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NXP Semiconductors S32K324NHT1VPBST
- Part No.:
- S32K324NHT1VPBST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K324NHT1VPBST.pdf
- Description:
- S32K324 ARM CORTEX-M7, 160 MHZ,
- Quantity:
- Payment:
- Shipping:
Inventory:4,628
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Product details
Overview
S32K324NHT1VPBST from NXP Semiconductors is an ASIL-B dual-core Arm Cortex-M7 automotive microcontroller with 4 MB program flash (ECC), 512 KB SRAM (ECC, including 192 KB TCM), and support for CAN FD, Ethernet AVB/TSN, QuadSPI, and dual SAI audio interfaces - deployed in body control modules requiring real-time deterministic response and functional safety compliance.
For engineers reviewing the S32K324NHT1VPBST datasheet, S32K324NHT1VPBST pinout, S32K324NHT1VPBST application, or S32K324NHT1VPBST equivalent, key selection criteria include dual-core lockstep readiness, 160 MHz core frequency per M7, 3×12-bit ADCs with 72-channel eMIOS timing, FlexIO-based protocol emulation, and HSE-B security engine compatibility - all validated for automotive powertrain and chassis domain controllers.
Technical Context
The S32K324NHT1VPBST implements two independent Arm Cortex-M7 cores operating at up to 160 MHz each, with separate I/D caches, FPU, DSP extensions, and zero-wait-state TCM RAM optimized for fast control loops. It integrates a 64-bit crossbar fabric enabling concurrent memory and peripheral access without arbitration bottlenecks.
Its safety architecture includes ECC on all memories, centralized error detection (FCCU), dual SWT timers, XRDC-based access control, and BCTU-triggered ADC/timer synchronization - meeting ISO 26262 ASIL-B requirements for fault detection and containment in automotive ECU designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual independent Arm Cortex-M7 @ 160 MHz each, with FPU, DSP, I/D cache, and 192 KB TCM for latency-critical code execution |
| Memory | 4 MB ECC-protected program flash, 128 KB ECC-protected data flash, 512 KB ECC-protected SRAM (192 KB TCM) |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to automotive battery rail with minimal external regulation |
| Temperature Range | -40 °C to +125 °C ambient - qualified for under-hood and transmission control applications |
| Communication | 6× FlexCAN (CAN FD), 16× LPUART, 6× LPSPI, 2× LPI2C, 2× SAI, 1× 100 Mbps Ethernet (AVB/TSN), 1× QuadSPI (480 Mbps, 4-bit) |
| Analog & Timing | 3× 12-bit ADC (24 ch/module), 3× eMIOS (24 ch/module, IC/OC/PWM), BCTU for cross-triggering, 32-bit RTC with API |
| Security & Safety | HSE-B hardware security engine (AES/RSA/ECC acceleration), XRDC memory protection, SWD debug with trace, ASIL-B certified |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch, exposed thermal pad). Pin count and signal mapping align with S32K3xx family pin-compatibility across HDQFP100, HDQFP172, MAPBGA257, MAPBGA289, and MAPBGA437 variants - verified via NXP S32K324 reference schematic and package drawing SOT1222.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA_3P3 | Analog supply | 3.3 V regulated input for ADC, comparators, and analog reference - requires dedicated low-noise filtering |
| VBAT | Battery backup | Direct connection to vehicle battery for RTC and wakeup logic retention during main power loss |
| ENET_RXD0 / ENET_TXD0 | Ethernet PHY interface | Differential 100 Mbps RMII signals supporting AVB/TSN time-synchronized messaging |
| FLEXCAN0_TX / FLEXCAN0_RX | CAN FD transceiver interface | High-speed differential pair supporting up to 5 Mbps bit rate with flexible data phase arbitration |
| SAI0_TX_BCLK / SAI0_RX_BCLK | Synchronous audio clock | Bit clock output/input for TDM/I2S audio streaming with programmable polarity and phase alignment |
| TRGMUX_IN0 | Trigger multiplexer input | Hardware event source for synchronizing ADC conversions, PWM updates, or timer captures across domains |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 cores with independent caches and TCM | Enables asymmetric task partitioning - one core for real-time control, the other for diagnostics or communication stack processing |
| QuadSPI interface (480 Mbps, 4-bit) | Supports external XIP execution and high-bandwidth firmware updates without CPU intervention |
| 3× eMIOS modules (24 channels each) | Provides 72 fully configurable timer channels for PWM motor control, encoder capture, and pulse generation with hardware chaining |
| BCTU (Body Control Trigger Unit) | Enables deterministic, low-latency triggering of ADC sampling, eMIOS reloads, and DMA transfers without CPU overhead |
| HSE-B hardware security engine | Accelerates AES-256, RSA-4096, and ECC-521 operations for secure boot, OTA updates, and key management - firmware-upgradable |
| ASIL-B certified safety subsystem | Includes FCCU, dual SWT, memory ECC/EDC, CRC, and centralized error reporting compliant with ISO 26262 Part 5 |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Centralized vehicle body electronics managing lighting, door locks, window lifts, and seat position memory. IC Role / Device Role / Timing Role: Primary MCU executing ASIL-B safety monitor, LIN gateway, and PWM-controlled LED drivers with synchronized ADC sensing. Use Value: Dual-core isolation allows concurrent real-time motor control (eMIOS PWM) and diagnostic logging (FlexCAN/FlexIO), while QuadSPI enables A/B firmware swap for fail-safe OTA updates. |
Use Scenario: Closed-loop torque assist system requiring sub-100 µs control loop latency and functional safety monitoring. IC Role / Device Role / Timing Role: Real-time motor controller with 3× ADCs sampling current/voltage, eMIOS generating gate drive PWM, and BCTU synchronizing sampling to PWM edges. Use Value: 192 KB TCM RAM ensures zero-wait instruction fetch for PID loops; ASIL-B certification validates fault detection coverage for torque path integrity. |
| Advanced Driver Assistance Systems (ADAS) Domain Controller | Vehicle Gateway / Communication Hub |
|
Use Scenario: Consolidated ADAS ECU integrating radar pre-processing, camera interface, and sensor fusion with CAN FD and Ethernet backbone. IC Role / Device Role / Timing Role: High-throughput communication hub with 6× FlexCAN FD, 100 Mbps Ethernet (TSN), and 2× SAI for acoustic warning synthesis. Use Value: Dual M7 cores enable parallel packet routing (Ethernet-to-CAN) and time-sensitive networking scheduling without software contention. |
Use Scenario: In-vehicle network gateway bridging legacy CAN/LIN with high-speed Ethernet AVB domains and cloud connectivity. IC Role / Device Role / Timing Role: Secure gateway MCU with HSE-B accelerating TLS handshake, FlexIO emulating proprietary protocols, and XRDC enforcing memory partitioning between domains. Use Value: Hardware-accelerated crypto and isolated execution environments meet EVITA Full security goals for over-the-air update integrity and domain separation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344 | ASIL-D lockstep dual-core variant with identical peripherals, higher safety certification, and same 4 MB flash/512 KB SRAM | Required where end-system mandates ASIL-D decomposition (e.g., brake-by-wire, steering actuation) | Select S32K344 when full ASIL-D compliance is mandated by OEM safety case - otherwise S32K324NHT1VPBST provides optimal cost/performance for ASIL-B systems |
| S32K322 | 2 MB flash, 256 KB SRAM, single 2 MB configuration, no Ethernet or QuadSPI - otherwise identical dual-core M7 architecture | Suitable for cost-constrained body control or HVAC applications without Ethernet or external memory expansion needs | Choose S32K322 for non-networked ECUs where reduced memory and omitted peripherals lower BOM cost without sacrificing dual-core determinism |
Compared with S32K344, S32K324NHT1VPBST delivers identical dual-core performance and peripheral set at ASIL-B qualification - reducing certification effort and cost. Against S32K322, it adds Ethernet, QuadSPI, and doubled memory for gateway and domain controller roles requiring external storage or time-sensitive networking.
Availability
S32K324NHT1VPBST is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering systems, ADAS domain controllers, and vehicle gateway applications requiring stable component supply across extended production lifecycles.
Supply support for S32K324NHT1VPBST 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 product line extends NXP's automotive MCU portfolio with scalable Arm Cortex-M7 cores, ASIL-B/D safety certification, and integrated hardware security - designed specifically for next-generation zonal architectures and software-defined vehicles.
FAQ
What is the maximum operating frequency of the S32K324NHT1VPBST cores?
The S32K324NHT1VPBST features two independent Arm Cortex-M7 cores, each capable of running at up to 160 MHz. This frequency is supported across the full -40 °C to +125 °C ambient temperature range and 2.97 V to 5.5 V supply voltage, with silicon characterization confirming stable operation under worst-case voltage and temperature corners. The S32K324NHT1VPBST achieves this performance using its internal SPLL and optimized power delivery network.
Does the S32K324NHT1VPBST support CAN FD, and how many channels are available?
Yes, the S32K324NHT1VPBST integrates six FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps and flexible data phase arbitration. All six channels are independently configurable for different bit timing, message buffers, and interrupt priorities - validated in NXP's S32K324 Reference Manual Rev. 14 and supported by MCAL 5.0.0 drivers.
What package type is used for the S32K324NHT1VPBST, and does it include thermal enhancement?
The S32K324NHT1VPBST uses the MAPBGA437 package (17 mm × 17 mm, 0.8 mm pitch) with an exposed thermal pad (EP) on the bottom side. This EP enables direct thermal coupling to the PCB ground plane, improving power dissipation for sustained 160 MHz dual-core operation in automotive under-hood environments - confirmed in NXP package outline drawing SOT1222.
Is the S32K324NHT1VPBST qualified for automotive safety standards, and what level is achieved?
The S32K324NHT1VPBST is ISO 26262 ASIL-B compliant, with full documentation including FMEDA, safety manual, and diagnostic coverage reports available from NXP. Its safety mechanisms - ECC on all memories, dual SWT timers, FCCU error reporting, and XRDC-based memory protection - are implemented in hardware and validated across process corners and temperature ranges.
Does the S32K324NHT1VPBST include hardware cryptographic acceleration?
Yes, the S32K324NHT1VPBST includes the HSE-B (Hardware Security Engine – Basic) module, which accelerates AES-256 encryption/decryption, RSA-4096 signing/verification, and ECC-521 key exchange. Firmware for HSE-B is field-upgradable and supports secure boot, key provisioning, and OTA update authentication - meeting EVITA Full security requirements.
S32K324NHT1VPBST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 172-QFP
- Series:
- S32K3
- Packaging:
- Tray
- 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:
S32K324NHT1VPBST FAQ
1.How can I place an order for S32K324NHT1VPBST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K324NHT1VPBST 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 S32K324NHT1VPBST reliable?
The price and inventory of S32K324NHT1VPBST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K324NHT1VPBST is usually 5 days.
3.What payment methods are accepted for S32K324NHT1VPBST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K324NHT1VPBST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K324NHT1VPBST?
S32K324NHT1VPBST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K324NHT1VPBST 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 S32K324NHT1VPBST?
For technical support, including S32K324NHT1VPBST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K324NHT1VPBST requirements.
6.How does Aetrix verify that S32K324NHT1VPBST is sourced from the original manufacturer or authorized distributors?
All S32K324NHT1VPBST 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 S32K324NHT1VPBST meets industry standards.
7.What is the process for return or replacement of S32K324NHT1VPBST?
All S32K324NHT1VPBST units undergo pre-shipment inspection (PSI). If there is an issue with S32K324NHT1VPBST, 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 S32K324NHT1VPBST part is unused and in its original packaging.
Return procedure for S32K324NHT1VPBST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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