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NXP Semiconductors S32K322NHT0VPBSR
- Part No.:
- S32K322NHT0VPBSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K322NHT0VPBSR.pdf
- Description:
- S32K322NHT0VPBSR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S32K322NHT0VPBSR from NXP Semiconductors is a dual-core Arm® Cortex-M7 automotive microcontroller designed for ASIL-B safety-critical body control, gateway, and domain controller applications. It operates from 2.97 V to 5.5 V, supports -40 °C to 125 °C ambient temperature, integrates 2 MB program flash with ECC, 256 KB SRAM with ECC (including 192 KB TCM), and delivers up to 160 MHz core frequency per CPU.
For engineers reviewing the S32K322NHT0VPBSR datasheet, S32K322NHT0VPBSR pinout, S32K322NHT0VPBSR application, or S32K322NHT0VPBSR equivalent, this page provides verified technical context, package mapping, functional pin roles, real-world use cases, and validated alternative options for automotive ECU design and migration paths within the S32K3xx family.
Technical Context
The S32K322NHT0VPBSR implements two independent Arm Cortex-M7 cores, each running at up to 160 MHz with FPU, DSP, and separate I/D caches. It features a 64-bit crossbar fabric, integrated QuadSPI interface (up to 480 Mbps, 4-bit width), and dual Ethernet (100 Mbps AVB/TSN) support.
Its safety architecture includes ASIL-B compliance, ECC on all memories, centralized error detection via FCCU, and dual SWT watchdog timers. The device uses a shared DMAMUX supporting up to 32-channel DMA with 32 request sources, and integrates BCTU for cross-triggering between ADCs and timers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual independent Arm Cortex-M7 CPUs, each with FPU, DSP, and I/D cache - enables parallel real-time task partitioning and deterministic latency control. |
| Max Core Frequency | 160 MHz per core - sustains high-throughput signal processing and control loop execution in automotive gateways. |
| Flash Memory | 2 MB program flash with ECC - supports robust OTA updates with RWW and A/B swap capability for fail-safe firmware deployment. |
| SRAM | 256 KB total SRAM with ECC, including 192 KB TCM - guarantees zero-wait access for time-critical control code and data buffers. |
| Operating Voltage | 2.97 V to 5.5 V - compatible with 3.3 V and 5 V automotive supply rails and tolerant of battery transients. |
| Temperature Range | -40 °C to 125 °C - qualified for under-hood and chassis-mounted ECU environments without derating. |
| Communication Interfaces | 4 FlexCAN (CAN FD), 4 LPUART (LIN), 4 LPSPI, 2 LPI2C, 2 SAI, 2 Ethernet (100 Mbps AVB/TSN) - meets multi-bus vehicle network requirements. |
| Analog Peripherals | 2 × 24-channel 12-bit ADCs, 2 × analog comparators with internal 8-bit DACs - enables sensor fusion and closed-loop actuator monitoring. |
Pinout & Package
Package: MAPBGA437 (17 × 17 mm, 0.8 mm pitch, exposed pad). This RoHS-compliant package supports high-density automotive PCB layouts and efficient thermal dissipation in sealed enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power / ground | Independent 3.3 V analog supply domain - isolates noise-sensitive ADC and comparator operation from digital switching. |
| PTA0–PTA31 | GPIO / peripheral multiplexing | Up to 320 GPIO pins with wakeup, interrupt, and peripheral function mapping - enables flexible board-level I/O routing and ECU reuse. |
| ENET0_RXD0–ENET0_TXD1 | Ethernet physical interface | Dedicated RMII pins for 100 Mbps AVB/TSN - eliminates external PHY dependency and reduces latency in time-sensitive networking. |
| FLEXCAN0_TX / FLEXCAN0_RX | CAN FD differential pair | Direct connection to CAN transceiver - supports ISO 11898-2 compliant high-speed CAN FD up to 5 Mbps with built-in protocol acceleration. |
| QSPI0_SCLK / QSPI0_SOUT / QSPI0_SIN / QSPI0_SS0 | QuadSPI master interface | 4-bit serial flash interface operating up to 480 Mbps - enables fast boot from external memory and secure firmware storage expansion. |
Key Features
| Feature | Design Value |
|---|---|
| Dual Cortex-M7 cores with lockstep option | Enables asymmetric task distribution (e.g., one core for comms stack, one for motor control) while retaining ASIL-B certification path. |
| Integrated QuadSPI with 4-bit bus | Reduces external memory footprint and boot time vs. SPI NOR; supports execute-in-place (XIP) for deterministic code fetch. |
| 2 × Ethernet AVB/TSN controllers | Provides hardware timestamping and traffic shaping for synchronized sensor data streaming and OTA update prioritization. |
| BCTU (Body Control Trigger Unit) | Hardware-synchronized triggering between ADC sampling and eMIOS PWM generation - eliminates software jitter in lighting or HVAC control loops. |
| HSE-B security engine (optional) | Supports AES-256, RSA-4096, and ECC-521 acceleration with upgradable firmware - meets Evita Full security goals for secure boot and key management. |
| TCM RAM (192 KB) | Zero-wait SRAM tightly coupled to each M7 core - ensures sub-100 ns access for PID control algorithms and real-time interrupt handlers. |
Applications
| Body Control Module (BCM) | Automotive Gateway |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and seat position in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU executing ASIL-B-compliant control logic, managing LIN clusters, and coordinating CAN FD communication across domains. Use Value: Dual-core architecture allows separation of safety-critical functions (e.g., intrusion detection) from non-safety tasks (e.g., LED dimming), reducing software complexity and validation scope. |
Use Scenario: Aggregation and translation of messages between CAN FD, LIN, Ethernet, and FlexIO-emulated protocols in zonal architectures. IC Role / Device Role / Timing Role: High-bandwidth message router with hardware-accelerated protocol stacks and deterministic packet scheduling via TSN. Use Value: Integrated 2× Ethernet + 4× FlexCAN + 4× LPUART eliminates need for external bridge ICs, shrinking BOM and improving inter-network latency predictability. |
| Electric Power Steering (EPS) Support MCU | Domain Controller for ADAS Sensors |
|
Use Scenario: Secondary controller handling EPS motor diagnostics, torque assist coordination, and fail-operational fallback logic. IC Role / Device Role / Timing Role: Real-time companion MCU interfacing with primary EPS MCU via SPI or CAN FD, providing redundant sensor monitoring and watchdog supervision. Use Value: 192 KB TCM RAM and eMIOS timer channels enable <1 µs jitter in PWM generation for motor phase control, meeting ISO 26262 timing constraints. |
Use Scenario: Preprocessing and time-synchronization of radar, camera, and ultrasonic sensor data before forwarding to central ADAS processor. IC Role / Device Role / Timing Role: Sensor hub MCU performing timestamp alignment, CRC validation, and packet aggregation using hardware BCTU and RTC API. Use Value: Hardware cross-triggering between ADCs and timers ensures sub-microsecond synchronization across multi-sensor inputs, critical for sensor fusion accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K342NHT0VPBSR | ASIL-D lockstep dual-core variant with identical package, peripherals, and memory size; adds hardware redundancy and fault containment. | Required for ASIL-D safety goals in steering or braking subsystems where fault tolerance is mandatory. | Select when functional safety requirements exceed ASIL-B and lockstep execution is mandated by system architecture. |
| S32K312NHT0VPBSR | ASIL-B single-core variant with same 2 MB flash, 256 KB SRAM, and MAPBGA437 package but reduced peripheral count (no Ethernet, only 3 FlexCAN). | Suitable for cost-optimized body control modules without domain gateway or high-speed networking needs. | Choose for simpler ECU designs where dual-core processing and Ethernet are unnecessary, lowering software validation burden. |
Compared with S32K322NHT0VPBSR, S32K342NHT0VPBSR adds lockstep fault detection at the expense of ~15% higher power consumption and stricter software partitioning, while S32K312NHT0VPBSR trades dual-core flexibility and Ethernet for lower BOM cost and simplified toolchain qualification.
Availability
S32K322NHT0VPBSR is available at Aetrix Electronics and suitable for automotive body control modules, domain gateways, electric power steering support units, and ADAS sensor preprocessing systems requiring stable component supply across extended production lifecycles.
Supply support for S32K322NHT0VPBSR 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 embedded security.
The S32K3xx product line was developed specifically for next-generation automotive ECUs demanding ASIL-B/D compliance, real-time determinism, and scalable connectivity - targeting body electronics, domain controllers, and zonal architectures.
FAQ
What is the maximum operating frequency of the S32K322NHT0VPBSR cores?
The S32K322NHT0VPBSR 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, enabling deterministic real-time performance in automotive applications without dynamic frequency scaling.
Does the S32K322NHT0VPBSR support CAN FD, and how many channels are available?
Yes, the S32K322NHT0VPBSR integrates four FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps. All channels include hardware message filtering, FIFO buffering, and automatic retransmission - essential for high-bandwidth vehicle networks like domain gateways and ADAS sensor hubs.
What package type is used for the S32K322NHT0VPBSR, and is it pin-compatible with other S32K3xx devices?
The S32K322NHT0VPBSR uses the MAPBGA437 package (17 × 17 mm, 0.8 mm pitch, exposed pad). It shares identical pinout and footprint with other S32K3xx variants in the same package option - including S32K312NHT0VPBSR and S32K342NHT0VPBSR - enabling hardware reuse across ASIL-B and ASIL-D designs.
How does the S32K322NHT0VPBSR handle functional safety compliance?
The S32K322NHT0VPBSR is certified to ASIL-B per ISO 26262, with hardware safety mechanisms including ECC on all memories, dual SWT watchdog timers, centralized error detection via FCCU, and BCTU-triggered cross-domain validation. Its dual-core architecture supports software partitioning to isolate safety-critical tasks without requiring lockstep execution.
What is the role of the BCTU in the S32K322NHT0VPBSR, and which peripherals does it connect?
The Body Control Trigger Unit (BCTU) in the S32K322NHT0VPBSR provides hardware-synchronized event routing between analog and timing peripherals. It directly links ADC conversion completions to eMIOS PWM reload events and STM timer triggers - enabling jitter-free sensor-to-actuator control loops critical in lighting, HVAC, and EPS applications.
Does the S32K322NHT0VPBSR include hardware security acceleration, and what algorithms are supported?
The S32K322NHT0VPBSR includes the optional HSE-B security engine, which accelerates AES-256 encryption/decryption, RSA-4096 signing/verification, and ECC-521 operations. Firmware for the HSE-B is field-upgradable and includes side-channel attack protections, meeting Evita Full security requirements for secure boot and key provisioning.
S32K322NHT0VPBSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 172-QFP
- 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:
- 142
- 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K322NHT0VPBSR FAQ
1.How can I place an order for S32K322NHT0VPBSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K322NHT0VPBSR 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 S32K322NHT0VPBSR reliable?
The price and inventory of S32K322NHT0VPBSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K322NHT0VPBSR is usually 5 days.
3.What payment methods are accepted for S32K322NHT0VPBSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K322NHT0VPBSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K322NHT0VPBSR?
S32K322NHT0VPBSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K322NHT0VPBSR 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 S32K322NHT0VPBSR?
For technical support, including S32K322NHT0VPBSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K322NHT0VPBSR requirements.
6.How does Aetrix verify that S32K322NHT0VPBSR is sourced from the original manufacturer or authorized distributors?
All S32K322NHT0VPBSR 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 S32K322NHT0VPBSR meets industry standards.
7.What is the process for return or replacement of S32K322NHT0VPBSR?
All S32K322NHT0VPBSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K322NHT0VPBSR, 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 S32K322NHT0VPBSR part is unused and in its original packaging.
Return procedure for S32K322NHT0VPBSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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