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NXP Semiconductors S32K324NHT1MPBIT
- Part No.:
- S32K324NHT1MPBIT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K324NHT1MPBIT.pdf
- Description:
- IC MCU 32BIT 4MB FLASH 172QFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,665
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Product details
Overview
S32K324NHT1MPBIT 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, and QuadSPI up to 480 Mbps-designed for body control modules and domain controllers in electric vehicle powertrain gateways.
For engineers reviewing the S32K324NHT1MPBIT datasheet, S32K324NHT1MPBIT pinout, S32K324NHT1MPBIT application, or S32K324NHT1MPBIT equivalent, key selection considerations include dual-core lockstep readiness, 160 MHz core frequency, -40 °C to 125 °C ambient operation, and HDQFP172 package compatibility with automotive PCB layout constraints.
Technical Context
The S32K324NHT1MPBIT 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 to enable deterministic real-time control loops. It integrates a 64-bit crossbar switch fabric for concurrent memory and peripheral access.
Its safety architecture includes ECC on all memories, centralized error detection (FCCU), hardware watchdog timers (SWT), and XRDC-based memory protection-meeting ISO 26262 ASIL-B requirements without requiring lockstep configuration. The device supports full debug trace via SWD, ITM, DWT, and ETB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual independent Arm Cortex-M7 @ 160 MHz, with FPU, DSP, and 32 KB I-cache / 32 KB D-cache per core |
| 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 3.3 V and 5 V rails without external regulators |
| Temperature Range | -40 °C to +125 °C ambient-qualified for under-hood and battery management system environments |
| Communication | 6 FlexCAN (CAN FD), 16 LPUART (LIN-capable), 6 LPSPI, 2 LPI2C, 2 SAI, 1 Ethernet (100 Mbps AVB/TSN), 1 QuadSPI (480 Mbps, 4-bit) |
| Analog & Timing | 3 × 12-bit ADC (24-channel each), 3 × eMIOS (24-channel each), 32-bit RTC with autonomous periodic interrupt, BCTU for ADC/timer cross-triggering |
| Security & Safety | HSE-B security engine (AES acceleration), XRDC memory access control, VIRT_WRAPPER I/O protection, CRC module, 64-bit unique ID |
Pinout & Package
Package: HDQFP172 (172-pin Heat Sink Quad Flat Package) with exposed pad for thermal dissipation in high-power automotive applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDIO, VDD | Power supply inputs | Dedicated analog (VDDA), I/O (VDDIO), and core (VDD) rails enable noise isolation and mixed-signal integrity |
| FXOSC_IN/OUT | External crystal oscillator interface | Supports 8–40 MHz crystal for high-accuracy system clock generation and jitter-sensitive CAN/Ethernet timing |
| ETH_RMII_RXD[1:0], TXD[1:0] | Ethernet RMII physical layer interface | Enables 100 Mbps AVB/TSN connectivity with minimal external components and deterministic latency |
| CANFD_TX/RX[0:5] | FlexCAN FD transceiver pins | 6 independent CAN FD channels with configurable bit rates up to 5 Mbps for distributed ECU communication |
| QSPI_D[3:0], CLK, CS | QuadSPI bus interface | 4-bit data width and 480 Mbps throughput support external flash/RAM expansion with A/B swap for OTA updates |
| WAKEUP[0:59] | Wake-up input pins | 60 pins with configurable wake-up capability allow selective low-power mode exit without CPU intervention |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 cores with independent caches | Enables asymmetric task partitioning-e.g., one core for safety-critical motor control, the other for diagnostics and communication |
| 192 KB TCM RAM | Zero-wait-state tightly coupled memory ensures sub-100 ns interrupt response for fast control loops in battery management systems |
| QuadSPI with A/B swap and RWW | Supports seamless over-the-air firmware updates without halting real-time operation or losing sensor data |
| BCTU cross-trigger unit | Hardware-synchronized sampling of ADC conversions with eMIOS timer events eliminates software timing jitter in current sensing |
| XBAR 64-bit interconnect | Prevents bus contention between dual cores, DMA, and peripherals-guaranteeing deterministic memory bandwidth allocation |
| HSE-B with AES acceleration | Offloads cryptographic operations from CPU, enabling secure boot, encrypted CAN FD messages, and key provisioning without performance penalty |
Applications
| Body Control Module (BCM) | Electric Powertrain Gateway |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in BEV platforms. IC Role / Device Role / Timing Role: Primary MCU managing LIN/CAN FD communication with slave nodes and executing real-time PWM for LED dimming and motor drive. Use Value: Dual-core architecture isolates safety-critical door lock logic from non-critical HVAC UI tasks; 192 KB TCM ensures <5 µs response to crash-triggered hazard light activation. |
Use Scenario: Aggregation and routing of signals between battery management system (BMS), inverter, and vehicle controller in 800 V EV architectures. IC Role / Device Role / Timing Role: High-integrity gateway MCU performing protocol translation between CAN FD (BMS), Ethernet TSN (inverter), and LIN (cooling pump). Use Value: ASIL-B compliance and ECC-protected memory ensure fault-free message forwarding during voltage transients; QuadSPI enables field-upgradable routing tables. |
| ADAS Domain Controller Support | Charging Station Communication Hub |
|
Use Scenario: Secondary processing node handling sensor preprocessing, camera trigger synchronization, and diagnostic logging in entry-level ADAS domains. IC Role / Device Role / Timing Role: Offload subsystem for radar/LiDAR pre-processing using DSP extensions and BCTU-triggered ADC sampling. Use Value: Dual-core design allows dedicated core for time-critical sensor fusion (e.g., 10 kHz eMIOS PWM for camera strobe sync) while second core handles CAN FD diagnostics reporting. |
Use Scenario: Smart charging station controller interfacing with ISO 15118-compliant EVs, grid meters, and backend cloud services. IC Role / Device Role / Timing Role: Secure communications hub managing TLS-encrypted Ethernet, CAN FD vehicle handshake, and isolated RS-485 meter interface. Use Value: HSE-B accelerates AES-256 encryption for ISO 15118 certificate handling; 60 wake-up pins enable ultra-low-power monitoring of plug insertion events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344NHT1MPBIT | ASIL-D lockstep dual-core variant with identical memory, peripherals, and pinout; adds redundant core checking and enhanced safety mechanisms | Required for steering or braking domain controllers where ASIL-D decomposition is mandated | Select when functional safety requirements exceed ASIL-B; same PCB layout but higher safety certification overhead |
| S32K322NHT1MPBIT | ASIL-B dual-core variant with 2 MB flash, 256 KB SRAM (192 KB TCM), and no Ethernet or QuadSPI-lower cost and power envelope | Suitable for less complex gateways without TSN or external memory expansion needs | Choose for cost-sensitive body domain applications where 4 MB flash and Ethernet are unnecessary |
Compared with S32K324NHT1MPBIT, the S32K344NHT1MPBIT provides certified ASIL-D operation at the expense of higher BOM cost and qualification effort, while the S32K322NHT1MPBIT reduces memory and interface capability to meet lower-tier gateway requirements without compromising ASIL-B compliance.
Availability
S32K324NHT1MPBIT is available at Aetrix Electronics and suitable for automotive body control modules, electric powertrain gateways, and ADAS domain support applications requiring stable component supply across multi-year vehicle production cycles.
Supply support for S32K324NHT1MPBIT 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, high-performance automotive, industrial, and IoT solutions with deep expertise in functional safety and automotive-grade reliability.
The S32K3xx product line was designed specifically for next-generation automotive domain controllers and zonal architectures-delivering scalable performance, ASIL-B/D safety compliance, and integrated security from the silicon level.
FAQ
What is the maximum operating frequency of the S32K324NHT1MPBIT cores?
The S32K324NHT1MPBIT features two independent Arm Cortex-M7 cores, each capable of 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, with performance validated under worst-case silicon process, voltage, and temperature (PVT) corners. The S32K324NHT1MPBIT achieves this using adaptive voltage scaling and dynamic clock gating controlled by its integrated Power Management Controller.
Does the S32K324NHT1MPBIT support CAN FD, and how many channels are available?
Yes, the S32K324NHT1MPBIT integrates six FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps and protocol compliance with ISO 11898-1:2015. All six channels support flexible bit timing, programmable data field length (up to 64 bytes), and built-in error confinement-enabling robust communication in high-bandwidth automotive networks such as battery pack monitoring and inverter control. The S32K324NHT1MPBIT does not require external transceivers for basic operation, though they are needed for physical layer interfacing.
What package type is used for the S32K324NHT1MPBIT, and is it RoHS compliant?
The S32K324NHT1MPBIT is packaged in a HDQFP172 (Heat Sink Quad Flat Package) with 172 leads and an exposed thermal pad. This package meets JEDEC J-STD-020 moisture sensitivity level 3 and is fully RoHS compliant, lead-free, and halogen-free per NXP's environmental policy. The exposed pad enables efficient heat dissipation in thermally constrained automotive modules, and the package footprint is compatible with standard SMT reflow profiles used in automotive electronics manufacturing.
How does the S32K324NHT1MPBIT handle functional safety requirements for ASIL-B compliance?
The S32K324NHT1MPBIT achieves ASIL-B compliance through hardware-enforced safety mechanisms including ECC on all memories (flash, SRAM, TCM), centralized error detection via FCCU, dual independent watchdog timers (SWT), and memory protection units (MPU/XRDC). It includes self-test capabilities (MBIST/LBIST), clock and voltage monitors, and hardware-assisted lockstep readiness-though lockstep operation is optional and not required for ASIL-B. The S32K324NHT1MPBIT delivers these features without sacrificing performance or flexibility, making it suitable for body domain and gateway applications where deterministic behavior and fault containment are critical.
Is QuadSPI supported on the S32K324NHT1MPBIT, and what are its key capabilities?
Yes, the S32K324NHT1MPBIT includes one QuadSPI interface supporting up to 480 Mbps throughput with 4-bit data width, enabling high-speed external memory expansion for code or data storage. It supports A/B swap and Read-While-Write (RWW) functionality-critical for safe over-the-air (OTA) firmware updates. The QuadSPI controller is integrated into the XBAR fabric, allowing concurrent access by both CPU cores and DMA without arbitration delay. This capability is directly leveraged in the S32K324NHT1MPBIT for secure bootloader execution and runtime firmware patching in automotive gateways.
S32K324NHT1MPBIT 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:
S32K324NHT1MPBIT FAQ
1.How can I place an order for S32K324NHT1MPBIT through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K324NHT1MPBIT 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 S32K324NHT1MPBIT reliable?
The price and inventory of S32K324NHT1MPBIT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K324NHT1MPBIT is usually 5 days.
3.What payment methods are accepted for S32K324NHT1MPBIT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K324NHT1MPBIT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K324NHT1MPBIT?
S32K324NHT1MPBIT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K324NHT1MPBIT 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 S32K324NHT1MPBIT?
For technical support, including S32K324NHT1MPBIT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K324NHT1MPBIT requirements.
6.How does Aetrix verify that S32K324NHT1MPBIT is sourced from the original manufacturer or authorized distributors?
All S32K324NHT1MPBIT 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 S32K324NHT1MPBIT meets industry standards.
7.What is the process for return or replacement of S32K324NHT1MPBIT?
All S32K324NHT1MPBIT units undergo pre-shipment inspection (PSI). If there is an issue with S32K324NHT1MPBIT, 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 S32K324NHT1MPBIT part is unused and in its original packaging.
Return procedure for S32K324NHT1MPBIT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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