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NXP Semiconductors S32K324NHT1VPBSR
- Part No.:
- S32K324NHT1VPBSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K324NHT1VPBSR.pdf
- Description:
- S32K324 ARM CORTEX-M7, 160 MHZ,
- Quantity:
- Payment:
- Shipping:
Inventory:4,950
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Product details
Overview
S32K324NHT1VPBSR from NXP Semiconductors is an ASIL-B dual-core Arm® Cortex-M7 automotive MCU operating up to 160 MHz, featuring 4 MB program flash with ECC, 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 domain controllers in harsh-temperature automotive environments.
For engineers reviewing the S32K324NHT1VPBSR datasheet, S32K324NHT1VPBSR pinout, S32K324NHT1VPBSR application, or S32K324NHT1VPBSR equivalent, this page delivers verified core architecture, memory mapping, safety features, and interface capabilities aligned to the S32K3xx family specification Rev. 14 (10 April 2026).
Technical Context
The S32K324NHT1VPBSR implements two independent Arm Cortex-M7 cores running at up to 160 MHz each, with separate I/D caches, FPU, DSP extensions, and zero-wait-state TCM RAM optimized for deterministic real-time control loops. Its cross-triggering infrastructure links eMIOS timers, ADCs, and BCTU for precise sensor-to-actuator timing.
It integrates a full ASIL-B safety system including FCCU, SWT, ECC on all memories, EDC on data paths, CRC module, and XRDC-based access control-enabling compliance with ISO 26262 without requiring lockstep configuration. The HSE-B security engine supports AES acceleration, though not enabled on K324 per documentation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual independent Arm Cortex-M7 @ up to 160 MHz - enables parallel real-time tasks with hardware isolation and cache coherency management. |
| Flash Memory | 4 MB program flash with ECC - ensures bit-error resilience in automotive power cycling and radiation-prone environments. |
| SRAM | 512 KB SRAM with ECC, including 192 KB TCM - guarantees low-latency CPU access for time-critical firmware and control algorithms. |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to 3.3 V and 5 V automotive supply rails without external regulators. |
| Temperature Range | −40 °C to +125 °C - qualified for under-hood and chassis-mounted applications across all power modes. |
| Communication | 6 FlexCAN (CAN FD), 16 LPUART, 6 LPSPI, 2 LPI2C, 2 SAI, 1 Ethernet (100 Mbps AVB/TSN), QuadSPI (480 Mbps) - provides scalable vehicle networking and audio/data offload capability. |
| Analog Peripherals | 3 × 12-bit ADC (24-channel each), 3 × analog comparators with integrated 8-bit DAC, temperature sensor - enables high-resolution motor sensing and closed-loop feedback. |
Pinout & Package
Package: MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed pad - optimized for thermal dissipation in compact automotive modules and compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog Power / Ground | Separate analog domain supply pins ensure noise-free ADC reference and comparator operation in mixed-signal systems. |
| FXOSC_IN / FXOSC_OUT | External Crystal Oscillator Interface | Supports 8–40 MHz crystal input for high-accuracy system clock generation and jitter-sensitive CAN/Ethernet timing. |
| ETH_RXD0–3 / ETH_TXD0–3 | Ethernet PHY Interface | Direct RMII/MII-capable pins enable 100 Mbps AVB/TSN connectivity without external PHY translation logic. |
| CAN0_TX / CAN0_RX … CAN5_TX / CAN5_RX | FlexCAN Transceiver I/O | Dedicated differential signal pairs per channel support concurrent CAN FD communication up to 5 Mbps with built-in protocol handling. |
| QSPI_D0–D3 / QSPI_SCLK / QSPI_SS | QuadSPI Bus Interface | 4-bit data bus + clock + chip select enables boot-from-external-flash and secure OTA update partitioning via A/B swap. |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 Cores | Independent execution with shared XBAR interconnect allows asymmetric task partitioning-e.g., one core for safety-critical CAN routing, another for diagnostics or OTA updates. |
| ASIL-B Safety Architecture | Integrated FCCU, SWT, ECC/EDC, CRC, and XRDC enforce fault detection, containment, and recovery without external safety monitors or redundant microcontrollers. |
| OTA-Ready Flash | RWW (Read-While-Write) and A/B swap support enable seamless field updates with zero downtime and rollback capability for mission-critical ECUs. |
| Flexible I/O Emulation | 32-channel FlexIO can synthesize UART, SPI, I2S, SENT, or PWM waveforms-reducing BOM count by replacing discrete interface ICs in sensor fusion or actuator driver designs. |
| Real-Time Determinism | 24-channel eMIOS timers with BCTU cross-triggering, 32-bit RTC with autonomous periodic interrupt, and zero-wait TCM deliver sub-microsecond latency for motor control and battery management loops. |
Applications
| Body Control Module (BCM) | Vehicle Gateway ECU |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators across multiple CAN/LIN domains. IC Role / Device Role / Timing Role: Primary application processor managing LIN slave coordination, CAN message routing, and PWM-driven LED dimming with synchronized fade timing. Use Value: Dual-core architecture isolates safety-critical door-lock logic from non-critical ambient lighting control, while 192 KB TCM ensures <1 µs response to crash-triggered hazard activation. |
Use Scenario: Aggregation and firewalling of data between powertrain, chassis, infotainment, and ADAS networks in Zonal/E/E architectures. IC Role / Device Role / Timing Role: High-throughput packet forwarding engine with 6 FlexCAN channels, 16 LPUARTs, and 100 Mbps Ethernet supporting time-synchronized diagnostics and OTA orchestration. Use Value: QuadSPI boot and A/B flash swap allow secure, atomic firmware updates across all connected domains without network interruption or ECU reset propagation. |
| Electric Power Steering (EPS) Support Unit | Chassis Domain Controller |
Use Scenario: Secondary controller monitoring torque sensor signals, motor phase currents, and EPS ECU health status via CAN FD. IC Role / Device Role / Timing Role: Real-time safety monitor using 3×12-bit ADCs, 3× comparators, and eMIOS PWM capture to validate primary EPS MCU output within <50 µs. Use Value: ECC-protected 512 KB SRAM stores calibrated sensor offsets and fault logs across 10,000+ ignition cycles; ASIL-B certification eliminates need for external watchdog co-processor. |
Use Scenario: Integration point for brake-by-wire, suspension control, and ADAS sensor preprocessing in centralized chassis systems. IC Role / Device Role / Timing Role: Time-synchronized data concentrator using BCTU-triggered ADC sampling and STM-based timestamping for multi-axis IMU and wheel-speed correlation. Use Value: Dual Cortex-M7 cores execute independent control laws (e.g., active roll compensation + brake vectoring) with guaranteed cache partitioning and no shared-memory contention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344NHT1VPBSR | ASIL-D lockstep dual-core variant with identical package, peripherals, and memory map; adds redundant core checking and enhanced fault coverage. | Required for steering/braking functions where ASIL-D decomposition is mandated; higher diagnostic coverage but lower peak performance margin due to lockstep overhead. | Select when functional safety requirements exceed ASIL-B-e.g., for chassis domain controllers requiring end-to-end fault tolerance. |
| S32K322NHT1VPBSR | ASIL-B dual-core variant with 2 MB flash, 256 KB SRAM (192 KB TCM), and reduced peripheral count (4 FlexCAN, 8 LPUART, no Ethernet). | Suitable for cost-sensitive body electronics with lower integration density; lacks QuadSPI and Ethernet needed for OTA or zonal gateways. | Choose for non-networked BCMs or junction boxes where flash size, Ethernet, and OTA are unnecessary-reduces BOM and layout complexity. |
Compared with S32K324NHT1VPBSR, the S32K344NHT1VPBSR provides certified ASIL-D compliance at the expense of ~10% performance headroom, while the S32K322NHT1VPBSR trades memory capacity and interface breadth for lower unit cost and simpler qualification-making all three viable within tiered automotive platform strategies.
Availability
S32K324NHT1VPBSR is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateway ECUs, electric power steering support units, and chassis domain controllers requiring stable component supply across extended production lifecycles.
Supply support for S32K324NHT1VPBSR 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, reliable, and energy-efficient processing solutions for automotive, industrial, and IoT markets.
The S32K3xx product line was designed specifically for next-generation automotive electronic control units-delivering scalable ASIL-B/D safety, real-time determinism, and rich networking to replace legacy 8/16-bit MCUs in body, gateway, and chassis applications.
FAQ
What is the maximum operating frequency of the S32K324NHT1VPBSR?
The S32K324NHT1VPBSR features two independent Arm Cortex-M7 cores, each capable of running at up to 160 MHz. This frequency is achievable across the full −40 °C to +125 °C ambient temperature range and 2.97 V to 5.5 V supply voltage, with all on-chip peripherals fully operational and timing-critical features like eMIOS and ADCs meeting specification.
Does the S32K324NHT1VPBSR support CAN FD?
Yes, the S32K324NHT1VPBSR integrates six FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps and flexible bit-rate switching. All six channels implement full CAN FD protocol handling-including ISO 11898-1:2015 compliance, payload lengths up to 64 bytes, and built-in error confinement-without requiring external transceivers for protocol layer functionality.
What package type is used for the S32K324NHT1VPBSR?
The S32K324NHT1VPBSR is packaged in a MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed pad. This package supports high I/O density, thermal reliability in automotive under-hood environments, and compatibility with standard PCB assembly processes including automated optical inspection and X-ray void analysis.
Is Ethernet supported on the S32K324NHT1VPBSR?
Yes, the S32K324NHT1VPBSR includes one 100 Mbps Ethernet MAC with AVB/TSN support. It implements IEEE 802.1AS time synchronization, 802.1Qbv time-aware shaping, and 802.1Qci ingress policing-enabling deterministic networking for gateway and domain controller use cases without requiring an external Ethernet PHY for MAC-layer functionality.
Does the S32K324NHT1VPBSR include hardware security features?
The S32K324NHT1VPBSR integrates the HSE-B hardware security engine supporting AES acceleration, TRNG/PRNG, and secure key storage-but excludes RSA/ECC cryptographic accelerators and Evita Full compliance, which are reserved for K388/K389 variants. Secure boot, debug authentication, and lifecycle management are fully implemented per S32K3xx family specifications.
S32K324NHT1VPBSR 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 Dual-Core
- 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:
S32K324NHT1VPBSR FAQ
1.How can I place an order for S32K324NHT1VPBSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K324NHT1VPBSR 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 S32K324NHT1VPBSR reliable?
The price and inventory of S32K324NHT1VPBSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K324NHT1VPBSR is usually 5 days.
3.What payment methods are accepted for S32K324NHT1VPBSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K324NHT1VPBSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K324NHT1VPBSR?
S32K324NHT1VPBSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K324NHT1VPBSR 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 S32K324NHT1VPBSR?
For technical support, including S32K324NHT1VPBSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K324NHT1VPBSR requirements.
6.How does Aetrix verify that S32K324NHT1VPBSR is sourced from the original manufacturer or authorized distributors?
All S32K324NHT1VPBSR 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 S32K324NHT1VPBSR meets industry standards.
7.What is the process for return or replacement of S32K324NHT1VPBSR?
All S32K324NHT1VPBSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K324NHT1VPBSR, 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 S32K324NHT1VPBSR part is unused and in its original packaging.
Return procedure for S32K324NHT1VPBSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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