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NXP Semiconductors S32K312NHT0MPAIR
- Part No.:
- S32K312NHT0MPAIR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-QFP
- Datasheet:
-
S32K312NHT0MPAIR.pdf
- Description:
- S32K312NHT0MPAIR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S32K312NHT0MPAIR from NXP Semiconductors is an ASIL-B rated automotive MCU featuring a single Arm Cortex-M7 core operating up to 120 MHz, 2 MB program flash with ECC, 256 KB SRAM with ECC (including 96 KB TCM), and support for CAN FD, LPUART, LPSPI, and eMIOS timers - deployed in body control modules and gateway ECUs requiring robust real-time performance in harsh environments.
For engineers reviewing the S32K312NHT0MPAIR datasheet, S32K312NHT0MPAIR pinout, S32K312NHT0MPAIR application, or S32K312NHT0MPAIR equivalent, key selection criteria include its 120 MHz M7 core frequency, -40 °C to 125 °C ambient operation, 2.97–5.5 V supply range, ASIL-B functional safety compliance, and HDQFP100/LQFP48/MAPBGA package options.
Technical Context
The S32K312NHT0MPAIR implements a single-core Arm Cortex-M7 CPU with DSP extension and single-precision FPU, executing at up to 120 MHz with zero-wait I/D-TCM and cache to minimize latency in motor control and powertrain timing loops. Its memory subsystem includes ECC-protected 2 MB flash and 256 KB SRAM (96 KB TCM), enabling deterministic execution for safety-critical tasks.
Timing and control are managed via three eMIOS modules (72 timer channels), BCTU for ADC/timer cross-triggering, and TRGMUX for flexible event routing - all integrated within an XBAR-based 64-bit fabric supporting concurrent peripheral access without arbitration bottlenecks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7, 120 MHz max - delivers deterministic real-time response for ASIL-B body control and gateway functions. |
| Flash Memory | 2 MB with ECC - enables secure, reliable firmware storage with error correction for automotive lifecycle requirements. |
| SRAM | 256 KB with ECC, including 96 KB TCM - ensures low-latency data access for fast control loops and interrupt handling. |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to 3.3 V and 5 V automotive power domains without external regulators. |
| Temperature Range | -40 °C to 125 °C - qualified for under-hood and chassis-mounted applications per AEC-Q100 Grade 1. |
| Functional Safety | ASIL-B compliant - certified per ISO 26262 with hardware redundancy, centralized error detection, and FCCU/CMU safety monitors. |
| Communication | Up to 12 FlexCAN (CAN FD), 16 LPUART, 6 LPSPI, 2 LPI2C - enables multi-bus vehicle networking with LIN, CAN, and UART coexistence. |
Pinout & Package
Available in HDQFP100, LQFP48, MAPBGA257, MAPBGA289, and MAPBGA437 packages; S32K312NHT0MPAIR specifically uses the HDQFP100 package with exposed pad for thermal management in high-power automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog Power Supply | 3.3 V ±10% supply for ADC, comparators, and analog reference - requires local decoupling for noise immunity. |
| VSSA | Analog Ground | Dedicated analog return path isolated from digital ground to preserve 12-bit ADC accuracy. |
| RESET_B | Active-Low Reset Input | Asynchronous reset signal compatible with external watchdogs and power-on reset ICs. |
| CLKIN | External Clock Input | Accepts 8–40 MHz crystal or oscillator input for FXOSC - used for system clock derivation and CAN FD timing precision. |
| ENET_RXD0 | Ethernet Receive Data 0 | LVCMOS 3.3 V input for 100 Mbps AVB/TSN Ethernet - requires controlled impedance trace routing. |
| EPAD | Exposed Thermal Pad | Internally connected to VSS - must be soldered to PCB thermal plane for junction temperature control below 125 °C. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Security Engine (HSE-B) | Integrated AES accelerator and secure boot ROM - enables authenticated firmware updates and cryptographic key protection. |
| QuadSPI Interface | Supports up to 480 Mbps with 4-bit data width - allows external flash expansion while maintaining deterministic real-time access via cache coherency. |
| eMIOS Timer System | Three modules offering 72 independent channels for PWM, input capture, and output compare - eliminates need for external timer ICs in lighting and actuator control. |
| BCTU Cross-Trigger Unit | Hardware-synchronized ADC sampling and timer events - achieves sub-microsecond jitter for closed-loop motor control without CPU intervention. |
| FlexIO Module | Configurable serial interface emulating UART, SPI, I2S, SENT, or custom protocols - reduces BOM count by replacing discrete interface ICs. |
Applications
| Body Control Module (BCM) | Vehicle Gateway ECU |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC actuators in 12 V automotive platforms. IC Role / Device Role / Timing Role: Primary real-time controller managing 320 GPIOs, 12 FlexCAN channels, and eMIOS PWM outputs for actuator sequencing. Use Value: ASIL-B certification and ECC memory ensure fail-safe operation during voltage transients and EMI exposure in chassis-mounted locations. | Use Scenario: Protocol translation and message routing between CAN FD, LIN, and Ethernet domains in zonal architecture vehicles. IC Role / Device Role / Timing Role: Network bridge with 12 FlexCAN, 16 LPUART, and dual Ethernet interfaces - handles time-sensitive TSN traffic and legacy bus bridging. Use Value: Hardware-accelerated BCTU and TRGMUX enable deterministic cross-domain triggering for OTA update coordination and diagnostic message prioritization. |
| Electric Power Steering (EPS) Support MCU | Advanced Lighting Control Unit |
Use Scenario: Secondary controller monitoring torque sensor signals, motor current feedback, and EPS motor phase timing in dual-CPU safety architectures. IC Role / Device Role / Timing Role: Safety monitor running independent diagnostics on primary EPS MCU - uses dual ADCs, SWT timers, and CRC module for fault detection. Use Value: 12-bit ADC with hardware averaging and ECC-protected SRAM guarantee accurate sensor sampling and state retention during voltage dips. | Use Scenario: Adaptive LED headlight beam shaping using PWM-controlled matrix arrays and ambient light sensing in front-end modules. IC Role / Device Role / Timing Role: High-resolution PWM generator with 72 eMIOS channels driving 64+ LED strings - synchronized to camera frame timing via TRGMUX. Use Value: 120 MHz M7 core with TCM RAM executes real-time beam algorithms while maintaining <1 µs PWM edge jitter for flicker-free illumination. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K311NHT0MPAIR | 1 MB flash, 128 KB SRAM, same core and peripherals - lower memory density, identical pinout and package. | Targeted at cost-optimized BCMs with reduced feature set; lacks space for complex OTA update partitions. | Select when firmware size is <1 MB and TCM usage is <96 KB - retains full software compatibility and layout reuse. |
| S32K314NHT0MPAIR | 4 MB flash, 512 KB SRAM, adds QuadSPI and third ADC - higher memory, extended analog capability, same 100-pin HDQFP footprint. | Suitable for next-gen gateways requiring external flash for secure boot images and logging buffers. | Choose for future-proofing with larger code space and expanded peripheral concurrency - no PCB change required. |
Compared with S32K311NHT0MPAIR, the S32K312NHT0MPAIR provides double flash/SRAM capacity for complex diagnostics and OTA staging, while S32K314NHT0MPAIR adds QuadSPI and third ADC for scalable gateway designs - all share identical HDQFP100 pinout and ASIL-B safety architecture.
Availability
S32K312NHT0MPAIR is available at Aetrix Electronics and suitable for body control modules, vehicle gateway ECUs, electric power steering support units, and advanced lighting control systems requiring stable component supply across automotive production lifecycles.
Supply support for S32K312NHT0MPAIR 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 extends NXP's automotive MCU portfolio with Arm Cortex-M7 cores, ASIL-B/D certification, and integrated security engines - designed specifically for real-time, safety-critical vehicle domain controllers and zonal gateways.
FAQ
What is the maximum operating frequency of the S32K312NHT0MPAIR?
The S32K312NHT0MPAIR features a single Arm Cortex-M7 core rated for up to 120 MHz operation. This frequency is achieved with zero-wait-state I/D-TCM and cache, ensuring deterministic execution for real-time automotive control tasks such as body electronics sequencing and gateway message routing. The S32K312NHT0MPAIR maintains this speed across its full -40 °C to 125 °C operating range under 2.97–5.5 V supply conditions.
Does the S32K312NHT0MPAIR support CAN FD communication?
Yes, the S32K312NHT0MPAIR supports CAN FD on all 12 FlexCAN channels, with bit rates up to 5 Mbps in FD mode. Each channel includes dedicated message RAM, hardware filtering, and loopback self-test capability - enabling robust multi-node networking in modern vehicle architectures. The S32K312NHT0MPAIR integrates CAN FD controllers directly into its XBAR fabric for low-latency message handling without CPU overhead.
What package type is used by the S32K312NHT0MPAIR?
The S32K312NHT0MPAIR is packaged in a 100-pin HDQFP (Heat Dissipating Quad Flat Package) with exposed thermal pad. This package supports reflow soldering, provides mechanical stability for automotive vibration environments, and enables efficient heat dissipation through the EPAD connection to the PCB ground plane - critical for sustained operation at 125 °C ambient temperature.
Is the S32K312NHT0MPAIR certified for automotive functional safety standards?
Yes, the S32K312NHT0MPAIR is certified to ASIL-B per ISO 26262, with hardware safety mechanisms including ECC on all memories, centralized error collection unit (CEC), fault collection and control unit (FCCU), and dual SWT timers. These features are validated in the S32K3xx safety manual and supported by NXP's safety documentation package - making the S32K312NHT0MPAIR suitable for safety-critical body control and gateway applications.
What debug interfaces does the S32K312NHT0MPAIR support?
The S32K312NHT0MPAIR supports Serial Wire Debug (SWD) via a 2-pin interface, plus full CoreSight trace capabilities including SWO, ITM, DWT, HTM, and ETB. It also includes Flash Patch and Breakpoint (FPB) and Embedded Cross Trigger (ECT) for multicore synchronization - enabling non-intrusive real-time debugging, instruction tracing, and secure firmware validation during development and field diagnostics of the S32K312NHT0MPAIR.
S32K312NHT0MPAIR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-QFP
- Series:
- S32K3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M7
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, FlexIO, I2C, I3C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, WDT
- Number of I/O:
- 84
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128K x 8
- RAM Size:
- 192K 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:
S32K312NHT0MPAIR FAQ
1.How can I place an order for S32K312NHT0MPAIR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K312NHT0MPAIR 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 S32K312NHT0MPAIR reliable?
The price and inventory of S32K312NHT0MPAIR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K312NHT0MPAIR is usually 5 days.
3.What payment methods are accepted for S32K312NHT0MPAIR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K312NHT0MPAIR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K312NHT0MPAIR?
S32K312NHT0MPAIR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K312NHT0MPAIR 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 S32K312NHT0MPAIR?
For technical support, including S32K312NHT0MPAIR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K312NHT0MPAIR requirements.
6.How does Aetrix verify that S32K312NHT0MPAIR is sourced from the original manufacturer or authorized distributors?
All S32K312NHT0MPAIR 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 S32K312NHT0MPAIR meets industry standards.
7.What is the process for return or replacement of S32K312NHT0MPAIR?
All S32K312NHT0MPAIR units undergo pre-shipment inspection (PSI). If there is an issue with S32K312NHT0MPAIR, 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 S32K312NHT0MPAIR part is unused and in its original packaging.
Return procedure for S32K312NHT0MPAIR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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