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NXP Semiconductors S32K322EHT0MPAST
- Part No.:
- S32K322EHT0MPAST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-QFP
- Datasheet:
-
S32K322EHT0MPAST.pdf
- Description:
- S32K322, 2MB FLASH, 256K SRAM
- Quantity:
- Payment:
- Shipping:
Inventory:344
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Product details
Overview
S32K322EHT0MPAST from NXP Semiconductors is an ASIL-B dual-core Arm® Cortex-M7 automotive microcontroller operating up to 160 MHz, featuring 2 MB program flash with ECC, 256 KB SRAM (including 192 KB TCM), and dual-core lockstep-capable architecture for real-time control in body electronics and domain controllers.
For engineers reviewing the S32K322EHT0MPAST datasheet, S32K322EHT0MPAST pinout, S32K322EHT0MPAST application, or S32K322EHT0MPAST equivalent, this page delivers verified core frequency, memory configuration, safety rating, package mapping, and interface capabilities directly applicable to automotive ECU design, functional safety validation, and CAN FD/Ethernet gateway implementation.
Technical Context
The S32K322EHT0MPAST implements two independent Arm Cortex-M7 cores running at up to 160 MHz each, with separate I/D caches, FPU, and DSP extensions-enabling parallel real-time task execution while maintaining deterministic latency for motor control and sensor fusion. It integrates a 64-bit crossbar switch fabric, QuadSPI interface (up to 480 Mbps, 4-bit width), and dual 100 Mbps Ethernet AVB/TSN modules.
Its safety architecture includes ASIL-B compliance per ISO 26262, ECC on all memories, centralized error detection via FCCU, and dual SWT timers. The device supports full cross-triggering between ADCs, eMIOS timers, and BCTU for synchronized signal acquisition and actuation timing in chassis and powertrain subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual independent Arm Cortex-M7 @ up to 160 MHz - enables concurrent real-time tasks without shared resource contention |
| Flash Memory | 2 MB program flash with ECC - ensures code integrity in harsh automotive environments |
| SRAM | 256 KB total SRAM with ECC, including 192 KB TCM - guarantees low-latency CPU access for time-critical control loops |
| Operating Voltage | 2.97 V to 5.5 V - compatible with 3.3 V and 5 V automotive supply rails |
| Temperature Range | −40 °C to +125 °C - qualified for under-hood and transmission control applications |
| Safety Rating | ISO 26262 ASIL-B compliant - meets functional safety requirements for body control modules |
| Networking | 4 FlexCAN modules (CAN FD capable), 1 × 100 Mbps Ethernet (AVB/TSN), 4 LPUART - supports multi-protocol vehicle networking |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch) with exposed thermal pad - optimized for thermal dissipation in high-density automotive PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog Power Supply | 3.3 V analog domain supply; requires dedicated filtering for ADC/CMP reference stability |
| VSSA | Analog Ground | Isolated analog ground plane connection to minimize noise coupling into sensitive analog peripherals |
| RTC_XTAL_IN / RTC_XTAL_OUT | 32 kHz Crystal Interface | Connects external 32 kHz crystal for autonomous RTC operation during STANDBY mode |
| ENET0_RXD0–3 / ENET0_TXD0–3 | Ethernet Data I/O | Differential 100 Mbps RMII signals supporting AVB/TSN time-synchronized packet handling |
| FLEXCAN0_TX / FLEXCAN0_RX | CAN FD Transceiver Interface | Direct connection to external CAN transceiver; supports bit rates up to 5 Mbps with FD frame payload |
| QSPI0_SCLK / QSPI0_SDO / QSPI0_SDI / QSPI0_SS_B | QuadSPI Bus Signals | 4-bit serial interface enabling up to 480 Mbps external flash/RAM expansion with execute-in-place capability |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 Cores | Independent execution units allow separation of safety-critical and non-safety tasks without software partitioning overhead |
| 192 KB TCM RAM | Zero-wait-state tightly coupled memory ensures deterministic interrupt response <100 ns for motor control PWM updates |
| QuadSPI Interface | 4-bit wide bus supports up to 480 Mbps external memory access-enables A/B firmware swap for OTA updates |
| BCTU Cross-Trigger Unit | Hardware-synchronized sampling of ADC conversions with eMIOS timer events eliminates software jitter in sensor-to-actuator paths |
| HSE-B Security Engine | Hardware-accelerated AES-256, RSA-4096, and ECC-521 support secure boot and encrypted firmware updates |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators across multiple vehicle domains. IC Role / Device Role / Timing Role: Primary MCU managing LIN/UART-based slave nodes, executing PWM-driven motor control, and coordinating CAN FD communication with ADAS ECUs. Use Value: Dual-core architecture isolates diagnostics and communication stacks from real-time actuator control, meeting ASIL-B timing deadlines under full bus load. |
Use Scenario: Bridging torque sensor data, motor position feedback, and CAN FD commands between EPS motor controller and vehicle CAN backbone. IC Role / Device Role / Timing Role: Real-time gateway with hardware timestamping on CAN FD frames and synchronized ADC sampling of analog torque sensors. Use Value: BCTU-triggered ADC acquisition aligned to eMIOS PWM edges ensures sub-microsecond phase coherence between sensor input and motor output. |
| Vehicle Domain Controller (VDC) | Advanced Lighting Control Unit |
Use Scenario: Consolidating functions from legacy discrete ECUs-including seat control, climate, and infotainment interfaces-into a single scalable platform. IC Role / Device Role / Timing Role: High-performance host MCU running AUTOSAR Classic with dual-core load balancing and hardware virtualization wrapper (VIRT_WRAPPER) for memory protection. Use Value: 64-bit crossbar fabric enables concurrent access to flash, SRAM, and peripherals-eliminating bus arbitration delays during multi-threaded task execution. |
Use Scenario: Dynamic LED matrix control with adaptive beam shaping, ambient light sensing, and thermal derating based on junction temperature monitoring. IC Role / Device Role / Timing Role: Precision timing MCU driving high-resolution PWM outputs via eMIOS channels while reading ambient light ADCs and internal TempSense. Use Value: 24-channel eMIOS with 16-bit resolution and programmable dead-time insertion enables precise current regulation across 32+ LED strings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K342EHT0MPAST | ASIL-D lockstep dual-core variant with identical pinout and memory map; adds redundant core checking and enhanced fault coverage | Required for steering angle sensor or brake-by-wire systems demanding ASIL-D compliance | Select when functional safety certification requires lockstep redundancy and diagnostic coverage beyond ASIL-B |
| S32K312EHT0MPAST | ASIL-B single-core variant with 2 MB flash, same package and peripheral set but no dual-core execution capability | Suitable for cost-sensitive body control modules where task concurrency is not required | Choose for simplified software architecture and lower toolchain complexity in non-distributed control applications |
Compared with S32K322EHT0MPAST, the S32K342EHT0MPAST provides certified lockstep operation for ASIL-D systems, while the S32K312EHT0MPAST reduces core count and software overhead for linear control tasks-both retain identical I/O, memory layout, and packaging for seamless migration.
Availability
S32K322EHT0MPAST is available at Aetrix Electronics and suitable for automotive body electronics, domain controllers, and electric power steering gateways requiring stable component supply, long-term lifecycle assurance, and ASIL-B functional safety qualification.
Supply support for S32K322EHT0MPAST 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 MCUs.
The S32K3xx product line was designed specifically for next-generation automotive electronic control units-delivering scalable performance, ASIL-B/D safety compliance, and integrated security for zonal architectures and software-defined vehicles.
FAQ
What is the maximum operating frequency of the S32K322EHT0MPAST?
The S32K322EHT0MPAST features two independent Arm Cortex-M7 cores, each capable of 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 performance validated under worst-case silicon process, voltage, and temperature (PVT) corners. The S32K322EHT0MPAST achieves deterministic real-time behavior through zero-wait-state TCM and hardware-accelerated peripherals.
Does the S32K322EHT0MPAST support CAN FD communication?
Yes, the S32K322EHT0MPAST integrates four FlexCAN modules, each fully supporting CAN FD protocol with data rates up to 5 Mbps and payloads up to 64 bytes. These modules include built-in message RAM, hardware acceptance filtering, and time-triggered communication capabilities-enabling robust, high-bandwidth communication in modern automotive networks. The S32K322EHT0MPAST implements CAN FD without requiring external transceivers for physical layer signaling.
What package type is used for the S32K322EHT0MPAST?
The S32K322EHT0MPAST is packaged in a MAPBGA437 (17 mm × 17 mm, 0.8 mm pitch) with an exposed thermal pad. This package supports high I/O density (437 balls), efficient thermal dissipation for sustained 160 MHz dual-core operation, and compatibility with standard automotive PCB assembly processes. Pin-compatible variants exist in HDQFP172 and MAPBGA289 packages, but the S32K322EHT0MPAST specifically uses MAPBGA437.
Is the S32K322EHT0MPAST qualified for automotive applications?
Yes, the S32K322EHT0MPAST is AEC-Q100 Grade 1 qualified (−40 °C to +125 °C), ISO 26262 ASIL-B compliant, and designed for automotive body electronics, domain controllers, and gateway applications. It includes ECC on all memories, hardware watchdogs, voltage/temperature monitoring, and fault collection units (FCCU) to meet stringent automotive reliability and safety requirements. The S32K322EHT0MPAST undergoes full automotive qualification testing per NXP's production release criteria.
What debug interfaces does the S32K322EHT0MPAST support?
The S32K322EHT0MPAST supports Serial Wire Debug (SWD) via a 2-pin interface, plus full CoreSight debug and trace capabilities including SWO, ITM, DWT, HTM, and ETB. It enables real-time instruction tracing, hardware watchpoints, flash patching, and multicore synchronization via Embedded Cross Trigger (ECT). These features are accessible using standard JTAG/SWD debug probes and are fully supported by NXP S32DS IDE and third-party tools like Lauterbach TRACE32. The S32K322EHT0MPAST also includes SWV for streaming printf-style debug output without halting execution.
S32K322EHT0MPAST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-QFP
- Series:
- S32K3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 160MHz
- Connectivity:
- CANbus, FlexIO, I2C, I3C, LINbus, SAI, SENT, SPI, UART/USART
- Peripherals:
- DMA, I2S, WDT
- Number of I/O:
- -
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.97V ~ 5.5V
- Data Converters:
- A/D 24x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K322EHT0MPAST FAQ
1.How can I place an order for S32K322EHT0MPAST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K322EHT0MPAST 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 S32K322EHT0MPAST reliable?
The price and inventory of S32K322EHT0MPAST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K322EHT0MPAST is usually 5 days.
3.What payment methods are accepted for S32K322EHT0MPAST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K322EHT0MPAST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K322EHT0MPAST?
S32K322EHT0MPAST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K322EHT0MPAST 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 S32K322EHT0MPAST?
For technical support, including S32K322EHT0MPAST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K322EHT0MPAST requirements.
6.How does Aetrix verify that S32K322EHT0MPAST is sourced from the original manufacturer or authorized distributors?
All S32K322EHT0MPAST 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 S32K322EHT0MPAST meets industry standards.
7.What is the process for return or replacement of S32K322EHT0MPAST?
All S32K322EHT0MPAST units undergo pre-shipment inspection (PSI). If there is an issue with S32K322EHT0MPAST, 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 S32K322EHT0MPAST part is unused and in its original packaging.
Return procedure for S32K322EHT0MPAST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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