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NXP Semiconductors S32K324NHT1MMMSR
- Part No.:
- S32K324NHT1MMMSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
S32K324NHT1MMMSR.pdf
- Description:
- IC MCU
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Product details
Overview
S32K324NHT1MMMSR from NXP Semiconductors is an ASIL-B dual-core Arm® Cortex-M7 automotive microcontroller operating up to 160 MHz, featuring 4 MB ECC-protected program flash, 512 KB ECC SRAM (including 192 KB TCM), and support for CAN FD, Ethernet AVB/TSN, and QuadSPI at 480 Mbps. It targets body control modules, gateway ECUs, and chassis domain controllers requiring real-time deterministic response in harsh environments.
For engineers reviewing the S32K324NHT1MMMSR datasheet, S32K324NHT1MMMSR pinout, S32K324NHT1MMMSR application, or S32K324NHT1MMMSR equivalent, key selection criteria include dual-core lockstep readiness, ASIL-B safety compliance, 160 MHz CPU frequency with FPU/DSP, integrated BCTU for ADC/timer cross-triggering, and MAPBGA437 package compatibility with automotive thermal and EMI requirements.
Technical Context
The S32K324NHT1MMMSR implements two independent Arm Cortex-M7 cores with separate I/D caches, 192 KB tightly coupled memory (TCM), and synchronized execution paths for fault containment. Its memory subsystem includes ECC on all SRAM and flash, plus RWW (Read-While-Write) capability enabling A/B swap for OTA updates.
Timing architecture integrates three eMIOS modules (72 timer channels), two STM timers, BCTU for hardware-synchronized ADC sampling, and TRGMUX for flexible peripheral triggering-enabling precise motor control loop timing and sensor fusion without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual independent Arm Cortex-M7 @ 160 MHz with FPU, DSP, and I/D cache |
| Flash Memory | 4 MB program flash with ECC and RWW for A/B OTA updates |
| SRAM | 512 KB SRAM with ECC, including 192 KB TCM for zero-wait real-time code execution |
| 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 applications |
| Functional Safety | ISO 26262 ASIL-B compliant with FCCU, SWT, CRC, and centralized error detection |
| Communication | 6 FlexCAN (CAN FD), 16 LPUART, 6 LPSPI, 2 LPI2C, 1 Ethernet (100 Mbps AVB/TSN), 2 SAI |
| Analog Peripherals | 3 × 12-bit ADC (24-channel each), 3 × analog comparators with internal 8-bit DAC, temperature sensor |
Pinout & Package
Package: MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch, exposed pad). Pinout validated per NXP S32K324 Reference Manual Rev. 14 and S32K324NHT1MMMSR device marking documentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog power supply | 3.3 V ±5 % dedicated rail for ADC/CMP reference stability |
| VSSA | Analog ground | Isolated ground plane for noise-sensitive analog signal integrity |
| RTC_XTAL_IN / RTC_XTAL_OUT | 32 kHz crystal oscillator interface | Connects to external SXOSC for autonomous RTC operation during STANDBY mode |
| ENET0_RXD0–3 / ENET0_TXD0–3 | Ethernet physical layer interface | Direct RMII-compatible connection to PHY without external level-shifting |
| FLEXCAN0_TX / FLEXCAN0_RX | CAN FD high-speed differential pair | Compliant with ISO 11898-2:2016; supports bit rates up to 5 Mbps |
| QSPI0_SCLK / QSPI0_SIO0–3 | QuadSPI clock and data lines | Enables 480 Mbps external flash/RAM expansion with single-instruction read/write |
| JTAG_TCK / JTAG_TDO / JTAG_TDI / JTAG_TMS | SWD/JTAG debug interface | 2-pin Serial Wire Debug (SWD) supported; full CoreSight trace via SWO and ITM |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core deterministic execution | Two independent Cortex-M7 cores with separate TCM and cache enable parallel real-time tasks (e.g., comms stack + motor control) without resource contention |
| BCTU hardware synchronization | Body Control Trigger Unit enables sub-microsecond ADC sampling aligned to eMIOS PWM edges-critical for current sensing in field-oriented control |
| ASIL-B safety architecture | Integrated FCCU, dual SWT, memory ECC, and centralized error reporting meet ISO 26262 Part 6 requirements without external safety monitor |
| OTA-ready flash partitioning | RWW capability and A/B swap support allow seamless firmware updates during vehicle runtime with rollback protection |
| Flexible IO emulation (FlexIO) | 32-channel FlexIO module emulates UART, SPI, I²S, SENT, or custom protocols-reducing need for external interface ICs |
| Low-power domain control | PMC supports RUN/STANDBY modes with peripheral-specific clock gating; 60 GPIO pins retain wakeup capability in STANDBY |
Applications
| Body Control Module (BCM) | Vehicle Gateway ECU |
|---|---|
Use Scenario: Centralized management of lighting, door locks, window lifts, and HVAC actuators across multiple CAN/LIN networks. IC Role / Device Role / Timing Role: Primary controller executing ASIL-B-compliant state machines, coordinating LIN slave nodes, and routing CAN messages between domains. Use Value: Dual-core isolation allows concurrent LIN protocol handling and CAN message filtering while maintaining <10 µs interrupt latency for critical safety events. |
Use Scenario: Aggregation and firewalling of data between powertrain, chassis, infotainment, and ADAS domains in Zonal Architecture. IC Role / Device Role / Timing Role: Network bridge with 6 FlexCAN FD channels, 16 LPUARTs, and 100 Mbps Ethernet supporting time-sensitive networking (TSN) for sensor data forwarding. Use Value: Hardware-accelerated packet filtering and VLAN tagging offload CPU cycles, enabling deterministic <50 µs end-to-end latency for critical control traffic. |
| Chassis Domain Controller | Electric Power Steering (EPS) Support MCU |
Use Scenario: Integration of brake-by-wire, electronic suspension, and active roll stabilization using high-resolution sensor inputs and fast PWM outputs. IC Role / Device Role / Timing Role: Real-time executor of PID loops with BCTU-synchronized ADC sampling and eMIOS-generated PWM waveforms. Use Value: 192 KB TCM ensures zero-wait instruction fetch for control algorithms; 72 eMIOS channels provide independent PWM generation for 12+ actuators. |
Use Scenario: Secondary controller augmenting main EPS MCU with torque overlay, fail-safe monitoring, and CAN FD diagnostics. IC Role / Device Role / Timing Role: Safety-redundant monitor running independent torque validation and sensor plausibility checks in lockstep-aware context. Use Value: ASIL-B compliance, dual SWT, and ECC memory enable certified fail-operational behavior during primary MCU faults without architectural redesign. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344NHT1MMMSR | ASIL-D lockstep dual-core variant with identical peripherals, higher safety certification, and same 4 MB flash/512 KB RAM | Required where system-level ASIL-D decomposition mandates hardware lockstep and dual-channel error detection | Select when functional safety requirements exceed ASIL-B; otherwise S32K324NHT1MMMSR reduces cost and complexity |
| S32K322NHT1MMMSR | ASIL-B dual-core variant with 2 MB flash, 256 KB RAM, no Ethernet or QuadSPI, and reduced peripheral count (4 FlexCAN, 8 LPUART) | Suitable for cost-constrained body electronics with lower memory and connectivity needs | Choose for non-gateway applications where 2 MB flash and absence of Ethernet suffice; retains same dual-core timing architecture |
Compared with S32K344NHT1MMMSR, the S32K324NHT1MMMSR delivers identical dual-core performance and peripheral set at ASIL-B level-reducing certification effort and BOM cost. Against S32K322NHT1MMMSR, it adds Ethernet, QuadSPI, and doubled memory-enabling scalable gateway functionality without changing PCB layout or software abstraction layer.
Availability
S32K324NHT1MMMSR is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateway ECUs, and chassis domain controllers requiring stable component supply across extended production lifecycles.
Supply support for S32K324NHT1MMMSR 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 applications, with leadership in ARM-based automotive MCUs and radar processing.
The S32K3xx product line was designed to extend NXP's automotive MCU portfolio with scalable Arm Cortex-M7 cores, ASIL-B/D safety compliance, and integrated security engines-targeting next-generation zonal architectures and software-defined vehicles.
FAQ
What is the maximum operating frequency of the S32K324NHT1MMMSR?
The S32K324NHT1MMMSR operates at up to 160 MHz on both Arm Cortex-M7 cores. 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 peripherals fully functional and timing-critical features like eMIOS and BCTU meeting specification.
Does the S32K324NHT1MMMSR support CAN FD?
Yes, the S32K324NHT1MMMSR integrates six FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps and protocol extensions including flexible data-length and enhanced error confinement. All six channels are independently configurable and support ISO 11898-1:2015 compliance.
What package type is used for the S32K324NHT1MMMSR?
The S32K324NHT1MMMSR uses the MAPBGA437 package: a 17 mm × 17 mm ball grid array with 0.8 mm pitch and exposed thermal pad. This package is qualified for automotive applications and supports reflow soldering per J-STD-020 moisture sensitivity level 3.
How does the S32K324NHT1MMMSR handle functional safety requirements?
The S32K324NHT1MMMSR meets ISO 26262 ASIL-B requirements through integrated hardware safety mechanisms: Fault Collection and Control Unit (FCCU), dual Software Watchdog Timers (SWT), ECC on all memories, CRC acceleration, and centralized error reporting. No external safety monitor is required for ASIL-B deployment.
Is Ethernet supported on the S32K324NHT1MMMSR?
Yes, the S32K324NHT1MMMSR includes one 100 Mbps Ethernet MAC with AVB/TSN support. It implements IEEE 802.1AS timing synchronization and IEEE 802.1Qbv time-aware shaping, enabling deterministic communication for vehicle networking and domain controller applications.
What debug interfaces are available on the S32K324NHT1MMMSR?
The S32K324NHT1MMMSR provides Serial Wire Debug (SWD) via two pins (SWDIO/SWCLK), plus full CoreSight trace capabilities including SWO, ITM, DWT, HTM, and ETB. These interfaces support real-time instruction tracing, data watchpoints, and non-intrusive profiling without impacting application timing.
S32K324NHT1MMMSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
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- Program Memory Size:
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- Program Memory Type:
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- EEPROM Size:
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S32K324NHT1MMMSR FAQ
1.How can I place an order for S32K324NHT1MMMSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K324NHT1MMMSR 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 S32K324NHT1MMMSR reliable?
The price and inventory of S32K324NHT1MMMSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K324NHT1MMMSR is usually 5 days.
3.What payment methods are accepted for S32K324NHT1MMMSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K324NHT1MMMSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K324NHT1MMMSR?
S32K324NHT1MMMSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K324NHT1MMMSR 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 S32K324NHT1MMMSR?
For technical support, including S32K324NHT1MMMSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K324NHT1MMMSR requirements.
6.How does Aetrix verify that S32K324NHT1MMMSR is sourced from the original manufacturer or authorized distributors?
All S32K324NHT1MMMSR 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 S32K324NHT1MMMSR meets industry standards.
7.What is the process for return or replacement of S32K324NHT1MMMSR?
All S32K324NHT1MMMSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K324NHT1MMMSR, 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 S32K324NHT1MMMSR part is unused and in its original packaging.
Return procedure for S32K324NHT1MMMSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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