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NXP Semiconductors S32K312NHT0VPBSR
- Part No.:
- S32K312NHT0VPBSR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K312NHT0VPBSR.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 172QFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,930
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Product details
Overview
S32K312NHT0VPBSR from NXP Semiconductors is an ASIL-B-certified automotive microcontroller 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 LPI2C interfaces - deployed in body control modules and electric power steering systems.
For engineers reviewing the S32K312NHT0VPBSR datasheet, S32K312NHT0VPBSR pinout, S32K312NHT0VPBSR application, or S32K312NHT0VPBSR equivalent, key selection criteria include its -40 °C to 125 °C ambient temperature range, 2.97 V–5.5 V supply voltage, dual-core-capable pin-compatible footprint, and integrated hardware security engine (HSE_B) supporting AES acceleration.
Technical Context
The S32K312NHT0VPBSR implements a single-core Arm Cortex-M7 CPU with Thumb®-2 ISA compliance, integrated DSP, single-precision FPU, and configurable NVIC - optimized for deterministic real-time control in automotive ECUs. It integrates ECC on all memory blocks (flash, SRAM, TCM), error detection on data paths, and centralized safety monitoring via FCCU and SWT modules.
Its clock system combines FXOSC (8–40 MHz), FIRC (48 MHz), SIRC/SXOSC (32 kHz), and SPLL for flexible low-power and high-performance operation. Peripheral clock gating and RUN/STANDBY power modes are managed by the PMC, enabling precise energy control without sacrificing wakeup latency or functional safety integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7, 120 MHz max - delivers deterministic real-time execution with zero-wait I/D-TCM for fast control loops. |
| Flash Memory | 2 MB program flash with ECC - enables robust OTA updates and A/B swap for fail-safe firmware deployment. |
| SRAM | 256 KB total SRAM with ECC, including 96 KB TCM - ensures low-latency data access critical for motor control and safety-critical tasks. |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to automotive battery rails (including cold-crank conditions down to 2.97 V). |
| Temperature Range | -40 °C to +125 °C - qualified for under-hood and transmission-control applications per AEC-Q100 Grade 1. |
| CAN Interface | 3 FlexCAN modules, all channels CAN FD capable - provides high-bandwidth, time-triggered communication for chassis and ADAS domains. |
| Security | HSE_B hardware security engine - accelerates AES-256, RSA-4096, and ECC-521; includes side-channel protection and Evita Full compliance. |
Pinout & Package
Package: HDQFP172 with exposed pad (EP). This thermally enhanced 172-pin quad flat package supports automotive-grade thermal dissipation and mechanical reliability in high-vibration environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog Power Supply | 3.3 V ±10% analog domain rail - powers ADC, comparators, and internal reference; requires dedicated filtering per layout guidelines. |
| VSSA | Analog Ground | Isolated analog ground plane - must be separated from digital ground and connected at single point near VDDA decoupling. |
| RESET_B | Active-Low Reset Input | Asynchronous reset signal - asserted low for ≥100 ns to initiate cold reset; compatible with external watchdog or power supervisor ICs. |
| CLKIN | External Clock Input | Accepts 8–40 MHz crystal or oscillator signal - feeds FXOSC for high-accuracy timing in CAN FD and Ethernet PHY synchronization. |
| ENET_RXD0 | Ethernet Receive Data 0 | LVDS-capable input for 100 Mbps AVB/TSN Ethernet - used in gateway and domain controller designs requiring time-synchronized networking. |
| FSPI_DATA0 | QuadSPI Data Line 0 | Bi-directional data line for QuadSPI interface - enables up to 480 Mbps external flash/RAM expansion with 4-bit data width. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Functional Safety Certification | Fully compliant with ISO 26262:2018 Part 5/6 - includes lockstep-ready architecture, MBIST/LBIST, centralized error management (FCCU), and dual SWT timers. |
| Hardware Security Engine (HSE_B) | On-die cryptographic accelerator supporting AES-256, RSA-4096, ECC-521, TRNG/PRNG, and firmware upgradability - meets EVITA Full security goals. |
| Flexible Memory Architecture | OTA-ready RWW flash with A/B swap, ECC-protected SRAM/TCM, and configurable cache - enables safe field updates and deterministic real-time response. |
| Automotive Network Integration | 3 CAN FD, 4 LPUART (LIN-capable), 4 LPSPI, 2 LPI2C, and FlexIO - supports multi-protocol communication across body, chassis, and gateway ECU roles. |
| Robust Analog Subsystem | Two 24-channel 12-bit ADCs, two analog comparators with integrated 8-bit DACs, and BCTU cross-triggering - enables sensor fusion and closed-loop actuator control. |
Applications
| Electric Power Steering (EPS) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time torque assist calculation, motor phase current sensing, and fault-tolerant CAN FD communication with ADAS domain. IC Role / Device Role / Timing Role: Primary safety-critical MCU executing ASIL-B control algorithms with deterministic 120 MHz Cortex-M7 execution and TCM-backed ISR latency. Use Value: Integrated ECC memory, dual SWT timers, and FCCU-based error handling ensure <100 ms fail-safe shutdown during sensor or bus faults. |
Use Scenario: Centralized control of lighting, door locks, HVAC, and window lift functions across multiple LIN subnets and CAN FD backbone. IC Role / Device Role / Timing Role: General-purpose automotive MCU managing mixed-signal I/O (ADC, GPIO, PWM), LIN transceivers, and secure firmware updates. Use Value: 320 GPIO pins with 60 wakeup-capable inputs and HSE_B-secured OTA enable seamless feature upgrades and fleet-wide diagnostics. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Gateway |
Use Scenario: Gear shift logic, clutch pressure control, and CAN FD communication with engine and brake ECUs in harsh under-hood environments. IC Role / Device Role / Timing Role: High-reliability MCU operating at 125 °C ambient with ECC-protected 2 MB flash and 256 KB SRAM for calibration storage and runtime variables. Use Value: Dual 12-bit ADCs with BCTU-triggered sampling achieve <1 µs jitter for precise solenoid current feedback in closed-loop control. |
Use Scenario: Aggregation and routing of camera, radar, and ultrasonic sensor data between domain controllers using CAN FD, Ethernet (100 Mbps), and FlexIO-emulated protocols. IC Role / Device Role / Timing Role: Secure network gateway MCU with hardware-accelerated AES encryption, XRDC memory protection, and virtualization wrapper for inter-domain isolation. Use Value: HSE_B and VIRT_WRAPPER enforce strict access control between safety-critical ADAS and infotainment domains, preventing unauthorized memory access. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K311NHT0VPBSR | 1 MB flash, 128 KB SRAM, same core frequency and peripheral set - lacks QuadSPI and second LPI2C module. | Targeted at cost-sensitive body electronics with lower memory requirements and no external flash expansion need. | Select when memory footprint and external memory interface are not required; retains identical pinout and software compatibility. |
| S32K314NHT0VPBSR | 4 MB flash, 512 KB SRAM, adds third 12-bit ADC, third eMIOS timer bank, and additional FlexIO channel - same package and core. | Suitable for higher-complexity chassis control applications requiring expanded sensor fusion and actuator control capacity. | Choose for future-proofing or applications needing >2 MB code space and extra analog/timer resources without changing PCB layout. |
Compared with S32K311NHT0VPBSR and S32K314NHT0VPBSR, the S32K312NHT0VPBSR delivers optimal balance of memory (2 MB flash / 256 KB SRAM), peripheral integration (3 FlexCAN, 4 LPUART), and thermal capability (-40 °C to 125 °C) for mid-tier automotive ECUs where cost and performance must coexist.
Availability
S32K312NHT0VPBSR is available at Aetrix Electronics and suitable for electric power steering, body control modules, transmission control units, and ADAS gateways requiring stable component supply across automotive production lifecycles.
Supply support for S32K312NHT0VPBSR 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 focused on automotive, industrial, and IoT applications, delivering secure, scalable, and energy-efficient silicon solutions.
The S32K3xx product line targets next-generation automotive electronic control units, emphasizing ASIL-B/D functional safety, hardware-accelerated security, and real-time deterministic performance for zonal and domain architectures.
FAQ
What is the maximum operating frequency of the S32K312NHT0VPBSR?
The S32K312NHT0VPBSR 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 full cache support, enabling deterministic execution for real-time automotive control tasks such as EPS and TCU. The S32K312NHT0VPBSR does not support the 160 MHz or 240 MHz variants found in higher-tier S32K3xx family members.
Does the S32K312NHT0VPBSR support CAN FD?
Yes, the S32K312NHT0VPBSR integrates three FlexCAN modules, and all channels support CAN FD protocol with bit rates up to 5 Mbps. This capability is confirmed in the S32K3xx Data Sheet Rev. 14 and enables high-bandwidth communication in modern automotive networks, including integration with ADAS and chassis domains. The S32K312NHT0VPBSR implements CAN FD without requiring external transceivers.
What package type is used for the S32K312NHT0VPBSR?
The S32K312NHT0VPBSR is packaged in a HDQFP172 with exposed pad (EP), a thermally enhanced 172-pin quad flat package designed for automotive under-hood reliability. This package shares pin compatibility with other S32K3xx devices in the same footprint family, enabling scalable design reuse across memory and peripheral variants like S32K311 and S32K314.
Is hardware security supported on the S32K312NHT0VPBSR?
Yes, the S32K312NHT0VPBSR includes the HSE_B hardware security engine, which supports AES-256, RSA-4096, ECC-521 acceleration, TRNG/PRNG, and firmware upgradability. It meets EVITA Full security goals and provides side-channel physical protection - confirmed in the S32K3xx Data Sheet Rev. 14 section "Reliability, safety and security".
What is the operating temperature range for the S32K312NHT0VPBSR?
The S32K312NHT0VPBSR is qualified for operation from -40 °C to +125 °C across all power modes, meeting AEC-Q100 Grade 1 requirements. This extended range supports deployment in demanding automotive locations including engine compartments, transmission housings, and brake control units - verified in the "Operating characteristics" section of the official datasheet.
S32K312NHT0VPBSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 172-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, Serial Audio, WDT
- Number of I/O:
- 143
- 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 ~ 105°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S32K312NHT0VPBSR FAQ
1.How can I place an order for S32K312NHT0VPBSR through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K312NHT0VPBSR 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 S32K312NHT0VPBSR reliable?
The price and inventory of S32K312NHT0VPBSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K312NHT0VPBSR is usually 5 days.
3.What payment methods are accepted for S32K312NHT0VPBSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K312NHT0VPBSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K312NHT0VPBSR?
S32K312NHT0VPBSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K312NHT0VPBSR 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 S32K312NHT0VPBSR?
For technical support, including S32K312NHT0VPBSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K312NHT0VPBSR requirements.
6.How does Aetrix verify that S32K312NHT0VPBSR is sourced from the original manufacturer or authorized distributors?
All S32K312NHT0VPBSR 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 S32K312NHT0VPBSR meets industry standards.
7.What is the process for return or replacement of S32K312NHT0VPBSR?
All S32K312NHT0VPBSR units undergo pre-shipment inspection (PSI). If there is an issue with S32K312NHT0VPBSR, 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 S32K312NHT0VPBSR part is unused and in its original packaging.
Return procedure for S32K312NHT0VPBSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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