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NXP Semiconductors S32K314NHT1MPBSR
- Part No.:
- S32K314NHT1MPBSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K314NHT1MPBSR.pdf
- Description:
- S32K314NHT1MPBSR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S32K314NHT1MPBSR from NXP Semiconductors is an ASIL-B qualified 32-bit Arm Cortex-M7 microcontroller designed for automotive body control, gateway, and domain controller applications. It operates from 2.97 V to 5.5 V across –40 °C to 125 °C, integrates 4 MB program flash with ECC, 512 KB SRAM (including 96 KB TCM), and supports up to 160 MHz core frequency with FPU and DSP extensions.
For engineers reviewing the S32K314NHT1MPBSR datasheet, S32K314NHT1MPBSR pinout, S32K314NHT1MPBSR application, or S32K314NHT1MPBSR equivalent, key selection criteria include its dual-core-capable lockstep-ready architecture, FlexCAN modules with CAN FD support, QuadSPI interface for external memory expansion, and integrated safety mechanisms including ECC on all memories and hardware watchdog timers.
Technical Context
The S32K314NHT1MPBSR implements a single Arm Cortex-M7 core executing at up to 160 MHz with Thumb-2 ISA, single-precision FPU, and DSP instructions. Its memory subsystem includes 4 MB on-chip flash with read-while-write (RWW) capability, 512 KB SRAM with ECC, and 96 KB tightly coupled memory (TCM) optimized for deterministic real-time control loops.
It features three 12-bit ADCs (24-channel each), six LPSPI, two LPI2C, sixteen LPUART, six FlexCAN channels with CAN FD, two SAI audio interfaces, one 100 Mbps Ethernet AVB/TSN module, and a configurable eMIOS timer system delivering up to 72 PWM/IC/OC channels - all managed via a 64-bit crossbar fabric and XRDC-based access control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Arm Cortex-M7, 32-bit, Thumb-2 ISA, up to 160 MHz - enables high-performance deterministic real-time execution with low-latency interrupt handling. |
| Flash Memory | 4 MB program flash with ECC and RWW/A-B swap - supports robust over-the-air (OTA) firmware updates without runtime interruption. |
| SRAM | 512 KB total SRAM with ECC, including 96 KB TCM - ensures zero-wait-state CPU access for time-critical control code and data. |
| ADC | Three 12-bit ADC modules, 24 analog inputs each - provides high-resolution sensor acquisition for multi-zone body electronics monitoring. |
| FlexCAN Channels | Six CAN FD-capable controllers - enables high-bandwidth, fault-tolerant communication across vehicle domains with backward LIN/UART compatibility. |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to automotive battery rails with wide transient tolerance. |
| Temperature Range | –40 °C to +125 °C - certified for under-hood and chassis-mounted automotive applications per AEC-Q100 Grade 1. |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch, exposed thermal pad). Pin count: 437 terminals. Compatible with HDQFP100, HDQFP172, MAPBGA257, and MAPBGA289 footprints within the S32K3xx family, but S32K314NHT1MPBSR is specifically mapped to the MAPBGA437 variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power supply / ground | Independent 3.3 V analog domain with dedicated filtering - preserves ADC accuracy and comparator stability in noisy automotive environments. |
| FXOSC_IN / FXOSC_OUT | External crystal oscillator input/output | Supports 8–40 MHz crystals - enables precise clock sourcing for CAN FD timing, Ethernet AVB synchronization, and safety-critical timer functions. |
| ENET_RXD0–3 / ENET_TXD0–3 | Ethernet physical layer data lines | 100 Mbps AVB/TSN-compliant differential pair routing - allows deterministic time-sensitive networking for domain controllers and ADAS gateways. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential transceiver I/O | Direct connection to ISO 11898-2 compliant CAN FD PHY - supports data rates up to 5 Mbps with built-in loopback and error frame detection. |
| QSPI_DATA0–3 / QSPI_SCLK / QSPI_SS_B | QuadSPI bus signals | 4-bit parallel interface supporting up to 480 Mbps - enables fast boot from external flash and seamless memory-mapped execution of application code. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Security Engine (HSE-B) | Integrated AES-256, RSA-4096, and ECC-521 acceleration with firmware-upgradable security stack - meets EVITA Full requirements for secure boot and key management. |
| Functional Safety Support | ASIL-B compliance per ISO 26262, with ECC on all memories, centralized error detection (FCCU), dual-core lockstep readiness, and self-test capabilities (MBIST/LBIST). |
| Flexible I/O Emulation (FlexIO) | 32-channel programmable serial interface supporting UART, I²C, SPI, I²S, SENT, and PWM waveforms - eliminates need for external protocol translators in mixed-signal subsystems. |
| Real-Time Determinism | Zero-wait-state TCM RAM, BCTU-triggered ADC/timer synchronization, and eMIOS PWM with sub-microsecond jitter - guarantees cycle-accurate motor and lighting control timing. |
| Power Management | PMC-controlled RUN/STANDBY modes with peripheral-specific clock gating - reduces active current to <10 mA while retaining CAN wakeup and RTC alarm functionality. |
Applications
| Body Control Module (BCM) | Vehicle Gateway |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU managing 320 GPIOs, 60 wakeup-capable pins, and 32 interrupt sources - coordinating distributed LIN nodes and local sensor feedback. Use Value: Integrated eMIOS timers deliver synchronized PWM dimming for LED lighting; FlexCAN channels enable concurrent communication with powertrain and chassis ECUs at CAN FD speeds. |
Use Scenario: Aggregation and translation of messages between CAN FD, LIN, Ethernet AVB, and FlexRay domains in zonal architectures. IC Role / Device Role / Timing Role: Network bridge with 6 FlexCAN, 16 LPUART, 2 LPI2C, and 100 Mbps Ethernet - performing protocol conversion and firewalling with XRDC-enforced memory isolation. Use Value: Dual-core lockstep readiness and HSE-B allow secure OTA updates and cryptographic message signing without performance penalty on real-time packet forwarding. |
| Electric Power Steering (EPS) Support MCU | Advanced Lighting Controller |
Use Scenario: Secondary controller for EPS motor phase current sensing, torque assist calculation offload, and fail-safe diagnostics. IC Role / Device Role / Timing Role: Safety-redundant companion to main EPS MCU - monitors ADC inputs from shunt resistors and Hall sensors using BCTU-triggered sampling. Use Value: Three independent 12-bit ADCs with 24-channel multiplexing provide simultaneous sampling of 6-phase currents; ECC-protected SRAM ensures integrity of diagnostic checksums. |
Use Scenario: Adaptive front-lighting system (AFS) controlling matrix LED arrays with dynamic beam shaping and glare-free high-beam modulation. IC Role / Device Role / Timing Role: Real-time PWM generator and sensor fusion hub - driving 64+ LED strings via eMIOS with sub-µs edge precision and closed-loop feedback from ambient light and camera inputs. Use Value: 96 KB TCM RAM enables zero-latency execution of PID control loops; FlexIO emulates custom LED driver protocols without external logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K324NHT1MPBSR | Dual-core Arm Cortex-M7 at 160 MHz, 4 MB flash, 512 KB SRAM, same package - adds second independent M7 core for asymmetric task partitioning. | Required for applications needing concurrent real-time control and background diagnostics or cybersecurity processing. | Select when workload separation or functional safety redundancy beyond ASIL-B is required; otherwise S32K314NHT1MPBSR offers lower cost and power. |
| S32K344NHT1MPBSR | ASIL-D lockstep dual-core M7, identical memory and peripheral set - includes enhanced safety mechanisms (dual-clock monitors, redundant FCCU, extended self-test). | Mandatory for steering, braking, or other ASIL-D–rated systems where fault containment and diagnostic coverage exceed ASIL-B thresholds. | Choose only if full ISO 26262 ASIL-D certification is contractually required; S32K314NHT1MPBSR satisfies most body/gateway use cases at lower BOM cost. |
Compared with S32K324NHT1MPBSR and S32K344NHT1MPBSR, the S32K314NHT1MPBSR delivers optimal balance of ASIL-B safety, real-time performance, and peripheral integration for cost-sensitive automotive body electronics - avoiding unnecessary dual-core complexity or ASIL-D overhead unless mandated by system-level safety goals.
Availability
S32K314NHT1MPBSR is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, and electric power steering support systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 qualification.
Supply support for S32K314NHT1MPBSR 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 communications markets, with deep expertise in secure microcontrollers and radar signal processing.
The S32K3xx product line was developed specifically for next-generation automotive domain controllers and body electronics, emphasizing ASIL-B/D functional safety, CAN FD/Ethernet TSN connectivity, and scalable Arm Cortex-M7 performance with integrated security engines.
FAQ
What is the maximum operating frequency of the S32K314NHT1MPBSR?
The S32K314NHT1MPBSR features a single Arm Cortex-M7 core rated for operation up to 160 MHz. This frequency is achievable across the full –40 °C to +125 °C temperature range and 2.97 V to 5.5 V supply voltage, with full support for FPU, DSP, and cache operations. The core's performance is sustained by zero-wait-state TCM RAM and a 64-bit crossbar interconnect.
Does the S32K314NHT1MPBSR support CAN FD communication?
Yes, the S32K314NHT1MPBSR integrates six FlexCAN modules, each fully compliant with CAN FD (Controller Area Network with Flexible Data-Rate) per ISO 11898-1:2015. These modules support data rates up to 5 Mbps, payload lengths up to 64 bytes, and automatic bit-rate switching - enabling high-throughput communication in modern automotive networks without requiring external transceivers.
What safety certifications does the S32K314NHT1MPBSR hold?
The S32K314NHT1MPBSR is certified to ASIL-B per ISO 26262:2018, with hardware safety mechanisms including ECC on all memories (flash, SRAM, TCM), centralized error detection via FCCU, dual watchdog timers (SWT), and memory BIST. It also supports lockstep configuration for ASIL-D migration and includes XRDC-based memory protection for software-defined safety partitions.
Which package type is used by the S32K314NHT1MPBSR?
The S32K314NHT1MPBSR 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 for enhanced heat dissipation. This package is pin-compatible with other S32K3xx variants in the same footprint family, though electrical and thermal validation must be performed per design.
Does the S32K314NHT1MPBSR include hardware encryption acceleration?
Yes, the S32K314NHT1MPBSR integrates the Hardware Security Engine (HSE-B), which provides dedicated acceleration for AES-256, RSA-4096, and ECC-521 cryptographic operations. It supports secure boot, key provisioning, and OTA update authentication - all implemented in tamper-resistant hardware with side-channel attack mitigation and firmware-upgradable security firmware.
S32K314NHT1MPBSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 172-QFP
- Series:
- S32K3
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit
- Speed:
- 160MHz
- Connectivity:
- CANbus, FlexIO, I2C, LINbus, QSPI, SAI, SENT, SPI, UART/USART
- Peripherals:
- DMA, I2S, WDT
- Number of I/O:
- 142
- Program Memory Size:
- 4MB (4M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128K x 8
- RAM Size:
- 512K 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:
S32K314NHT1MPBSR FAQ
1.How can I place an order for S32K314NHT1MPBSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K314NHT1MPBSR 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 S32K314NHT1MPBSR reliable?
The price and inventory of S32K314NHT1MPBSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K314NHT1MPBSR is usually 5 days.
3.What payment methods are accepted for S32K314NHT1MPBSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K314NHT1MPBSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K314NHT1MPBSR?
S32K314NHT1MPBSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K314NHT1MPBSR 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 S32K314NHT1MPBSR?
For technical support, including S32K314NHT1MPBSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K314NHT1MPBSR requirements.
6.How does Aetrix verify that S32K314NHT1MPBSR is sourced from the original manufacturer or authorized distributors?
All S32K314NHT1MPBSR 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 S32K314NHT1MPBSR meets industry standards.
7.What is the process for return or replacement of S32K314NHT1MPBSR?
All S32K314NHT1MPBSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K314NHT1MPBSR, 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 S32K314NHT1MPBSR part is unused and in its original packaging.
Return procedure for S32K314NHT1MPBSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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