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NXP Semiconductors S32K324EHT1VPBST
- Part No.:
- S32K324EHT1VPBST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K324EHT1VPBST.pdf
- Description:
- S32K344, 4MB FLASH, ARM M7 LOCKS
- Quantity:
- Payment:
- Shipping:
Inventory:4,149
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Product details
Overview
S32K324EHT1VPBST 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 up to 480 Mbps. It targets body control modules, gateway ECUs, and chassis domain controllers in harsh automotive environments.
For engineers reviewing the S32K324EHT1VPBST datasheet, S32K324EHT1VPBST pinout, S32K324EHT1VPBST application, or S32K324EHT1VPBST equivalent, key selection considerations include dual-core real-time determinism, ASIL-B safety compliance, integrated FlexCAN with CAN FD, Ethernet TSN timing precision, and QuadSPI external memory expansion capability.
Technical Context
The S32K324EHT1VPBST implements two independent Arm Cortex-M7 cores at 160 MHz each, each with FPU, DSP, I/D-cache, and zero-wait-state TCM RAM-enabling deterministic motor control loops and concurrent safety-critical and application tasks. Its cross-triggering architecture tightly couples BCTU, ADC, eMIOS, and TRGMUX for synchronized sensor sampling and actuator timing.
Power management uses a simplified RUN/STANDBY mode controller with peripheral-specific clock gating; memory subsystem includes ECC on all flash and SRAM plus RWW A/B swap for OTA updates. Security relies on HSE-B hardware accelerator (AES-256, RSA-4096, ECC-521), XRDC access control, and virtualization wrapper for I/O protection.
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 low-latency real-time control. |
| Memory | 4 MB ECC program flash + 128 KB ECC data flash + 512 KB ECC SRAM (192 KB TCM) enabling safe, high-performance code/data separation. |
| Operating Voltage | 2.97 V to 5.5 V supply range supporting direct battery connection in 12 V automotive systems without external regulation. |
| Temperature Range | -40 °C to +125 °C ambient operation across all power modes, qualified for under-hood and transmission control applications. |
| Networking | 6 FlexCAN channels with full CAN FD support, 1 × 100 Mbps Ethernet (AVB/TSN), 16 LPUART, 6 LPSPI, 2 LPI2C, and 2 SAI for audio routing. |
| Analog & Timing | 3 × 24-channel 12-bit ADCs, 3 × eMIOS (72 PWM/IC/OC channels), 32-bit RTC with autonomous periodic interrupt, and BCTU for ADC/timer synchronization. |
| Security & Safety | HSE-B hardware security engine, ASIL-B compliance per ISO 26262, ECC/EDC/CRC protection, XRDC domain controller, and virtualization wrapper for I/O isolation. |
Pinout & Package
Package: MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed thermal pad (EP) for enhanced thermal dissipation in high-power automotive operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog Power / Ground | Independent analog supply pins for noise-isolated ADC reference and comparator operation. |
| FXOSC_IN / FXOSC_OUT | External Crystal Oscillator Interface | Supports 8–40 MHz crystal for high-accuracy system clock generation and PLL reference. |
| ETH_RMII_RXD0–RXD1 / TXD0–TXD1 | Ethernet RMII Data Lines | Direct 100 Mbps Ethernet interface with AVB/TSN timestamping capability for time-sensitive networking. |
| CAN0_TX / CAN0_RX – CAN5_TX / CAN5_RX | FlexCAN Transceiver Interfaces | 6 differential CAN FD channels with configurable bit rates up to 5 Mbps and built-in loopback for diagnostics. |
| QSPI_D0–D3 / QSPI_SCLK / QSPI_SS | QuadSPI Bus Signals | 4-bit wide, up to 480 Mbps external flash/RAM interface enabling A/B firmware swap and extended code storage. |
| WAKEUP0–WAKEUP59 | Low-Power Wake-Up Inputs | 60 dedicated wake-up capable pins supporting edge-triggered entry from STANDBY mode without CPU intervention. |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 Cores | Independent 160 MHz execution with separate caches and TCM enables parallel real-time task partitioning and fault containment. |
| ASIL-B Functional Safety | Integrated FCCU, SWT, CMU, EIM/ERM, and centralized error detection meet ISO 26262 requirements for automotive body/gateway systems. |
| QuadSPI External Memory | 4-bit bus at up to 480 Mbps supports fast boot from external flash and seamless A/B firmware update without runtime interruption. |
| FlexIO Module | 32-channel programmable serial interface emulates UART, SPI, I2C, I2S, SENT, and PWM-reducing need for external glue logic. |
| HSE-B Hardware Security | AES-256/RSA-4096/ECC-521 acceleration with firmware upgradability and side-channel protection meets EVITA Full security goals. |
Applications
| Body Control Module (BCM) | Automotive Gateway ECU |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicle architectures. IC Role / Device Role / Timing Role: Dual-core S32K324EHT1VPBST executes safety-monitored actuator drivers while managing LIN/UART communication to slave nodes and CAN FD messaging to central domain controllers. Use Value: Integrated eMIOS timers and BCTU enable precise PWM dimming and synchronized multi-channel ADC sampling for current-sense feedback across 24+ loads. |
Use Scenario: High-bandwidth bridging between CAN FD, Ethernet TSN, and LIN networks in zonal or domain-based vehicle architectures. IC Role / Device Role / Timing Role: S32K324EHT1VPBST acts as time-aware gateway core, forwarding time-stamped CAN frames to Ethernet using AVB/TSN scheduling and synchronizing clocks via IEEE 802.1AS. Use Value: Dual M7 cores isolate protocol stack processing from real-time packet forwarding, ensuring sub-10 µs latency for critical control messages. |
| Chassis Domain Controller | Advanced Driver Assistance System (ADAS) Sensor Hub |
Use Scenario: Integration of brake-by-wire, steering angle sensing, and suspension control in electric platforms requiring functional safety and deterministic response. IC Role / Device Role / Timing Role: S32K324EHT1VPBST runs ASIL-B compliant motor control algorithms on one core while monitoring sensor health and executing safety checks on the second core. Use Value: ECC-protected 512 KB SRAM with 192 KB TCM ensures zero-latency access to PID coefficients and lookup tables during 10 kHz control loops. |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before transmission to central ADAS processor. IC Role / Device Role / Timing Role: S32K324EHT1VPBST interfaces with multiple sensors via FlexIO-emulated protocols and performs time-aligned fusion using BCTU-triggered ADC sampling. Use Value: 3 × 24-channel 12-bit ADCs with hardware averaging and temperature compensation deliver calibrated analog inputs for sensor health diagnostics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K344EHT1VPBST | ASIL-D lockstep dual-core variant with identical package and pinout; adds redundant core checking and enhanced safety mechanisms. | Required for ASIL-D safety-critical functions like airbag deployment or steering assist where fault coverage >99% is mandated. | Select S32K344EHT1VPBST when ISO 26262 ASIL-D compliance is required; otherwise S32K324EHT1VPBST provides optimal cost/performance for ASIL-B domains. |
| S32K322EHT1VPBST | ASIL-B dual-core variant with 2 MB flash, 256 KB SRAM, and no Ethernet or QuadSPI-lower memory and peripheral count. | Suitable for cost-constrained body electronics with fewer network interfaces and no external memory expansion needs. | Choose S32K322EHT1VPBST for simpler gateways or BCMs without Ethernet or large firmware; S32K324EHT1VPBST adds scalability for future feature growth. |
Compared with S32K344EHT1VPBST, the S32K324EHT1VPBST delivers ASIL-B safety at lower cost and power, while retaining dual-core determinism and full CAN FD/Ethernet/QuadSPI capability; versus S32K322EHT1VPBST, it doubles flash/SRAM and adds critical interfaces needed for next-gen zonal architectures.
Availability
S32K324EHT1VPBST is available at Aetrix Electronics and suitable for automotive body control modules, gateway ECUs, and chassis domain controllers requiring stable component supply, long lifecycle support, and AEC-Q100 qualification.
Supply support for S32K324EHT1VPBST 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 automotive-grade reliability.
The S32K3xx product line was designed specifically for automotive domain and zonal controllers, extending the S32K1xx portfolio with higher performance, ASIL-B/D safety, advanced security, and scalable memory/peripheral integration for next-generation vehicle architectures.
FAQ
What is the maximum operating frequency of the S32K324EHT1VPBST?
The S32K324EHT1VPBST features two independent Arm Cortex-M7 cores, each operating 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 integrated PLL and clock supervision ensuring stable timing under automotive transients. The S32K324EHT1VPBST achieves deterministic real-time performance through zero-wait-state TCM RAM and hardware-accelerated peripherals.
Does the S32K324EHT1VPBST support CAN FD?
Yes, the S32K324EHT1VPBST integrates six FlexCAN modules, each fully supporting CAN FD with data rates up to 5 Mbps and flexible bit timing configuration. All six channels support protocol enhancements including extended data length (up to 64 bytes), improved error detection, and automatic bitrate switching-enabling high-throughput communication in modern automotive domain controllers and gateways.
What safety certifications does the S32K324EHT1VPBST hold?
The S32K324EHT1VPBST is certified to ASIL-B per ISO 26262, with integrated safety mechanisms including hardware error correction (ECC/EDC), centralized error management (FCCU, EIM/ERM), dual watchdog timers (SWT), and memory built-in self-test (MBIST). It also meets AEC-Q100 Grade 1 qualification for automotive temperature operation and includes safety documentation packages for functional safety development.
Can the S32K324EHT1VPBST interface with external flash memory?
Yes, the S32K324EHT1VPBST includes a QuadSPI interface supporting up to 480 Mbps transfer rate with 4-bit data width, enabling direct connection to external NOR/NAND flash or PSRAM. This allows A/B firmware swapping, over-the-air (OTA) updates without runtime interruption, and expansion beyond its on-chip 4 MB flash-critical for scalable automotive software-defined vehicle strategies.
What package type is used for the S32K324EHT1VPBST?
The S32K324EHT1VPBST is packaged in a MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with exposed thermal pad (EP), optimized for automotive thermal and mechanical robustness. This package supports high I/O count (320 GPIO), signal integrity for high-speed interfaces (Ethernet, QuadSPI), and reliable solder joint formation under thermal cycling conditions typical in under-hood applications.
S32K324EHT1VPBST 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:
S32K324EHT1VPBST FAQ
1.How can I place an order for S32K324EHT1VPBST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K324EHT1VPBST 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 S32K324EHT1VPBST reliable?
The price and inventory of S32K324EHT1VPBST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K324EHT1VPBST is usually 5 days.
3.What payment methods are accepted for S32K324EHT1VPBST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K324EHT1VPBST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K324EHT1VPBST?
S32K324EHT1VPBST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K324EHT1VPBST 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 S32K324EHT1VPBST?
For technical support, including S32K324EHT1VPBST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K324EHT1VPBST requirements.
6.How does Aetrix verify that S32K324EHT1VPBST is sourced from the original manufacturer or authorized distributors?
All S32K324EHT1VPBST 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 S32K324EHT1VPBST meets industry standards.
7.What is the process for return or replacement of S32K324EHT1VPBST?
All S32K324EHT1VPBST units undergo pre-shipment inspection (PSI). If there is an issue with S32K324EHT1VPBST, 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 S32K324EHT1VPBST part is unused and in its original packaging.
Return procedure for S32K324EHT1VPBST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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