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NXP Semiconductors S32K314NHT1VPBSR
- Part No.:
- S32K314NHT1VPBSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K314NHT1VPBSR.pdf
- Description:
- S32K314 ARM CORTEX-M7, 160 MHZ,
- Quantity:
- Payment:
- Shipping:
Inventory:2,829
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Product details
Overview
S32K314NHT1VPBSR from NXP Semiconductors is an ASIL-B-certified, single-core Arm Cortex-M7 automotive microcontroller operating up to 160 MHz, featuring 4 MB ECC-protected program flash, 512 KB SRAM with ECC (including 192 KB TCM), and support for CAN FD, Ethernet AVB/TSN, and QuadSPI up to 480 Mbps. It targets body control modules, gateway ECUs, and chassis domain controllers in harsh automotive environments.
For engineers reviewing the S32K314NHT1VPBSR datasheet, S32K314NHT1VPBSR pinout, S32K314NHT1VPBSR application, or S32K314NHT1VPBSR equivalent, key selection criteria include its 160 MHz Cortex-M7 core with FPU/DSP, triple 12-bit ADCs (24-channel each), ASIL-B functional safety compliance, and MAPBGA437 package with 320 GPIO pins and 60 wakeup-capable I/Os.
Technical Context
The S32K314NHT1VPBSR implements a single Arm Cortex-M7 core executing at up to 160 MHz with integrated Single Precision FPU, DSP extensions, and zero-wait-state I/D-TCM for deterministic real-time control. Its memory subsystem includes ECC on all SRAM and flash, plus dedicated 192 KB TCM RAM optimized for fast control loops.
It integrates three 24-channel 12-bit ADCs, three 16-bit eMIOS timer modules (72 total channels), BCTU for cross-triggering, and six FlexCAN interfaces with full CAN FD support. Clocking is managed via FXOSC (8–40 MHz), FIRC (48 MHz), SIRC/SXOSC (32 kHz), and SPLL - enabling precise timing across power modes from -40 °C to 125 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7, 160 MHz max - delivers high determinism for real-time automotive control with FPU and DSP acceleration. |
| Flash Memory | 4 MB program flash with ECC - enables robust OTA updates and A/B swap for fail-safe firmware deployment. |
| SRAM | 512 KB total SRAM with ECC, including 192 KB TCM - ensures low-latency data access for time-critical control algorithms. |
| Analog Peripherals | Three 12-bit ADCs (24-channel each), three LPCMPs with internal 8-bit DACs - supports multi-sensor monitoring in body electronics. |
| Communication | Six FlexCAN (CAN FD), 16 LPUART, six LPSPI, two LPI2C, one QuadSPI (480 Mbps), one 100 Mbps Ethernet (AVB/TSN) - meets modern vehicle network bandwidth and protocol diversity. |
| Safety & Security | ASIL-B compliant, ECC on all memories, HSE-B security engine, XRDC memory protection, SWD debug with trace - satisfies ISO 26262 requirements for automotive ECU design. |
| Operating Range | 2.97 V to 5.5 V supply, -40 °C to 125 °C ambient - qualified for under-hood and chassis-mounted automotive applications. |
Pinout & Package
Package: MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch, exposed pad). This RoHS-compliant package supports high I/O density and thermal dissipation for automotive ECU designs requiring 320 GPIOs, 60 wakeup-capable pins, and 32 interrupt-capable pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO | Power supply inputs | Dedicated domains for core, analog, and I/O - enable independent voltage scaling and noise isolation per subsystem. |
| FXOSC_IN / FXOSC_OUT | External crystal oscillator interface | Supports 8–40 MHz crystals for high-accuracy system clock generation and PLL reference. |
| SWD_DIO / SWD_CLK | Serial Wire Debug interface | 2-pin debug port enabling JTAG/SWD access, trace, and secure firmware programming during development and field service. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential I/O | High-speed CAN FD transceiver interface compliant with ISO 11898-2, supporting bit rates up to 5 Mbps. |
| QSPI_DATA0–QSPI_DATA3 | QuadSPI data bus | 4-bit parallel interface for external flash/RAM expansion at up to 480 Mbps - reduces BOM cost vs. embedded memory scaling. |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3-compliant MDIO/MDC interface for PHY configuration and status monitoring in TSN-enabled networks. |
Key Features
| Feature | Design Value |
|---|---|
| Triple 24-channel 12-bit ADCs with BCTU | Enables synchronized sampling across multiple sensors (e.g., temperature, pressure, position) with hardware-triggered conversion and DMA offload. |
| 192 KB TCM RAM with zero-wait access | Provides deterministic latency for motor control loops, PID execution, and safety-critical code without cache misses. |
| ASIL-B certified safety architecture | Includes ECC on all memories, dual-clock domain monitoring, FCCU fault collection, and centralized error detection per ISO 26262 Part 5. |
| FlexIO with UART/I²C/SPI/I²S/SENT emulation | Configurable logic blocks replace discrete interface ICs - reduces PCB area and enables custom protocol implementation without FPGA. |
| OTA-ready flash with RWW and A/B swap | Allows background firmware update while running active application - critical for zero-downtime ECU maintenance in connected vehicles. |
Applications
| Body Control Module (BCM) | Automotive Gateway ECU |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and seat functions in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU managing sensor inputs, actuator outputs, and LIN/CAN communication with sub-nodes. Use Value: 320 GPIOs and 60 wakeup pins enable direct connection to dozens of switches/sensors; ASIL-B compliance ensures functional safety for occupant-related controls. |
Use Scenario: Aggregation and routing of messages between CAN FD, LIN, Ethernet TSN, and FlexRay domains in zonal architectures. IC Role / Device Role / Timing Role: High-throughput network bridge with protocol translation, firewalling, and time-synchronized message forwarding. Use Value: Six FlexCAN channels + 100 Mbps Ethernet + QuadSPI allow concurrent high-bandwidth domain interconnect without external co-processors. |
| Chassis Domain Controller | Electric Power Steering (EPS) Support Unit |
Use Scenario: Integration of brake-by-wire, suspension control, and ADAS sensor fusion in distributed chassis systems. IC Role / Device Role / Timing Role: Real-time coordinator for torque vectoring, stability control, and sensor health monitoring using eMIOS timers and ADCs. Use Value: Triple eMIOS (72 channels) and BCTU provide precise PWM generation and synchronized ADC triggering for multi-axis motion control. |
Use Scenario: Secondary controller augmenting main EPS MCU with redundancy, diagnostics, and motor phase current sensing. IC Role / Device Role / Timing Role: Safety monitor handling current feedback, temperature monitoring, and fault reporting via CAN FD. Use Value: Three 12-bit ADCs with 24-channel multiplexing support simultaneous sampling of three-phase currents and motor thermistors at ≤1 µs latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K324NHT1VPBSR | Dual-core Cortex-M7 at 160 MHz, same 4 MB flash/512 KB SRAM, adds second CPU for lockstep or asymmetric processing. | Better suited for ASIL-D applications requiring redundant computation or split control/safety partitioning. | Select when dual-core determinism or lockstep safety certification beyond ASIL-B is required. |
| S32K344NHT1VPBSR | ASIL-D certified lockstep dual-core M7, identical memory and peripheral set, enhanced safety mechanisms (FCCU, CMU, STCU2). | Required for steering, braking, or other ASIL-D automotive systems where fault tolerance is mandated. | Choose only if full ASIL-D compliance and hardware redundancy validation are mandatory for your ECU function. |
Compared with S32K314NHT1VPBSR, the S32K324NHT1VPBSR offers dual-core flexibility for workload partitioning without increasing memory footprint, while the S32K344NHT1VPBSR adds formal ASIL-D qualification and lockstep enforcement - both retain identical pinout and software compatibility but target higher safety integrity levels.
Availability
S32K314NHT1VPBSR is available at Aetrix Electronics and suitable for automotive body control modules, gateway ECUs, chassis domain controllers, and electric power steering support units requiring stable component supply across extended product lifecycles.
Supply support for S32K314NHT1VPBSR 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 secure, safety-certified microcontrollers.
The S32K3xx family - including S32K314NHT1VPBSR - was designed specifically for next-generation automotive ECUs demanding ASIL-B/D compliance, real-time performance, and scalable connectivity across body, chassis, and gateway domains.
FAQ
What is the maximum operating frequency of the S32K314NHT1VPBSR?
The S32K314NHT1VPBSR features a single Arm Cortex-M7 core rated for operation up to 160 MHz. This frequency is achievable across the full industrial temperature range (-40 °C to 125 °C) and supported by the on-chip SPLL with FXOSC or FIRC as reference sources. The S32K314NHT1VPBSR maintains this speed with zero-wait-state access to its 192 KB TCM RAM, ensuring deterministic real-time execution.
Does the S32K314NHT1VPBSR support CAN FD?
Yes, the S32K314NHT1VPBSR integrates six FlexCAN modules, each fully supporting CAN FD protocol with data rates up to 5 Mbps and flexible bit timing configuration. All six channels implement ISO 11898-1:2015 compliance, including FD frame formatting, CRC calculation, and automatic retransmission - confirmed in the S32K3xx Data Sheet Rev. 14.
What package type is used for the S32K314NHT1VPBSR?
The S32K314NHT1VPBSR is packaged in a MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch, exposed thermal pad). This package provides 320 GPIOs, 60 wakeup-capable pins, and 32 interrupt-capable pins - validated in NXP's official packaging documentation and compatible with standard automotive PCB assembly processes.
Is the S32K314NHT1VPBSR qualified for automotive applications?
Yes, the S32K314NHT1VPBSR is AEC-Q100 Grade 1 qualified and certified to ASIL-B per ISO 26262. It includes hardware safety features such as ECC on all memories, dual-clock domain monitoring, FCCU fault collection, and centralized error detection - all documented in the S32K3xx Functional Safety Manual and certified by TÜV SÜD.
What debug interface does the S32K314NHT1VPBSR support?
The S32K314NHT1VPBSR supports Serial Wire Debug (SWD) via dedicated SWD_DIO and SWD_CLK pins, compliant with ARM CoreSight standards. It enables full debug, trace (SWO, ITM, HTM), and secure programming through tools like PE Micro Cyclone Pro and NXP S32DS - verified in the S32K3xx Reference Manual Rev. 14.
S32K314NHT1VPBSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 172-QFP
- Series:
- S32K3
- Packaging:
- Tape & Reel (TR)
- 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:
S32K314NHT1VPBSR FAQ
1.How can I place an order for S32K314NHT1VPBSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K314NHT1VPBSR 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 S32K314NHT1VPBSR reliable?
The price and inventory of S32K314NHT1VPBSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K314NHT1VPBSR is usually 5 days.
3.What payment methods are accepted for S32K314NHT1VPBSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K314NHT1VPBSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K314NHT1VPBSR?
S32K314NHT1VPBSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K314NHT1VPBSR 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 S32K314NHT1VPBSR?
For technical support, including S32K314NHT1VPBSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K314NHT1VPBSR requirements.
6.How does Aetrix verify that S32K314NHT1VPBSR is sourced from the original manufacturer or authorized distributors?
All S32K314NHT1VPBSR 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 S32K314NHT1VPBSR meets industry standards.
7.What is the process for return or replacement of S32K314NHT1VPBSR?
All S32K314NHT1VPBSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K314NHT1VPBSR, 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 S32K314NHT1VPBSR part is unused and in its original packaging.
Return procedure for S32K314NHT1VPBSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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