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NXP Semiconductors S32K312NVT0MPBST
- Part No.:
- S32K312NVT0MPBST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 172-QFP
- Datasheet:
-
S32K312NVT0MPBST.pdf
- Description:
- S32K312, 2MB FLASH, SINGLECORE
- Quantity:
- Payment:
- Shipping:
Inventory:2,614
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Product details
Overview
S32K312NVT0MPBST 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. It operates across -40 °C to 125 °C and targets body control modules, gateway ECUs, and chassis domain controllers.
For engineers reviewing the S32K312NVT0MPBST datasheet, S32K312NVT0MPBST pinout, S32K312NVT0MPBST application, or S32K312NVT0MPBST equivalent, key selection criteria include its 2 MB flash capacity, ASIL-B safety compliance, 120 MHz Cortex-M7 performance, integrated FlexCAN with CAN FD, and qualification for automotive harsh environments per AEC-Q100 Grade 1.
Technical Context
The S32K312NVT0MPBST implements a single-core Arm Cortex-M7 CPU with DSP extension and single-precision FPU, executing at up to 120 MHz with zero-wait-state I/D-TCM and cache. Its memory subsystem includes ECC-protected 2 MB flash and 256 KB SRAM (96 KB TCM), enabling deterministic real-time control loops.
It integrates three 12-bit ADCs (24-channel each), two eMIOS timer modules (24 channels each), BCTU for cross-triggering, and a Power Management Controller supporting RUN/STANDBY modes with peripheral clock gating - all aligned to ISO 26262 ASIL-B functional safety requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7, 120 MHz max - delivers deterministic real-time execution for automotive control tasks with DSP and FPU acceleration. |
| Flash Memory | 2 MB with ECC - enables robust firmware storage and OTA-ready RWW/A/B swap capability for fail-safe updates. |
| SRAM | 256 KB with ECC, including 96 KB TCM - ensures low-latency, high-integrity data access for time-critical control algorithms. |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to automotive battery rails with wide transient tolerance. |
| Temperature Range | -40 °C to 125 °C - qualified for under-hood and powertrain-adjacent applications per AEC-Q100 Grade 1. |
| Safety Certification | ISO 26262 ASIL-B compliant - includes hardware safety mechanisms (ECC, CRC, SWT, XRDC) and safety documentation support. |
| Communication Interfaces | Up to 3 FlexCAN (CAN FD), 4 LPUART, 4 LPSPI, 2 LPI2C - provides scalable connectivity for multi-node vehicle networks. |
Pinout & Package
Package: MAPBGA257 (11 × 11 mm, 0.5 mm pitch) with exposed pad - optimized for thermal dissipation in compact automotive PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog Power Supply | Provides clean 3.3 V supply to ADC, comparators, and analog reference circuitry; requires dedicated filtering. |
| VSSA | Analog Ground | Isolated ground return for analog peripherals to minimize noise coupling into sensitive measurement paths. |
| RTC_XTAL_IN / RTC_XTAL_OUT | 32 kHz Crystal Interface | Connects external 32 kHz crystal for autonomous RTC operation during STANDBY mode with ultra-low power consumption. |
| FXOSC_IN / FXOSC_OUT | 8–40 MHz External Oscillator | Supports high-accuracy system clock source for CAN FD timing, Ethernet, and real-time control loop synchronization. |
| ENET_RXD0 / ENET_TXD0 | Ethernet Data I/O | Direct RMII interface pins for 100 Mbps Ethernet AVB/TSN - requires impedance-controlled routing and PHY termination. |
| FSPI_DATA0–FSPI_DATA3 | QuadSPI Data Lines | Enable 4-bit parallel external memory expansion up to 480 Mbps - used for code shadowing or extended data logging. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Safety Architecture | Integrated hardware safety elements (ECC on all memories, CRC, SWT, XRDC, FMU) with safety manual and FMEDA report support. |
| On-chip Motor Control Subsystem | eMIOS timers + BCTU + LCU enable sensorless BLDC commutation and PWM generation without CPU intervention. |
| FlexIO Module | Configurable serial interface supporting UART, I²C, SPI, I²S, SENT, and custom protocols - reduces external component count. |
| OTA-Ready Flash | RWW (Read-While-Write) and A/B swap capability allow seamless firmware updates without application interruption. |
| Low-Power STANDBY Mode | Retains SRAM content and RTC operation while disabling CPU, flash, and most peripherals - draws <10 µA typical. |
Applications
| Body Control Module (BCM) | Vehicle Gateway ECU |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: Main application processor executing AUTOSAR-compliant BSW and application software with real-time scheduling. Use Value: 2 MB flash accommodates complex feature sets and future software updates; CAN FD enables high-bandwidth diagnostics and flashing. |
Use Scenario: Aggregation and routing of messages between CAN FD, LIN, and Ethernet domains in zonal architectures. IC Role / Device Role / Timing Role: Network bridge with protocol translation, firewall logic, and secure boot enforcement. Use Value: Dual CAN FD controllers and Ethernet MAC support concurrent high-speed domain communication; ASIL-B certification meets gateway safety requirements. |
| Chassis Domain Controller | Advanced Driver Assistance System (ADAS) Sensor Interface |
|
Use Scenario: Integration of brake-by-wire, steering angle sensing, and suspension control in electric platforms. IC Role / Device Role / Timing Role: Real-time controller managing closed-loop actuation with sub-100 µs latency via eMIOS and BCTU. Use Value: 96 KB TCM RAM ensures zero-wait instruction/data access for fast control loops; ECC-protected SRAM guarantees integrity of critical motion data. |
Use Scenario: Pre-processing raw signals from radar, camera, or ultrasonic sensors before forwarding to central ADAS processor. IC Role / Device Role / Timing Role: Signal conditioning and time-synchronized data acquisition using multiple ADCs and trigger mux (TRGMUX). Use Value: Three independent 12-bit ADCs with 24-channel input each enable simultaneous sampling of multiple sensor inputs; BCTU synchronizes ADC captures with PWM or timer events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K311NVT0MPBST | 1 MB flash, 128 KB SRAM (96 KB TCM), same core and peripheral set - lower memory density. | Suitable for cost-sensitive entry-level BCMs with reduced feature scope and no OTA requirement. | Select when firmware size remains under 1 MB and TCM usage fits within 96 KB; identical pinout enables drop-in replacement. |
| S32K314NVT0MPBST | 4 MB flash, 512 KB SRAM (96 KB TCM), adds QuadSPI and second Ethernet MAC - higher memory and interface bandwidth. | Targeted at next-gen gateways requiring external memory expansion and dual-network redundancy. | Choose when A/B OTA, external QSPI flash, or dual Ethernet are required; shares same MAPBGA257 package but not pin-compatible due to additional signal assignments. |
Compared with S32K312NVT0MPBST, the S32K311 offers lower memory cost for simpler applications, while the S32K314 extends scalability with QuadSPI and dual Ethernet - neither is pin-compatible with S32K312 beyond shared base footprint constraints.
Availability
S32K312NVT0MPBST is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateway ECUs, and chassis domain controllers requiring stable component supply, long lifecycle support, and AEC-Q100 Grade 1 qualification.
Supply support for S32K312NVT0MPBST 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, connected, and intelligent solutions for automotive, industrial, and IoT markets.
The S32K3xx family is designed specifically for automotive real-time control applications demanding ASIL-B/D compliance, functional safety, and robust operation in harsh electrical environments.
FAQ
What is the maximum operating frequency of the S32K312NVT0MPBST?
The S32K312NVT0MPBST features a single Arm Cortex-M7 core rated for up to 120 MHz operation. This frequency is achievable across the full -40 °C to 125 °C ambient temperature range and 2.97 V to 5.5 V supply voltage, with guaranteed timing closure and ECC-protected memory subsystem performance. The S32K312NVT0MPBST does not support frequencies above 120 MHz.
Does the S32K312NVT0MPBST support CAN FD?
Yes, the S32K312NVT0MPBST integrates up to three FlexCAN modules, each supporting CAN FD with bit rates up to 5 Mbps and flexible data field lengths. CAN FD operation is fully supported in both normal and loopback modes, with hardware message filtering, FIFO buffering, and error confinement - all verified per ISO 11898-1:2015.
What package type is used for the S32K312NVT0MPBST?
The S32K312NVT0MPBST is packaged in a MAPBGA257 (11 mm × 11 mm, 0.5 mm pitch) with exposed thermal pad. This package is explicitly listed in the S32K3xx datasheet for the S32K312 variant and supports reflow soldering per IPC/JEDEC J-STD-020. Pin assignment matches Figure 3 of the Rev. 14 datasheet.
Is the S32K312NVT0MPBST qualified for automotive use?
Yes, the S32K312NVT0MPBST is AEC-Q100 Grade 1 qualified (-40 °C to 125 °C) and ISO 26262 ASIL-B compliant. It includes hardware safety mechanisms such as ECC on all memories, CRC units, dual SWT timers, and XRDC-based memory protection - all documented in NXP's S32K3xx Functional Safety Manual.
Does the S32K312NVT0MPBST include hardware security features?
The S32K312NVT0MPBST includes the HSE-B (Hardware Security Engine-B) module supporting AES-128/256 encryption, SHA-256 hashing, and TRNG - though advanced asymmetric acceleration (RSA/ECC) is reserved for K388/K389 variants. Secure boot, key provisioning, and lifecycle management are enabled via HSE-B firmware and NXP's EdgeLock 2GO services.
S32K312NVT0MPBST 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
- 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:
S32K312NVT0MPBST FAQ
1.How can I place an order for S32K312NVT0MPBST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K312NVT0MPBST 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 S32K312NVT0MPBST reliable?
The price and inventory of S32K312NVT0MPBST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K312NVT0MPBST is usually 5 days.
3.What payment methods are accepted for S32K312NVT0MPBST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K312NVT0MPBST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K312NVT0MPBST?
S32K312NVT0MPBST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K312NVT0MPBST 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 S32K312NVT0MPBST?
For technical support, including S32K312NVT0MPBST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K312NVT0MPBST requirements.
6.How does Aetrix verify that S32K312NVT0MPBST is sourced from the original manufacturer or authorized distributors?
All S32K312NVT0MPBST 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 S32K312NVT0MPBST meets industry standards.
7.What is the process for return or replacement of S32K312NVT0MPBST?
All S32K312NVT0MPBST units undergo pre-shipment inspection (PSI). If there is an issue with S32K312NVT0MPBST, 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 S32K312NVT0MPBST part is unused and in its original packaging.
Return procedure for S32K312NVT0MPBST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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