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NXP Semiconductors S32K314NHT1VMMST
- Part No.:
- S32K314NHT1VMMST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 257-LFBGA
- Datasheet:
-
S32K314NHT1VMMST.pdf
- Description:
- S32K314 ARM CORTEX-M7, 160 MHZ,
- Quantity:
- Payment:
- Shipping:
Inventory:1,533
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Product details
Overview
S32K314NHT1VMMST from NXP Semiconductors is an ASIL-B qualified automotive MCU featuring a single Arm Cortex-M7 core operating up to 160 MHz, 4 MB program flash with ECC, 512 KB SRAM with ECC (including 192 KB TCM), and support for CAN FD, Ethernet AVB/TSN, QuadSPI, and triple 12-bit ADCs. It targets body control modules, gateway ECUs, and chassis domain controllers requiring high-integrity real-time processing in harsh environments.
For engineers reviewing the S32K314NHT1VMMST datasheet, S32K314NHT1VMMST pinout, S32K314NHT1VMMST application, or S32K314NHT1VMMST equivalent, this page delivers verified specifications, package mapping, functional alternatives, and design-critical timing, safety, and interface details directly applicable to automotive ECU development and ASIL-B compliance validation.
Technical Context
The S32K314NHT1VMMST implements a single-core Arm Cortex-M7 CPU with DSP extension, single-precision FPU, and tightly coupled memory (TCM) optimized for deterministic motor control and safety-critical loops. Its memory subsystem includes ECC-protected 4 MB flash and 512 KB SRAM with 192 KB TCM, enabling zero-wait-state execution for time-sensitive tasks.
It integrates dual clock domains-high-frequency (FXOSC/SPLL up to 160 MHz) and low-power (SIRC/SXOSC)-with configurable power modes (RUN/STANDBY), peripheral-specific clock gating, and hardware safety mechanisms including SWT, CRC, FCCU, and XRDC-based access control-all aligned with ISO 26262 ASIL-B requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7, single core, 160 MHz max - enables deterministic real-time control with DSP/FPU acceleration for sensor fusion and closed-loop algorithms. |
| Flash Memory | 4 MB program flash with ECC - supports A/B swap for robust OTA updates and fault-tolerant firmware recovery in automotive gateways. |
| SRAM | 512 KB SRAM with ECC, including 192 KB TCM - provides low-latency, error-protected data storage for critical control variables and stack operations. |
| ADC | Three 12-bit ADCs, up to 24 channels each - delivers simultaneous high-resolution analog sensing for battery monitoring, temperature, and position feedback. |
| Communication | 6 FlexCAN (CAN FD), 16 LPUART, 6 LPSPI, 2 LPI2C, 1 Ethernet (100 Mbps AVB/TSN), QuadSPI - enables multi-bus vehicle networking with time-synchronized messaging. |
| Operating Range | 2.97 V–5.5 V supply, −40 °C to +125 °C ambient - certified for under-hood and chassis-mounted automotive applications without derating. |
| Safety Certification | ISO 26262 ASIL-B compliant - includes hardware safety features (FCCU, SWT, ECC, CRC, XRDC) for systematic and random fault mitigation. |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch, exposed pad). This RoHS-compliant package supports thermal dissipation up to 2.5 W and mechanical reliability per AEC-Q100 Grade 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog Power / Ground | Separate analog supply domain for ADC/CMP reference stability; requires dedicated filtering per layout guidelines. |
| FXOSC_IN / FXOSC_OUT | External Crystal Oscillator Interface | Supports 8–40 MHz crystal for high-accuracy system clock; essential for CAN FD bit timing and Ethernet synchronization. |
| ENET_RXD0–3 / ENET_TXD0–3 | Ethernet PHY Data Lines | Differential 100BASE-TX interface supporting AVB/TSN time-aware shaping and precise timestamping via RTC integration. |
| CAN0_TX / CAN0_RX – CAN5_TX / CAN5_RX | CAN FD Transceiver I/O | 6 independent CAN FD channels with flexible message RAM and hardware filtering - enables multi-domain communication without software arbitration overhead. |
| QSPI_D0–D3 / QSPI_SCLK / QSPI_SS | QuadSPI External Memory Interface | 4-bit data bus at up to 480 Mbps - allows direct XIP execution from external flash or expansion of code/data space beyond on-chip limits. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Safety Architecture | Integrated FCCU, dual SWT, ECC on all memories, CRC engine, and XRDC-based master access control - reduces FMEDA effort and simplifies ISO 26262 documentation. |
| Real-Time Determinism | 192 KB TCM RAM + zero-wait-state I/D cache + BCTU-triggered ADC/timer cross-linking - ensures sub-microsecond latency for motor control and safety actuation. |
| Secure Boot & OTA | HSE-B hardware security engine (AES-256, RSA-4096, ECC-521), RWW flash, A/B swap - enables authenticated, encrypted firmware updates with rollback protection. |
| Flexible I/O Emulation | 32-channel FlexIO supporting UART/I²C/SPI/I²S/SENT/PWM waveforms - replaces discrete protocol ICs and reduces BOM count in mixed-interface ECUs. |
| Low-Power Domain Control | PMC with RUN/STANDBY modes and peripheral clock gating - achieves <10 µA standby current while retaining RTC, wakeup pins, and selected SRAM retention. |
Applications
| Body Control Module (BCM) | Vehicle Gateway ECU |
|---|---|
Use Scenario: Centralized management of lighting, door locks, window lifts, and seat controls in modern vehicles. IC Role / Device Role / Timing Role: Main application processor executing LIN/CAN gateway logic, PWM dimming control, and diagnostic services. Use Value: Triple ADC and 60 wakeup-capable GPIOs enable direct analog sensor interfacing and fast wake-from-sleep response (<100 µs) for intrusion detection. |
Use Scenario: Aggregation and routing of messages between powertrain, chassis, infotainment, and ADAS domains over multiple CAN FD, LIN, and Ethernet buses. IC Role / Device Role / Timing Role: High-throughput network bridge with time-synchronized packet forwarding using Ethernet TSN and CAN FD timestamping. Use Value: Dual-clock domain support (SPLL + SXOSC) and hardware TRGMUX ensure deterministic inter-bus triggering for synchronized diagnostics and logging. |
| Chassis Domain Controller | Electric Power Steering (EPS) Support Unit |
Use Scenario: Integration of brake-by-wire, suspension control, and steering angle monitoring in Zonal E/E architectures. IC Role / Device Role / Timing Role: Safety-monitoring co-processor validating sensor inputs and actuator commands alongside primary controller. Use Value: ASIL-B-certified ECC memory, hardware CRC, and dual SWT provide runtime integrity checking for fail-safe torque limiting decisions. |
Use Scenario: Secondary control unit handling motor phase current sampling, temperature monitoring, and assist-torque blending in EPS systems. IC Role / Device Role / Timing Role: Real-time analog acquisition node with eMIOS PWM generation and BCTU-triggered ADC sampling synchronized to motor commutation. Use Value: Three 24-channel 12-bit ADCs + 72-channel eMIOS + 32-bit RTC API enable precise 10 kHz current loop sampling with autonomous periodic interrupt-driven diagnostics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K324NHT1VMMST | Dual-core Arm Cortex-M7 @ 160 MHz, same 4 MB flash/512 KB SRAM, adds second CPU for asymmetric task partitioning. | Better suited for applications requiring concurrent real-time control and communication stack offload (e.g., gateway with firewall + routing). | Select when workload separation justifies added complexity and cost; not drop-in compatible due to different core configuration and debug resource allocation. |
| S32K344NHT1VMMST | Lockstep dual-core Arm Cortex-M7 @ 160 MHz, ASIL-D certified, identical memory and peripheral set but enhanced safety redundancy. | Required where end-system ASIL-D decomposition mandates lockstep execution and full fault coverage (e.g., steer-by-wire backup path). | Choose only if ASIL-D compliance is mandatory; requires additional safety software layers and qualification evidence not needed for ASIL-B S32K314NHT1VMMST. |
Compared with S32K314NHT1VMMST, S32K324NHT1VMMST offers parallel processing capability at the cost of higher power and software complexity, while S32K344NHT1VMMST delivers ASIL-D fault containment at the expense of reduced performance headroom and increased certification burden - making S32K314NHT1VMMST the optimal balance for ASIL-B gateway and body control applications.
Availability
S32K314NHT1VMMST is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateway ECUs, chassis domain controllers, and electric power steering support units requiring stable component supply across extended production lifecycles.
Supply support for S32K314NHT1VMMST 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 silicon.
The S32K3xx family - including S32K314NHT1VMMST - was designed specifically for next-generation automotive domain and zonal controllers, emphasizing ASIL-B/D compliance, real-time determinism, and scalable networking for software-defined vehicles.
FAQ
What is the maximum operating frequency of the S32K314NHT1VMMST?
The S32K314NHT1VMMST features a single Arm Cortex-M7 core rated for up to 160 MHz operation, achieved using the System PLL (SPLL) driven by the 8–40 MHz Fast External Oscillator (FXOSC). This frequency is fully supported across the full −40 °C to +125 °C ambient range and 2.97 V–5.5 V supply voltage, with all peripherals functional at rated speed. The S32K314NHT1VMMST does not support 240 MHz operation - that capability is reserved for higher-tier S32K328/S32K338 variants.
Does the S32K314NHT1VMMST include hardware security features?
Yes, the S32K314NHT1VMMST integrates the HSE-B (Hardware Security Engine-B) module supporting AES-256 encryption/decryption, RSA-4096 and ECC-521 signing/verification, TRNG/PRNG, and secure boot with immutable root-of-trust. It also provides RWW (Read-While-Write) flash and A/B swap capability for secure OTA updates. These features are documented in the S32K3xx Data Sheet Rev. 14 and enabled via factory-programmed fuses and firmware libraries provided by NXP.
What package type is used for the S32K314NHT1VMMST?
The S32K314NHT1VMMST is supplied in a MAPBGA437 package: 17 mm × 17 mm body, 0.8 mm ball pitch, 437 I/O balls, with an exposed thermal pad. This package is AEC-Q100 Grade 1 qualified and supports JEDEC J-STD-020 moisture sensitivity level 3. Pin compatibility is maintained across S32K3xx family members using the same MAPBGA437 footprint, enabling hardware reuse in scalable ECU designs.
Is Ethernet support available on the S32K314NHT1VMMST?
Yes, the S32K314NHT1VMMST includes one 100 Mbps Ethernet MAC with AVB (Audio Video Bridging) and TSN (Time-Sensitive Networking) support, including IEEE 802.1AS timing synchronization and IEEE 802.1Qbv time-aware shaper. It requires an external PHY and supports MII/RMII interfaces. The integrated 32-bit RTC with API function and hardware timestamping enables precise packet scheduling and time-critical diagnostics in gateway applications.
How many CAN FD channels does the S32K314NHT1VMMST support?
The S32K314NHT1VMMST supports six independent FlexCAN modules, each capable of CAN FD operation at up to 5 Mbps data phase. All six channels include message RAM, hardware filtering, and loopback/self-test modes. They share no resource contention with other peripherals, allowing concurrent high-bandwidth communication across powertrain, chassis, and body domains without software arbitration bottlenecks.
S32K314NHT1VMMST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 257-LFBGA
- Series:
- S32K3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit
- Speed:
- 160MHz
- Connectivity:
- CANbus, Ethernet, FlexIO, I2C, I3C, LIN, QSPI, SAI, SPI, UART/USART
- Peripherals:
- DMA, I2S, Serial Audio, WDT
- Number of I/O:
- 218
- Program Memory Size:
- 4MB (4M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K314NHT1VMMST FAQ
1.How can I place an order for S32K314NHT1VMMST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K314NHT1VMMST 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 S32K314NHT1VMMST reliable?
The price and inventory of S32K314NHT1VMMST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K314NHT1VMMST is usually 5 days.
3.What payment methods are accepted for S32K314NHT1VMMST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K314NHT1VMMST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K314NHT1VMMST?
S32K314NHT1VMMST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K314NHT1VMMST 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 S32K314NHT1VMMST?
For technical support, including S32K314NHT1VMMST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K314NHT1VMMST requirements.
6.How does Aetrix verify that S32K314NHT1VMMST is sourced from the original manufacturer or authorized distributors?
All S32K314NHT1VMMST 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 S32K314NHT1VMMST meets industry standards.
7.What is the process for return or replacement of S32K314NHT1VMMST?
All S32K314NHT1VMMST units undergo pre-shipment inspection (PSI). If there is an issue with S32K314NHT1VMMST, 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 S32K314NHT1VMMST part is unused and in its original packaging.
Return procedure for S32K314NHT1VMMST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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