E/E architectures. IC Role / Device Role / Timing Role: Safety-certified network router with time-synchronized packet forwarding and firewall policy enforcement. Use Value: Dual-lockstep M7 cores execute safety monitor and routing stack concurrently; 1 Gbps Ethernet + 8 CAN FD channels eliminate external bridge ICs. |
| Electric Power Steering (EPS) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Real-time torque assist calculation and motor phase control under ASIL-D requirements. IC Role / Device Role / Timing Role: Deterministic control processor with 240 MHz lockstep cores, TCM RAM, and PWM timer precision <1 ns jitter. Use Value: On-chip eMIOS PWM generators and ADC trigger synchronization (BCTU) reduce sensor-to-actuator latency to <5 µs. |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before transmission to central ADAS domain controller. IC Role / Device Role / Timing Role: Secure sensor fusion node with encrypted data ingestion, timestamp alignment, and integrity-checked output. Use Value: HSE-B accelerates sensor signature verification; QuadSPI interfaces external LPDDR4 for frame buffering; SAI modules handle audio alerts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344GHT1MPCST | 4 MB flash, 512 KB RAM, single-lockstep M7 at 160 MHz - lower memory and performance headroom. | Suitable for mid-tier gateways or BCMs with reduced CAN FD channel count (4 vs. 8) and no Ethernet. | Select when cost sensitivity outweighs future scalability needs and ASIL-D workload fits within 4 MB code space. |
| S32K358GHT1MPCST | 8 MB flash, 1152 KB RAM, triple independent M7 cores at 240 MHz - adds non-lockstep real-time processing capability. | Targeted at high-end ADAS sensor hubs requiring concurrent safety monitoring and AI inference offload. | Choose when application demands asymmetric processing: one core for ASIL-D monitoring, two for deterministic control + ML preprocessing. |
Compared with S32K344GHT1MPCST, the S32K348GHT1MPCST delivers 100% more flash and 125% more SRAM while adding 1 Gbps Ethernet and doubling FlexCAN channels - making it optimal for scalable, future-proof gateway designs. Against S32K358GHT1MPCST, it trades independent third-core flexibility for stricter ASIL-D lockstep assurance in safety-critical control layers.
Availability
S32K348GHT1MPCST is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, electric power steering systems, and ADAS sensor hubs requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for S32K348GHT1MPCST 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 reliability.
The S32K3xx family is designed specifically for next-generation automotive electronic control units requiring ASIL-D compliance, hardware-accelerated security, and scalable multicore performance - targeting domain controllers, gateways, and safety-critical chassis systems.
FAQ
What is the safety certification level of the S32K348GHT1MPCST?
The S32K348GHT1MPCST is certified to ASIL-D per ISO 26262, achieved through dual Arm Cortex-M7 cores operating in lockstep, hardware redundancy (FCCU, CMU), built-in self-test (MBIST/LBIST), and centralized error detection. This certification applies to the silicon, safety manual, and diagnostic software libraries provided by NXP - all validated for use in safety-critical automotive functions such as brake-by-wire and steering control where S32K348GHT1MPCST serves as the primary safety controller.
Does the S32K348GHT1MPCST support CAN FD, and how many channels are available?
Yes, the S32K348GHT1MPCST integrates eight fully independent FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps and protocol extensions including flexible data length and improved error confinement. All eight channels are accessible in the MAPBGA437 package and can operate simultaneously - enabling high-throughput communication across multiple vehicle domains without external CAN transceivers or protocol converters.
What package type and thermal characteristics does the S32K348GHT1MPCST use?
The S32K348GHT1MPCST is offered exclusively in the MAPBGA437 package (17 mm × 17 mm, 0.8 mm pitch) with an exposed thermal pad. Its thermal resistance (θJA) is 22.5 °C/W under standard JEDEC conditions, and it supports junction temperatures from -40 °C to 150 °C - validated for continuous operation at 125 °C ambient in automotive under-hood applications with appropriate PCB copper pour and airflow.
How does the S32K348GHT1MPCST implement secure boot and firmware updates?
The S32K348GHT1MPCST uses its integrated HSE-B hardware security engine to perform cryptographic verification of boot images using ECDSA signatures and AES-256 decryption. Secure firmware updates leverage QuadSPI's A/B swap capability and RWW (Read-While-Write) flash architecture - allowing background download and atomic activation without system reset or service interruption, with all keys and certificates stored in tamper-resistant HSE-B memory.
Is the S32K348GHT1MPCST pin-compatible with other S32K3xx devices?
No, the S32K348GHT1MPCST is not pin-compatible with lower-pin-count S32K3xx variants (e.g., LQFP48 or HDQFP100). However, it shares identical pin mapping and signal definitions with other MAPBGA437-packaged S32K3xx devices including S32K344 and S32K358 - enabling PCB reuse across the 437-ball footprint family when migrating between performance tiers or safety configurations.
S32K348GHT1MPCST 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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K348GHT1MPCST FAQ
1.How can I place an order for S32K348GHT1MPCST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K348GHT1MPCST 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 S32K348GHT1MPCST reliable?
The price and inventory of S32K348GHT1MPCST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K348GHT1MPCST is usually 5 days.
3.What payment methods are accepted for S32K348GHT1MPCST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K348GHT1MPCST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K348GHT1MPCST?
S32K348GHT1MPCST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K348GHT1MPCST 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 S32K348GHT1MPCST?
For technical support, including S32K348GHT1MPCST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K348GHT1MPCST requirements.
6.How does Aetrix verify that S32K348GHT1MPCST is sourced from the original manufacturer or authorized distributors?
All S32K348GHT1MPCST 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 S32K348GHT1MPCST meets industry standards.
7.What is the process for return or replacement of S32K348GHT1MPCST?
All S32K348GHT1MPCST units undergo pre-shipment inspection (PSI). If there is an issue with S32K348GHT1MPCST, 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 S32K348GHT1MPCST part is unused and in its original packaging.
Return procedure for S32K348GHT1MPCST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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