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NXP Semiconductors S32K324NHT1VMMSR
- Part No.:
- S32K324NHT1VMMSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 257-LFBGA
- Datasheet:
-
S32K324NHT1VMMSR.pdf
- Description:
- S32K324NHT1VMMSR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S32K324NHT1VMMSR 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 SRAM with 192 KB TCM, and integrated QuadSPI interface supporting up to 480 Mbps for external memory expansion. It delivers real-time control in body electronics and domain controllers.
For engineers reviewing the S32K324NHT1VMMSR datasheet, S32K324NHT1VMMSR pinout, S32K324NHT1VMMSR application, or S32K324NHT1VMMSR equivalent, key selection criteria include dual-core lockstep readiness, CAN FD support across six FlexCAN modules, Ethernet AVB/TSN capability, and functional safety compliance for automotive ECU designs.
Technical Context
The S32K324NHT1VMMSR implements two independent Arm Cortex-M7 cores at 160 MHz each, with separate I/D caches and zero-wait-state TCM RAM to minimize latency in motor control and safety-critical loops. It integrates a 64-bit crossbar switch fabric enabling concurrent high-bandwidth access to flash, SRAM, and peripherals.
Its safety architecture includes hardware redundancy (MBIST/LBIST), centralized error detection via FCCU and CMU, and ASIL-B compliance verified per ISO 26262. The device supports full debug trace via CoreSight components including SWO, ITM, HTM, and ETB, with Serial Wire Debug using only two pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual independent Arm Cortex-M7 @ 160 MHz - enables parallel real-time task partitioning without lockstep overhead |
| Flash Memory | 4 MB program flash with ECC - ensures data integrity during over-the-air updates and long-term storage in harsh environments |
| SRAM | 512 KB SRAM with ECC + 192 KB TCM - provides deterministic low-latency memory for time-critical control algorithms |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to automotive battery rails without external regulators |
| Temperature Range | −40 °C to +125 °C - qualified for under-hood and powertrain applications across all power modes |
| Communication Interfaces | 6 × FlexCAN (CAN FD), 16 × LPUART, 6 × LPSPI, 2 × LPI2C, 2 × SAI, 1 × Ethernet (100 Mbps AVB/TSN) - enables full vehicle network integration |
| Analog Peripherals | 3 × 12-bit ADC (24-channel each), 3 × analog comparators with internal 8-bit DAC - supports sensor fusion and closed-loop actuator control |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch) with exposed pad for thermal management. Pin count and signal assignment align with S32K3xx family compatibility across LQFP48, HDQFP100, HDQFP172, MAPBGA257, MAPBGA289, and MAPBGA437 variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog Power / Ground | Isolated analog supply domain for ADC/CMP reference stability and noise immunity |
| RTC_XTAL_IN / RTC_XTAL_OUT | 32 kHz Crystal Interface | Connects to external SXOSC for autonomous real-time counter operation in STANDBY mode |
| ENET_RXD0–3 / ENET_TXD0–3 | Ethernet Data Lines | Supports 100BASE-T1 PHY interface with AVB/TSN timestamping and traffic shaping |
| CAN0_TX / CAN0_RX – CAN5_TX / CAN5_RX | FlexCAN Differential I/O | Each pair routes to dedicated CAN FD transceivers with bit rates up to 5 Mbps and built-in loopback test mode |
| QSPI_DATA0–3 / QSPI_SCLK / QSPI_SS_B | QuadSPI Bus Signals | Enables x4 read throughput up to 480 Mbps for external flash/RAM expansion with configurable latency insertion |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core Arm Cortex-M7 @ 160 MHz | Enables asymmetric task distribution: one core for safety-monitored control, the other for diagnostics or communication stack processing |
| ASIL-B compliant safety system | Includes FCCU, CMU, SWT timers, and centralized error reporting - eliminates need for external safety monitor ICs in tier-2 ECUs |
| QuadSPI with 480 Mbps x4 mode | Reduces BOM cost by replacing parallel NOR/NAND interfaces with single high-speed serial bus for boot code and firmware storage |
| 32-channel DMAMUX with 128 request sources | Eliminates CPU polling overhead for ADC sampling, CAN message buffering, and SPI transfers - improves real-time determinism |
| HSE-B security engine (AES-256, RSA-4096) | Accelerates cryptographic operations for secure boot, firmware signing, and OTA update verification without impacting main CPU load |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and seat position memory in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU executing LIN gateway logic, PWM dimming control, and wake-up interrupt arbitration across 60 GPIO pins. Use Value: Dual-core architecture isolates safety-critical lock/unlock sequencing from non-critical ambient lighting effects, meeting ASIL-B requirements without software partitioning complexity. |
Use Scenario: Real-time torque assist calculation and motor phase commutation in steer-by-wire systems. IC Role / Device Role / Timing Role: High-performance controller managing 3× 12-bit ADC sampling at 1 MSPS, eMIOS PWM generation with <100 ns jitter, and CAN FD feedback loop closure. Use Value: 192 KB TCM RAM and zero-wait I/D cache ensure sub-5 µs interrupt latency for motor current regulation - critical for PAS responsiveness and fault containment. |
| Vehicle Domain Controller | Advanced Driver Assistance System (ADAS) Sensor Hub |
|
Use Scenario: Aggregation and preprocessing of camera, radar, and ultrasonic sensor data before forwarding to central ADAS processor. IC Role / Device Role / Timing Role: Network hub interfacing via 6× FlexCAN FD, 2× Ethernet AVB/TSN, and 16× LPUART - synchronizing timestamps across heterogeneous sensors. Use Value: Hardware TRGMUX and BCTU enable precise cross-triggering between ADC conversions and eMIOS capture events - essential for time-aligned multi-sensor fusion. |
Use Scenario: Low-power monitoring of radar MMIC status, thermal sensors, and supply rail health in parking assist modules. IC Role / Device Role / Timing Role: Always-on subsystem controller using SIRC oscillator and STANDBY mode with wakeup on CAN/LIN activity or GPIO edge. Use Value: −40 °C to +125 °C operation and 2.97–5.5 V voltage range allow direct integration into radar front-end enclosures without derating or auxiliary regulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344NHT1VMMSR | ASIL-D lockstep dual-core variant with identical package, memory map, and peripheral set; adds redundant clock/voltage monitors and enhanced self-test coverage | Required for steering or braking functions where ASIL-D decomposition is mandated; not suitable for cost-sensitive BCMs | Select S32K344NHT1VMMSR when functional safety audit requires full ASIL-D evidence chain, including dual-core lockstep validation and extended diagnostic coverage |
| S32K322NHT1VMMSR | ASIL-B dual-core variant with 2 MB flash, 256 KB SRAM, and no QuadSPI or Ethernet - shares same CPU frequency and peripheral IP blocks | Targeted at entry-level domain controllers with reduced feature set; lacks external memory expansion and time-sensitive networking | Choose S32K322NHT1VMMSR for applications requiring dual-core performance but not external flash or Ethernet connectivity - reduces PCB layer count and BOM cost |
Compared with S32K324NHT1VMMSR, S32K344NHT1VMMSR adds ASIL-D certification artifacts and hardware redundancy at higher cost, while S32K322NHT1VMMSR trades memory capacity and interface bandwidth for lower price and power - all three share identical pinout and software compatibility within the S32K3xx family.
Availability
S32K324NHT1VMMSR is available at Aetrix Electronics and suitable for automotive body electronics, electric power steering systems, and vehicle domain controllers requiring stable component supply across extended product lifecycles.
Supply support for S32K324NHT1VMMSR 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 markets, with deep expertise in functional safety and embedded security.
The S32K3xx series was designed to extend NXP's automotive MCU portfolio with scalable Arm Cortex-M7 cores, ASIL-B/D compliance, and integrated hardware security - targeting next-generation zonal architectures and software-defined vehicles.
FAQ
What is the maximum operating frequency of the S32K324NHT1VMMSR?
The S32K324NHT1VMMSR features two independent Arm Cortex-M7 cores, each capable of running 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, with performance validated under worst-case silicon process, voltage, and temperature corners. The S32K324NHT1VMMSR achieves this using adaptive voltage scaling and dynamic clock gating controlled by its integrated Power Management Controller.
Does the S32K324NHT1VMMSR support CAN FD communication?
Yes, the S32K324NHT1VMMSR integrates six FlexCAN modules, each supporting CAN FD protocol with data bit rates up to 5 Mbps and classic CAN up to 1 Mbps. All channels support automatic protocol switching, flexible data length (up to 64 bytes), and built-in CRC protection. The S32K324NHT1VMMSR also provides dedicated message RAM with hardware acceptance filtering and transmit queue management to reduce CPU overhead in high-throughput networks.
What package type is used for the S32K324NHT1VMMSR?
The S32K324NHT1VMMSR is packaged in a MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed thermal pad. This package supports high-density routing for automotive PCBs and provides efficient thermal dissipation required for sustained dual-core operation at 160 MHz. Pin assignments are fully compatible with other S32K3xx variants in LQFP48, HDQFP100, HDQFP172, MAPBGA257, and MAPBGA289 packages - enabling scalable design reuse.
How does the S32K324NHT1VMMSR meet automotive functional safety requirements?
The S32K324NHT1VMMSR complies with ISO 26262 ASIL-B requirements through integrated hardware safety mechanisms: Fault Collection and Control Unit (FCCU), Clock Monitor Unit (CMU), two Software Watchdog Timers (SWT), and centralized error reporting via Error Management Unit (ERM). It includes MBIST/LBIST for memory testing, voltage/temperature monitors, and ECC on all memories. The S32K324NHT1VMMSR delivers certified safety documentation including FMEDA reports and safety manuals aligned with automotive OEM requirements.
What debug and trace capabilities does the S32K324NHT1VMMSR provide?
The S32K324NHT1VMMSR supports comprehensive debug and trace via Serial Wire JTAG Debug Port (SWJ-DP) with two-pin Serial Wire Debug (SWD). It includes Debug Watchpoint and Trace (DWT), Instrumentation Trace Macrocell (ITM), CoreSight AHB Trace Macrocell (HTM), and Embedded Cross Trigger (ECT) for multicore synchronization. Trace data is output via Serial Wire Output (SWO) with timestamping, enabling real-time instruction and data flow analysis without halting CPU execution. The S32K324NHT1VMMSR also supports Flash Patch and Breakpoints (FPB) for runtime code modification.
S32K324NHT1VMMSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 257-LFBGA
- Series:
- S32K3
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 160MHz
- Connectivity:
- CANbus, FlexIO, I2C, LINbus, QSPI, SAI, SENT, SPI, UART/USART
- Peripherals:
- DMA, I2S, WDT
- Number of I/O:
- 218
- 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K324NHT1VMMSR FAQ
1.How can I place an order for S32K324NHT1VMMSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K324NHT1VMMSR 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 S32K324NHT1VMMSR reliable?
The price and inventory of S32K324NHT1VMMSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K324NHT1VMMSR is usually 5 days.
3.What payment methods are accepted for S32K324NHT1VMMSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K324NHT1VMMSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K324NHT1VMMSR?
S32K324NHT1VMMSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K324NHT1VMMSR 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 S32K324NHT1VMMSR?
For technical support, including S32K324NHT1VMMSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K324NHT1VMMSR requirements.
6.How does Aetrix verify that S32K324NHT1VMMSR is sourced from the original manufacturer or authorized distributors?
All S32K324NHT1VMMSR 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 S32K324NHT1VMMSR meets industry standards.
7.What is the process for return or replacement of S32K324NHT1VMMSR?
All S32K324NHT1VMMSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K324NHT1VMMSR, 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 S32K324NHT1VMMSR part is unused and in its original packaging.
Return procedure for S32K324NHT1VMMSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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