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NXP Semiconductors S32K324NHT1MPBST
- Part No.:
- S32K324NHT1MPBST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K324NHT1MPBST.pdf
- Description:
- S32K324 ARM CORTEX-M7, 160 MHZ,
- Quantity:
- Payment:
- Shipping:
Inventory:2,320
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Product details
Overview
S32K324NHT1MPBST from NXP Semiconductors is an ASIL-B dual-core Arm Cortex-M7 automotive microcontroller 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 interface. It targets body control modules and domain controllers in electric powertrain and chassis systems.
For engineers reviewing the S32K324NHT1MPBST datasheet, S32K324NHT1MPBST pinout, S32K324NHT1MPBST application, or S32K324NHT1MPBST equivalent, key selection criteria include dual-core lockstep readiness, ASIL-B safety certification, 160 MHz real-time performance with TCM, CAN FD channel count, and MAPBGA437 package compatibility with automotive PCB layout constraints.
Technical Context
The S32K324NHT1MPBST implements two independent Arm Cortex-M7 cores at 160 MHz each, each with FPU, DSP, I-cache, D-cache, and zero-wait-state TCM RAM. It integrates a 64-bit crossbar fabric, dual eMIOS timer modules (up to 48 channels), and BCTU for ADC/timer cross-triggering.
Its safety architecture includes FCCU, SWT timers, ECC on all memories, EDC on data paths, CRC module, and XRDC-based access control-enabling ASIL-B compliance per ISO 26262. The device supports RWW flash, A/B swap for OTA updates, and hardware-accelerated AES via HSE-B (not enabled in K324).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual independent Arm Cortex-M7 @ 160 MHz with FPU, DSP, I/D-cache, and 192 KB TCM RAM for deterministic motor control loops. |
| Memory | 4 MB ECC-protected program flash, 128 KB ECC-protected data flash, 512 KB ECC-protected SRAM (192 KB as 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 - qualified for under-hood and transmission control unit environments. |
| Communication | 6 FlexCAN (all with CAN FD), 16 LPUART, 6 LPSPI, 2 LPI2C, 2 SAI, 1 Ethernet (100 Mbps AVB/TSN), 1 QuadSPI (480 Mbps, 4-bit). |
| Analog Peripherals | Three 12-bit ADCs (24-channel each), three analog comparators (each with 8-bit DAC), one temperature sensor, BCTU for synchronized sampling. |
| Safety & Security | ASIL-B compliant; ECC on flash/SRAM, EDC on data paths, CRC, FCCU, dual SWT, XRDC, VIRT_WRAPPER, no HSE-B crypto acceleration (K388/K389 only). |
Pinout & Package
Package: MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed pad for thermal management in automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 1.1 V ±5% regulated input for CPU and cache subsystems; requires low-noise local decoupling. |
| VDD_IO | I/O power supply | 1.8 V / 3.3 V selectable rail supporting mixed-voltage interfaces (e.g., LIN transceivers, CAN PHYs). |
| RESET_B | Active-low reset input | Asynchronous reset assertion resets all logic domains; monitored by FCCU for fail-safe recovery. |
| JTAG_TCK / SWD_CLK | Debug clock | 2-pin SWD interface enables production programming and runtime debug without JTAG header footprint. |
| ENET_RXD0–3 / TXD0–3 | Ethernet physical layer interface | Four differential pairs for 100BASE-TX; requires impedance-controlled routing and magnetics for AVB/TSN timing compliance. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Direct connection to CAN FD transceiver; supports bit rates up to 5 Mbps with built-in protocol engine and message RAM. |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 cores with independent caches and TCM | Enables asymmetric task partitioning-e.g., one core for real-time motor control, second for diagnostics and communication stack. |
| QuadSPI interface (480 Mbps, 4-bit) | Supports XIP execution and fast firmware update from external flash, reducing boot time and BOM cost vs. internal flash-only designs. |
| BCTU (Body Control Trigger Unit) | Hardware-synchronized triggering across ADC, eMIOS, and LCU-eliminates software latency in battery monitoring and PWM feedback loops. |
| FlexIO module (32 channels) | Configurable as UART, SPI, I²S, SENT, or custom protocols-replaces discrete interface ICs in lighting, sensor fusion, and actuator control. |
| ASIL-B certified safety mechanisms | Includes lockstep-ready infrastructure, memory ECC, error injection test support, and FCCU-managed fault containment-reduces FMEDA effort for ISO 26262 projects. |
Applications
| Electric Powertrain Control | Chassis Domain Controller |
|---|---|
|
Use Scenario: Real-time torque vectoring and inverter gate drive sequencing in 4WD EV platforms. IC Role / Device Role / Timing Role: Dual-core S32K324NHT1MPBST executes motor control algorithms on TCM-resident code while managing CAN FD comms and fault logging. Use Value: 160 MHz core + 192 KB TCM enables sub-1 µs current loop execution; QuadSPI allows dynamic parameter loading from external flash during calibration. |
Use Scenario: Centralized brake-by-wire and steering assist coordination across multiple ECUs. IC Role / Device Role / Timing Role: S32K324NHT1MPBST acts as safety-critical domain controller with redundant FlexCAN channels and Ethernet AVB for time-synchronized actuator commands. Use Value: ASIL-B compliance and ECC-protected memory ensure functional integrity; BCTU synchronizes brake pressure sensor sampling with valve PWM outputs. |
| Body Control Module (BCM) | Advanced Lighting Control |
|
Use Scenario: Integrated door module managing window lift, mirror fold, seat position, and LIN-connected sensors. IC Role / Device Role / Timing Role: S32K324NHT1MPBST runs LIN protocol stacks, GPIO-driven actuators, and diagnostic state machines across both cores. Use Value: 320 GPIO pins and 60 wakeup-capable inputs enable single-chip consolidation of legacy discrete BCM functions; LPUART/LPSPI offload MCU overhead. |
Use Scenario: Adaptive LED headlight beam shaping using matrix LED drivers and ambient light/position sensing. IC Role / Device Role / Timing Role: S32K324NHT1MPBST processes camera input metadata, drives high-resolution PWM via eMIOS, and communicates over CAN FD to ADAS host. Use Value: Three 24-channel ADCs acquire multi-zone photodiode data simultaneously; FlexIO emulates custom LED driver protocols without external ASICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344NHT1MPBST | ASIL-D lockstep dual-core variant with identical pinout, same 4 MB flash and 512 KB SRAM, but adds dual-core lockstep checking and enhanced safety monitors. | Required for ASIL-D safety goals (e.g., steering angle control); not drop-in due to stricter clock/reset supervision and diagnostic requirements. | Select S32K344NHT1MPBST when full ASIL-D decomposition is mandated; S32K324NHT1MPBST suffices for ASIL-B domains like BCM or non-critical powertrain functions. |
| S32K314NHT1MPBST | ASIL-B single-core variant with same 4 MB flash and 512 KB SRAM, but only one Cortex-M7 core at 160 MHz and reduced peripheral count (e.g., 4 FlexCAN, no Ethernet). | Suitable for cost-sensitive body electronics where dual-core processing or Ethernet is unnecessary. | Choose S32K314NHT1MPBST to reduce BOM and software complexity when real-time load fits within one core and network requirements are LIN/CAN-only. |
Compared with S32K324NHT1MPBST, the S32K344NHT1MPBST adds mandatory lockstep and ASIL-D certification overhead, while the S32K314NHT1MPBST removes dual-core determinism and Ethernet-making S32K324NHT1MPBST the optimal balance of performance, safety, and feature set for mid-tier automotive domain controllers.
Availability
S32K324NHT1MPBST is available at Aetrix Electronics and suitable for electric powertrain control, chassis domain controllers, body control modules, and advanced lighting systems requiring stable component supply across automotive production lifecycles.
Supply support for S32K324NHT1MPBST 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 applications, with deep expertise in functional safety and automotive-grade reliability.
The S32K3xx family-including S32K324NHT1MPBST-is designed for ASIL-B/D automotive domain controllers, emphasizing real-time determinism, integrated safety mechanisms, and scalable networking (CAN FD, Ethernet AVB/TSN) for vehicle electrification and zonal architectures.
FAQ
What is the maximum operating frequency of the S32K324NHT1MPBST?
The S32K324NHT1MPBST features two independent Arm Cortex-M7 cores, each operating at up to 160 MHz. This frequency is sustained across the full −40 °C to +125 °C ambient temperature range and 2.97 V to 5.5 V supply voltage, enabling deterministic execution of motor control and safety-critical tasks without thermal throttling. The S32K324NHT1MPBST achieves this with zero-wait-state TCM and dedicated cache resources per core.
Does the S32K324NHT1MPBST include hardware security acceleration?
No, the S32K324NHT1MPBST does not include the Hardware Security Engine (HSE-B) with AES/RSA/ECC acceleration. That feature is reserved for the S32K388 and S32K389 variants per the official S32K3xx datasheet. The S32K324NHT1MPBST provides foundational security via TRNG, secure boot ROM, and lifecycle management-but no cryptographic offload engines.
Which package options are supported by the S32K324NHT1MPBST?
The S32K324NHT1MPBST is offered exclusively in the MAPBGA437 package (17 mm × 17 mm, 0.8 mm pitch, exposed thermal pad). While the broader S32K3xx family supports LQFP48, HDQFP100, HDQFP172, MAPBGA257, and MAPBGA289, the S32K324NHT1MPBST variant is only documented for MAPBGA437 in NXP's official packaging tables and datasheet Figure 8.
Is the S32K324NHT1MPBST pin-compatible with other S32K3xx devices?
Yes-the S32K324NHT1MPBST shares identical pinout and signal mapping with all S32K3xx devices in the MAPBGA437 package, including S32K314, S32K344, and S32K388. This enables hardware reuse across ASIL-B and ASIL-D variants, provided power delivery, clocking, and safety monitor configurations align with the target device's requirements.
What Ethernet capabilities does the S32K324NHT1MPBST support?
The S32K324NHT1MPBST integrates a single 100 Mbps Ethernet MAC with AVB (Audio Video Bridging) and TSN (Time-Sensitive Networking) support, including IEEE 802.1AS timestamping and 802.1Qbv time-aware shaper. It requires an external PHY and supports MII/RMII interfaces-enabling deterministic communication for ADAS sensor fusion and domain controller synchronization without external switch ICs.
S32K324NHT1MPBST 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 ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K324NHT1MPBST FAQ
1.How can I place an order for S32K324NHT1MPBST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K324NHT1MPBST 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 S32K324NHT1MPBST reliable?
The price and inventory of S32K324NHT1MPBST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K324NHT1MPBST is usually 5 days.
3.What payment methods are accepted for S32K324NHT1MPBST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K324NHT1MPBST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K324NHT1MPBST?
S32K324NHT1MPBST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K324NHT1MPBST 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 S32K324NHT1MPBST?
For technical support, including S32K324NHT1MPBST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K324NHT1MPBST requirements.
6.How does Aetrix verify that S32K324NHT1MPBST is sourced from the original manufacturer or authorized distributors?
All S32K324NHT1MPBST 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 S32K324NHT1MPBST meets industry standards.
7.What is the process for return or replacement of S32K324NHT1MPBST?
All S32K324NHT1MPBST units undergo pre-shipment inspection (PSI). If there is an issue with S32K324NHT1MPBST, 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 S32K324NHT1MPBST part is unused and in its original packaging.
Return procedure for S32K324NHT1MPBST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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