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NXP Semiconductors S32K341EHT0MPAST
- Part No.:
- S32K341EHT0MPAST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-QFP
- Datasheet:
-
S32K341EHT0MPAST.pdf
- Description:
- S32K341, 1MB FLASH, LOCKSTEP COR
- Quantity:
- Payment:
- Shipping:
Inventory:365
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Product details
Overview
S32K341EHT0MPAST from NXP Semiconductors is an ASIL-D certified automotive MCU featuring a dual-core Arm Cortex-M7 lockstep CPU running at 160 MHz, 1 MB program flash with ECC, 256 KB SRAM with ECC (including 192 KB TCM), and integrated QuadSPI interface supporting up to 480 Mbps. It operates from 2.97 V to 5.5 V across -40 °C to 125 °C and targets safety-critical body control modules requiring deterministic real-time response.
For engineers reviewing the S32K341EHT0MPAST datasheet, S32K341EHT0MPAST pinout, S32K341EHT0MPAST application, or S32K341EHT0MPAST equivalent, key selection criteria include ASIL-D compliance, lockstep core architecture, Ethernet (100 Mbps AVB/TSN) support, FlexCAN with CAN FD, and hardware security engine (HSE-B) integration for secure boot and cryptographic acceleration.
Technical Context
The S32K341EHT0MPAST implements a dual-core Arm Cortex-M7 lockstep configuration with zero-wait-state I/D-TCM, enabling deterministic execution for ISO 26262 ASIL-D applications. Its memory subsystem includes ECC-protected 1 MB flash and 256 KB SRAM (192 KB TCM), while the XBAR 64-bit crossbar fabric ensures low-latency peripheral access.
Timing and safety are enforced via centralized functional safety modules: FCCU, CMU, SWT, STCU2, and XRDC for domain-based access control. The device integrates BCTU for ADC/timer cross-triggering, LCU for combinational logic offload, and TRGMUX for flexible event routing-critical for automotive sensor fusion and actuator control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual Arm Cortex-M7 in lockstep, 160 MHz - enables ASIL-D compliance via hardware redundancy and fault detection. |
| Flash Memory | 1 MB program flash with ECC - supports RWW (read-while-write) and A/B swap for robust OTA updates. |
| SRAM | 256 KB total SRAM with ECC, including 192 KB TCM - guarantees low-latency, deterministic access for real-time control code. |
| Operating Voltage | 2.97 V to 5.5 V - compatible with automotive battery rail (cold crank, load dump) without external regulators. |
| Temperature Range | -40 °C to +125 °C - qualified for under-hood and powertrain-adjacent placement per AEC-Q100 Grade 1. |
| Communication | 4× FlexCAN (CAN FD), 1× 100 Mbps Ethernet (AVB/TSN), 4× LPUART, 4× LPSPI, 2× LPI2C - meets modern vehicle domain controller I/O requirements. |
| Security | HSE-B hardware security engine - accelerates AES-256, RSA-4096, ECC-521; includes firmware upgradability and side-channel protection. |
| Safety | ASIL-D compliant per ISO 26262 - supported by FCCU, CMU, SWT, STCU2, ECC/EDC/CRC, and XRDC-based memory protection. |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch) with exposed pad (EP) for thermal management and EMI reduction in automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog Power / Ground | Isolated analog supply pins for ADC, CMP, and TempSense - reduce digital noise coupling into precision analog circuits. |
| ENET0_RXD0–3 / TXD0–3 | Ethernet Data I/O | Dedicated RMII/MII pins for 100 Mbps AVB/TSN Ethernet - enable time-synchronized communication for ADAS and gateway applications. |
| CAN0_TX / CAN0_RX | FlexCAN Differential I/O | High-speed differential pair supporting CAN FD up to 5 Mbps - used for high-bandwidth ECUs like battery management or chassis control. |
| QSPI0_SCLK / QS0_IO0–3 | QuadSPI Clock & Data | 4-bit data bus with 480 Mbps throughput - enables fast external flash/RAM expansion for logging, OTA staging, or firmware overlays. |
| TRGMUX_IN0–7 | Trigger MUX Input | Configurable event inputs for cross-triggering ADC conversions, eMIOS timers, or DMA requests - essential for synchronized sensor sampling. |
| SAI0_TX_BCLK / SAI0_RX_BCLK | Synchronous Audio Interface Clock | Independent bit clock generation for audio streaming - supports infotainment head unit integration or voice interface subsystems. |
Key Features
| Feature | Design Value |
|---|---|
| Lockstep Dual Cortex-M7 Core | Hardware-redundant execution with continuous comparison and fault reporting - satisfies ASIL-D diagnostic coverage requirements without software overhead. |
| QuadSPI Interface (480 Mbps) | Offloads external memory access from main bus, enabling concurrent code execution and data streaming - critical for logging and firmware update staging. |
| BCTU (Body Control Trigger Unit) | Hardware-based synchronization of ADC sampling and eMIOS timer events - eliminates CPU intervention for precise sensor-to-actuator timing in lighting or HVAC control. |
| HSE-B Cryptographic Engine | Accelerates AES-256 encryption/decryption and RSA-4096 signing - enables secure boot, firmware authentication, and encrypted CAN FD message payloads. |
| XBAR 64-bit Crossbar Fabric | Non-blocking interconnect with priority arbitration - guarantees bounded latency for safety-critical peripherals (e.g., FCCU, SWT, ADC) regardless of bus contention. |
| TCM RAM (192 KB) | Tightly coupled memory with zero-wait-state access - hosts real-time control algorithms (e.g., motor FOC, PID loops) with guaranteed worst-case execution time. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and seat position in modern vehicles. IC Role / Device Role / Timing Role: Primary ASIL-D safety controller managing fail-safe outputs, diagnostics, and LIN/CAN gateway functions. Use Value: Lockstep M7 cores ensure fault detection within <10 µs; HSE-B secures over-the-air updates; QuadSPI enables rapid parameter calibration storage. |
Use Scenario: Real-time torque assist calculation and motor phase control in steer-by-wire systems. IC Role / Device Role / Timing Role: Deterministic real-time processor executing FOC algorithms with sub-1 µs interrupt latency via TCM and eMIOS PWM timers. Use Value: 192 KB TCM RAM guarantees zero-wait execution; BCTU synchronizes current sensing ADC with PWM dead-time insertion; ASIL-D compliance meets steering system requirements. |
| Vehicle Gateway | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
|
Use Scenario: Protocol translation and firewall between CAN FD, LIN, Ethernet (TSN), and FlexIO-emulated interfaces in zonal architectures. IC Role / Device Role / Timing Role: High-throughput network bridge with hardware-accelerated packet filtering and secure boot enforcement. Use Value: 100 Mbps Ethernet AVB/TSN + 4× FlexCAN FD handles multi-gigabit sensor data aggregation; HSE-B validates firmware integrity before execution. |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data prior to AI inference on host SoC. IC Role / Device Role / Timing Role: Time-synchronized sensor fusion node using BCTU-triggered ADC sampling and eMIOS timestamping. Use Value: 3× 12-bit ADCs with 24-channel input per module capture multi-sensor analog signals; TRGMUX routes triggers across domains; ECC-protected SRAM ensures data integrity during preprocessing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K342EHT0MPAST | 2 MB flash, same lockstep M7 @ 160 MHz, identical package and pinout - higher memory for complex middleware stacks. | Preferred for gateways requiring larger OTA staging partitions or extended diagnostic log buffers. | Select when >1 MB flash is required; pin-compatible drop-in upgrade with no PCB change. |
| S32K344EHT0MPAST | 4 MB flash, same lockstep M7 @ 160 MHz, identical package and pinout - adds QuadSPI with 4-bit width and enhanced security features. | Suitable for next-gen zonal controllers needing expanded secure firmware storage and external memory expansion. | Choose for future-proofing with larger memory footprint and full HSE-B feature set; same footprint and layout. |
Compared with S32K341EHT0MPAST, S32K342EHT0MPAST offers +1 MB flash for larger OTA images and diagnostics, while S32K344EHT0MPAST adds +3 MB flash and full QuadSPI bandwidth - both retain identical ASIL-D lockstep architecture, safety modules, and mechanical compatibility for scalable platform design.
Availability
S32K341EHT0MPAST is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering systems, vehicle gateways, and ADAS sensor hubs requiring stable component supply, long-term lifecycle support, and ASIL-D certification.
Supply support for S32K341EHT0MPAST 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 focused on automotive, industrial, IoT, and communication infrastructure solutions, with deep expertise in functional safety and secure processing.
The S32K3xx series is designed specifically for automotive ASIL-B and ASIL-D applications - emphasizing lockstep processing, hardware safety mechanisms, and integrated security engines for next-generation E/E architectures.
FAQ
What is the maximum operating frequency of the S32K341EHT0MPAST?
The S32K341EHT0MPAST features a dual-core Arm Cortex-M7 processor operating at up to 160 MHz in lockstep configuration. This frequency is sustained across the full -40 °C to +125 °C ambient temperature range and 2.97 V to 5.5 V supply voltage, with performance validated under ASIL-D safety constraints. The S32K341EHT0MPAST achieves deterministic timing through zero-wait-state TCM and hardware-enforced core synchronization.
Does the S32K341EHT0MPAST support CAN FD?
Yes, the S32K341EHT0MPAST integrates four FlexCAN modules, each supporting CAN FD protocol with data rates up to 5 Mbps. These controllers include built-in message filtering, FIFO buffering, and error confinement - essential for high-bandwidth automotive networks such as battery management and chassis control. The S32K341EHT0MPAST implements CAN FD in hardware without CPU intervention, preserving real-time determinism.
What safety certifications does the S32K341EHT0MPAST hold?
The S32K341EHT0MPAST is certified to ISO 26262 ASIL-D at the hardware level, with full support for FMEDA, safety manual, and diagnostic coverage reports. It includes integrated safety mechanisms: FCCU for fault collection, CMU for clock monitoring, SWT for watchdog supervision, STCU2 for system timing checks, and XRDC for memory domain protection. The S32K341EHT0MPAST delivers end-to-end safety compliance without requiring external safety monitors.
Is the S32K341EHT0MPAST pin-compatible with other S32K3xx devices?
Yes, the S32K341EHT0MPAST in MAPBGA437 package shares identical pinout with S32K342EHT0MPAST and S32K344EHT0MPAST - enabling direct PCB-level scalability across 1 MB, 2 MB, and 4 MB flash variants. Pin compatibility extends to power, ground, JTAG/SWD, FlexCAN, LPUART, and QuadSPI signals, allowing hardware reuse while upgrading memory or features. The S32K341EHT0MPAST maintains this alignment without requiring layout changes.
What debug interfaces does the S32K341EHT0MPAST support?
The S32K341EHT0MPAST supports Serial Wire Debug (SWD) via a 2-pin interface, plus full CoreSight trace capabilities including SWO, ITM, DWT, HTM, and ETB. It provides hardware watchpoints, instruction/data trace, PC sampling, and Embedded Cross Trigger (ECT) for multicore synchronization. These features enable deep visibility into ASIL-D runtime behavior - critical for validating the S32K341EHT0MPAST in safety-critical development and certification workflows.
S32K341EHT0MPAST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-QFP
- Series:
- S32K3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit
- Speed:
- 160MHz
- Connectivity:
- CANbus, FlexIO, I2C, I3C, LINbus, SAI, SENT, SPI, UART/USART
- Peripherals:
- DMA, I2S, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128K x 8
- RAM Size:
- 256K 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:
S32K341EHT0MPAST FAQ
1.How can I place an order for S32K341EHT0MPAST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K341EHT0MPAST 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 S32K341EHT0MPAST reliable?
The price and inventory of S32K341EHT0MPAST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K341EHT0MPAST is usually 5 days.
3.What payment methods are accepted for S32K341EHT0MPAST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K341EHT0MPAST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K341EHT0MPAST?
S32K341EHT0MPAST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K341EHT0MPAST 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 S32K341EHT0MPAST?
For technical support, including S32K341EHT0MPAST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K341EHT0MPAST requirements.
6.How does Aetrix verify that S32K341EHT0MPAST is sourced from the original manufacturer or authorized distributors?
All S32K341EHT0MPAST 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 S32K341EHT0MPAST meets industry standards.
7.What is the process for return or replacement of S32K341EHT0MPAST?
All S32K341EHT0MPAST units undergo pre-shipment inspection (PSI). If there is an issue with S32K341EHT0MPAST, 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 S32K341EHT0MPAST part is unused and in its original packaging.
Return procedure for S32K341EHT0MPAST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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