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NXP Semiconductors S32K341NHT0MPASR
- Part No.:
- S32K341NHT0MPASR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-QFP
- Datasheet:
-
S32K341NHT0MPASR.pdf
- Description:
- S32K341, 1MB FLASH, 256KB RAM, A
- Quantity:
- Payment:
- Shipping:
Inventory:3,996
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Product details
Overview
S32K341NHT0MPASR from NXP Semiconductors is an ASIL-D qualified, lockstep dual-core Arm Cortex-M7 microcontroller designed for automotive safety-critical control units. It operates from 2.97 V to 5.5 V, supports -40 °C to 125 °C ambient operation, integrates 1 MB program flash with ECC, 256 KB SRAM (including 192 KB TCM), and delivers real-time deterministic performance for body control modules and chassis domain controllers.
For engineers reviewing the S32K341NHT0MPASR datasheet, S32K341NHT0MPASR pinout, S32K341NHT0MPASR application, or S32K341NHT0MPASR equivalent, key selection criteria include ASIL-D compliance, lockstep core architecture, QuadSPI interface support, Ethernet AVB/TSN capability, and FlexCAN modules with CAN FD.
Technical Context
The S32K341NHT0MPASR implements two tightly coupled Arm Cortex-M7 cores in lockstep configuration, each running at up to 160 MHz with integrated FPU, DSP, I-cache, and D-cache. Its safety architecture includes hardware redundancy, centralized error detection, FCCU, CMU, and STCU2 modules aligned to ISO 26262 ASIL-D requirements.
It features a 64-bit crossbar switch fabric, dedicated BCTU for ADC/timer cross-triggering, XRDC-based memory protection, and HSE-B security engine supporting AES-256 acceleration. The device supports RWW flash, A/B swap for OTA updates, and includes SWD/JTAG debug with CoreSight trace capabilities.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Arm Cortex-M7 dual-core lockstep, 160 MHz max - enables fault-detection via instruction-level comparison and safe execution for ASIL-D systems. |
| Flash Memory | 1 MB program flash with ECC - ensures data integrity and supports RWW and A/B swap for robust firmware updates. |
| SRAM | 256 KB total SRAM with ECC, including 192 KB TCM - provides low-latency, high-reliability memory for time-critical control loops. |
| Operating Voltage | 2.97 V to 5.5 V - compatible with automotive 3.3 V and 5 V supply domains without level-shifting. |
| Temperature Range | -40 °C to 125 °C - certified for under-hood and powertrain-adjacent applications across all power modes. |
| Communication Interfaces | 4 × FlexCAN (CAN FD), 4 × LPUART, 4 × LPSPI, 2 × LPI2C, 1 × Ethernet (100 Mbps AVB/TSN), 2 × SAI - meets domain controller connectivity demands. |
| Security & Safety | HSE-B with AES-256, XRDC access control, EDC/ECC on memories, SWT watchdogs, CRC module - fulfills Evita Full and ISO 26262 ASIL-D functional safety requirements. |
Pinout & Package
S32K341NHT0MPASR is packaged in a MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed pad, optimized for thermal dissipation in automotive ECUs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power / ground | Separate analog supply domain for ADC/CMP reference stability and noise immunity. |
| FXOSC_IN / FXOSC_OUT | External crystal oscillator input/output | Supports 8–40 MHz crystal for precise clock source; required for CAN FD timing accuracy and Ethernet synchronization. |
| ENET_RXD0–3 / ENET_TXD0–3 | Ethernet physical layer data lines | Direct RMII/MII interface pins enabling 100 Mbps AVB/TSN communication without external PHY bridging. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential signal pair | High-speed CAN FD transceiver interface compliant with ISO 11898-2, supporting bit rates up to 5 Mbps. |
| JTAG_TCK / JTAG_TMS / JTAG_TDI / JTAG_TDO | Serial Wire JTAG debug port | 2-pin SWD-compatible interface for production programming, boundary scan, and real-time trace via SWO/ITM. |
Key Features
| Feature | Design Value |
|---|---|
| Lockstep dual Cortex-M7 cores | Hardware-level instruction comparison and fault containment for ASIL-D compliance without software overhead. |
| QuadSPI interface (up to 480 Mbps) | Enables seamless expansion of code/data space using external flash or RAM, supporting A/B firmware partitioning. |
| BCTU (Body Control Trigger Unit) | Hardware-synchronized triggering between ADC conversions and eMIOS timer events-eliminates CPU polling latency in sensor-to-actuator paths. |
| XRDC memory protection | Configurable master access rights per memory region-prevents unauthorized peripheral or core access to safety-critical memory zones. |
| TCM RAM (192 KB) | Dedicated zero-wait-state memory for interrupt handlers and control algorithms-ensures deterministic response within ≤1 µs. |
Applications
| Body Control Module (BCM) | Chassis Domain Controller |
|---|---|
|
Use Scenario: Centralized management of lighting, door locks, window lifts, and seat controls in modern vehicle architectures. IC Role / Device Role / Timing Role: Primary ASIL-D safety controller coordinating distributed actuators via CAN FD and LIN, with real-time PWM generation for LED drivers. Use Value: Lockstep core and ECC memory ensure fail-operational behavior during transient faults; QuadSPI enables secure OTA updates of lighting profiles and diagnostics. |
Use Scenario: Integration point for brake-by-wire, steering assist, and suspension control subsystems requiring synchronized sensor fusion and actuation. IC Role / Device Role / Timing Role: Safety-certified compute node executing ISO 26262-compliant control laws, interfacing with torque sensors, wheel speed encoders, and motor drivers. Use Value: BCTU-triggered ADC sampling and eMIOS PWM output guarantee sub-microsecond jitter for closed-loop stability; Ethernet TSN enables time-synchronized multi-node coordination. |
| Power Distribution Unit (PDU) | Gateway ECU (Safety-Critical Path) |
|
Use Scenario: Intelligent 12 V/48 V power routing with load monitoring, short-circuit protection, and predictive fuse management. IC Role / Device Role / Timing Role: Real-time current/voltage monitoring via dual 12-bit ADCs, coordinated with LCU logic for autonomous fault isolation decisions. Use Value: On-chip LCU executes combinational safety logic without CPU intervention; SRAM ECC prevents corruption of trip thresholds during voltage transients. |
Use Scenario: Secure message routing between high-speed backbone (Ethernet) and legacy domains (CAN FD, LIN) with ASIL-D integrity enforcement. IC Role / Device Role / Timing Role: Safety-isolated gateway core handling firewall rules, message filtering, and cryptographic signature verification for critical ADAS signals. Use Value: HSE-B accelerates AES-256 encryption/decryption; XRDC enforces strict memory separation between trusted and untrusted communication buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K342NHT0MPASR | 2 MB flash, same lockstep dual-core M7 @ 160 MHz, identical package and peripheral set. | Preferred where larger firmware image size or extended diagnostic log storage is required. | Select when >1 MB flash is needed without changing PCB layout or software abstraction layer. |
| S32K344NHT0MPASR | 4 MB flash, same ASIL-D lockstep architecture, adds third FlexCAN channel and extra LPUART/LPSPI instances. | Suitable for higher-integration gateways or zonal controllers managing more bus domains. | Choose when expanding CAN FD node count or adding redundant communication paths is required. |
Compared with S32K341NHT0MPASR, S32K342NHT0MPASR offers increased flash capacity while maintaining identical safety architecture and pin compatibility, whereas S32K344NHT0MPASR extends both memory and peripheral count for more complex domain integration-neither requires PCB revision but differ in firmware scalability and I/O headroom.
Availability
S32K341NHT0MPASR is available at Aetrix Electronics and suitable for automotive body control modules, chassis domain controllers, power distribution units, and safety-critical gateway ECUs requiring stable component supply across long production lifecycles.
Supply support for S32K341NHT0MPASR 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with leadership in functional safety and embedded security IP.
The S32K3xx family-including S32K341NHT0MPASR-is engineered for ISO 26262 ASIL-D automotive control applications, emphasizing lockstep processing, memory safety, and hardware-accelerated security for next-generation E/E architectures.
FAQ
What safety certification level does the S32K341NHT0MPASR support?
The S32K341NHT0MPASR is certified to ISO 26262 ASIL-D at the hardware level, with lockstep dual Cortex-M7 cores, ECC on all memories, centralized error detection (FCCU/CMU), and hardware safety mechanisms including SWT watchdogs and XRDC access control-all documented in the official S32K3xx Functional Safety Manual. S32K341NHT0MPASR meets full ASIL-D requirements for fault detection coverage and safe failure fraction.
Does the S32K341NHT0MPASR support CAN FD, and how many channels are available?
Yes, the S32K341NHT0MPASR integrates four FlexCAN modules, each supporting CAN FD protocol with bit rates up to 5 Mbps and flexible data field lengths. All channels include built-in message RAM, acceptance filtering, and loopback/self-test modes-enabling concurrent high-bandwidth communication with ECUs such as ADAS cameras and radar units. S32K341NHT0MPASR's CAN FD implementation complies with ISO 11898-1:2015.
What package type and pin count does the S32K341NHT0MPASR use?
The S32K341NHT0MPASR uses a MAPBGA437 package (17 mm × 17 mm, 0.8 mm pitch) with exposed thermal pad. This 437-ball grid array supports high I/O density for automotive interfaces including Ethernet, multiple CAN FD channels, QuadSPI, and extensive GPIO-while enabling efficient heat dissipation in sealed ECU housings. S32K341NHT0MPASR's pinout is fully compatible with other S32K34x variants in the same package option.
Can the S32K341NHT0MPASR execute over-the-air (OTA) firmware updates securely?
Yes, the S32K341NHT0MPASR supports secure OTA updates via its RWW (Read-While-Write) flash architecture and A/B swap capability, combined with HSE-B hardware acceleration for AES-256 decryption and signature verification. Firmware images are validated before activation using CRC and digital signatures stored in protected memory regions. S32K341NHT0MPASR's bootloader leverages these features to ensure atomic, rollback-safe updates without compromising ASIL-D runtime integrity.
What debug and trace capabilities are integrated into the S32K341NHT0MPASR?
The S32K341NHT0MPASR includes Serial Wire Debug (SWD) with 2-pin interface, CoreSight components (ITM, DWT, HTM, FPB, SWV), and SWO trace output supporting instruction, data, and exception tracing at full core speed. It also provides Embedded Cross Trigger (ECT) for multicore synchronization and ETB trace buffering. These capabilities enable real-time visibility into ASIL-D software execution-critical for validation of S32K341NHT0MPASR-based safety applications.
S32K341NHT0MPASR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-QFP
- Series:
- S32K3
- Packaging:
- Tape & Reel (TR)
- 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:
S32K341NHT0MPASR FAQ
1.How can I place an order for S32K341NHT0MPASR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K341NHT0MPASR 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 S32K341NHT0MPASR reliable?
The price and inventory of S32K341NHT0MPASR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K341NHT0MPASR is usually 5 days.
3.What payment methods are accepted for S32K341NHT0MPASR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K341NHT0MPASR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K341NHT0MPASR?
S32K341NHT0MPASR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K341NHT0MPASR 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 S32K341NHT0MPASR?
For technical support, including S32K341NHT0MPASR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K341NHT0MPASR requirements.
6.How does Aetrix verify that S32K341NHT0MPASR is sourced from the original manufacturer or authorized distributors?
All S32K341NHT0MPASR 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 S32K341NHT0MPASR meets industry standards.
7.What is the process for return or replacement of S32K341NHT0MPASR?
All S32K341NHT0MPASR units undergo pre-shipment inspection (PSI). If there is an issue with S32K341NHT0MPASR, 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 S32K341NHT0MPASR part is unused and in its original packaging.
Return procedure for S32K341NHT0MPASR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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