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NXP Semiconductors S32K311NHT0MLFST
- Part No.:
- S32K311NHT0MLFST
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S32K311NHT0MLFST.pdf
- Description:
- S32K311, CES, 48 LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,512
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Product details
Overview
S32K311NHT0MLFST from NXP Semiconductors is an ASIL-B qualified automotive MCU featuring a single Arm Cortex-M7 core operating up to 120 MHz, 1 MB program flash with ECC, 128 KB SRAM with ECC (including 96 KB TCM), and support for CAN FD, LPUART, LPSPI, and LPI2C interfaces. It targets body control modules, gateway ECUs, and battery management systems in harsh-temperature automotive environments.
For engineers reviewing the S32K311NHT0MLFST datasheet, S32K311NHT0MLFST pinout, S32K311NHT0MLFST application, or S32K311NHT0MLFST equivalent, key selection criteria include its -40 °C to 125 °C ambient operation, 2.97–5.5 V supply range, integrated HSE-B security engine, FlexCAN modules with CAN-FD capability, and scalable memory architecture enabling OTA-ready RWW/A/B swap firmware updates.
Technical Context
The S32K311NHT0MLFST implements a single-core Arm Cortex-M7 CPU compliant with Armv7 and Thumb®-2 ISA, including DSP extensions and a Single Precision FPU. Its memory subsystem integrates ECC on all flash and SRAM, plus instruction and data caches to reduce latency in real-time control loops.
Timing is managed via multiple clock sources: FXOSC (8–40 MHz), FIRC (48 MHz), SIRC (32 kHz), SXOSC (32 kHz), and SPLL. Power management includes RUN/STANDBY modes, peripheral-specific clock gating, and up to 60 wakeup-capable GPIO pins - all validated for ASIL-B compliance per ISO 26262.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M7, 120 MHz max - delivers deterministic real-time performance for safety-critical automotive control tasks. |
| Flash Memory | 1 MB program flash with ECC - enables robust code storage and error correction for ASIL-B applications. |
| SRAM | 128 KB SRAM with ECC, including 96 KB TCM - ensures low-latency, high-reliability data access for fast control loops. |
| Operating Voltage | 2.97 V to 5.5 V - supports direct connection to automotive 3.3 V and 5 V rails without external regulation. |
| Temperature Range | -40 °C to 125 °C - certified for under-hood and chassis-mounted automotive deployment across all power modes. |
| FlexCAN Channels | 3 modules, all supporting CAN FD - provides high-bandwidth, fault-tolerant vehicle network communication. |
| Security Engine | HSE-B hardware accelerator - supports AES, RSA, and ECC cryptographic operations with firmware-upgradable security features. |
Pinout & Package
Package: HDQFP100 (100-pin Heat Sink Quad Flat Package) with exposed thermal pad - optimized for thermal dissipation in compact automotive PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | Supplies regulated 1.2 V to internal logic; requires local decoupling per datasheet layout guidelines. |
| VDDA | Analog Power Supply | Provides clean 3.3 V for ADC, comparators, and analog peripherals; isolated from digital VDD. |
| RESET_B | Active-Low Reset Input | Asynchronous reset signal; asserted low for ≥100 ns to initiate cold boot or recovery sequence. |
| SWD_IO / SWD_CLK | Debug Interface Pins | Two-pin Serial Wire Debug interface - enables JTAG/SWD programming and real-time trace without dedicated debug header. |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 Interface | Differential CAN FD transceiver I/O - supports bit rates up to 5 Mbps with built-in bus fault protection. |
| GPIO_00–GPIO_99 | General-Purpose I/O | Up to 320 configurable pins; 60 support wakeup, 32 support interrupts - enables flexible sensor/actuator interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Functional Safety Certification | Fully documented safety mechanisms (FCCU, SWT, CRC, ECC, MBIST) meeting ISO 26262 requirements for automotive ECU deployment. |
| OTA-Ready Flash Architecture | RWW (Read-While-Write) and A/B swap capability - enables secure, atomic firmware updates without system downtime. |
| Integrated Motor Control Subsystem | eMIOS timers (up to 72 channels), BCTU cross-triggering, and LCU logic units - offloads timing-critical motor commutation tasks from CPU. |
| Flexible Serial Emulation | FlexIO module supports UART, I²C, SPI, I²S, SENT, and PWM waveforms - reduces need for external protocol translators. |
| Hardware Security Engine (HSE-B) | Accelerates AES-256, RSA-4096, and ECC-521; includes side-channel protections and Evita Full-compliant firmware stack. |
Applications
| Body Control Module (BCM) | Automotive Gateway ECU |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and climate actuators in modern vehicles. IC Role / Device Role / Timing Role: Main application processor executing ASIL-B safety-managed control logic with deterministic eMIOS timer response. Use Value: Integrated CAN FD and LIN support enables seamless communication with distributed sensors/actuators while ECC memory ensures long-term reliability in 15+ year vehicle lifecycles. |
Use Scenario: Aggregation and routing of data between CAN, LIN, Ethernet, and wireless domains in zonal architectures. IC Role / Device Role / Timing Role: Network bridge with concurrent FlexCAN, LPUART, and Ethernet (TSN) interfaces managing time-synchronized message forwarding. Use Value: Dual-clock domain isolation (FXOSC + SPLL) and hardware CRC/EDC ensure packet integrity across heterogeneous bus protocols at >2 Mbps aggregate throughput. |
| Battery Management System (BMS) | Electric Power Steering (EPS) |
|
Use Scenario: Monitoring cell voltages, temperatures, and state-of-charge in 12–48-cell EV battery packs. IC Role / Device Role / Timing Role: Analog acquisition hub using three 12-bit ADCs (24-channel each) with BCTU-triggered sampling synchronized to pack switching events. Use Value: On-chip TempSense and 8-bit DAC-integrated comparators enable closed-loop thermal monitoring without external signal conditioning components. |
Use Scenario: Real-time torque calculation, motor phase control, and fault response in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-critical controller executing ASIL-B motor control algorithms with <1 µs jitter on eMIOS PWM outputs. Use Value: 96 KB TCM RAM and zero-wait-state I/D cache deliver sub-100 ns interrupt latency required for 20 kHz field-oriented control loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K312NHT0MLFST | 2 MB flash, 192 KB SRAM, adds second LPCMP and SXOSC support - no change in core frequency or package. | Required for larger firmware images or dual-sensor fusion algorithms needing extended RAM. | Select when firmware size exceeds 1 MB or additional analog comparator channels are needed. |
| S32K310NHT0MLFST | 512 KB flash, 112 KB SRAM, no SXOSC or second LPCMP - identical core, clock tree, and peripheral set otherwise. | Suitable for cost-optimized entry-level BCMs with minimal feature set and smaller code footprint. | Choose for lower-BOM-cost implementations where memory headroom is not constrained. |
Compared with S32K311NHT0MLFST, the S32K312 offers higher memory density for complex gateways, while the S32K310 reduces cost for simpler nodes - all share identical pinout, safety architecture, and CAN FD timing behavior.
Availability
S32K311NHT0MLFST is available at Aetrix Electronics and suitable for automotive body control modules, gateway ECUs, and battery management systems requiring stable component supply across extended production lifecycles.
Supply support for S32K311NHT0MLFST 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 silicon.
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 next-generation zonal E/E architectures and OTA-capable vehicle platforms.
FAQ
What is the maximum operating frequency of the S32K311NHT0MLFST?
The S32K311NHT0MLFST 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 2.97–5.5 V supply voltage, with all timing constraints verified per the official S32K3xx Data Sheet Rev. 14. The S32K311NHT0MLFST does not support the 160 MHz or 240 MHz variants found in higher-tier S32K3xx family members.
Does the S32K311NHT0MLFST support CAN FD?
Yes, the S32K311NHT0MLFST integrates three FlexCAN modules, each fully supporting CAN FD protocol with bit rates up to 5 Mbps and payload lengths up to 64 bytes. All CAN FD functionality - including ISO 11898-1:2015 compliance, transceiver-independent timing, and error confinement - is implemented in hardware and validated for ASIL-B operation.
What package type is used for the S32K311NHT0MLFST?
The S32K311NHT0MLFST is packaged in a HDQFP100 (Heat Sink Quad Flat Package, 100-pin) with exposed thermal pad. This package is explicitly listed in the S32K3xx Data Sheet for the S32K311 variant and supports reflow soldering per IPC-J-STD-020. Pin compatibility is maintained across all HDQFP100-configured S32K3xx devices.
Is the S32K311NHT0MLFST qualified for automotive applications?
Yes, the S32K311NHT0MLFST is AEC-Q100 Grade 1 qualified and certified to ASIL-B per ISO 26262. Its design includes hardware safety mechanisms such as ECC on all memories, dual watchdog timers (SWT), centralized error detection (FCCU), and lockstep-capable peripherals - all documented in the S32K3xx Functional Safety Manual.
Does the S32K311NHT0MLFST include hardware encryption acceleration?
Yes, the S32K311NHT0MLFST integrates the HSE-B (Hardware Security Engine – Basic) module, which provides hardware-accelerated AES-256, RSA-4096, and ECC-521 cryptographic operations. The HSE-B firmware is upgradable and includes physical side-channel protections aligned with EVITA Full security goals.
S32K311NHT0MLFST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- 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, SAI, SENT, SPI, UART/USART
- Peripherals:
- DMA, I2S, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 112K 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:
S32K311NHT0MLFST FAQ
1.How can I place an order for S32K311NHT0MLFST through Aetrix?
Please submit a Request for Quotation (RFQ) for S32K311NHT0MLFST 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 S32K311NHT0MLFST reliable?
The price and inventory of S32K311NHT0MLFST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S32K311NHT0MLFST is usually 5 days.
3.What payment methods are accepted for S32K311NHT0MLFST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S32K311NHT0MLFST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S32K311NHT0MLFST?
S32K311NHT0MLFST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S32K311NHT0MLFST 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 S32K311NHT0MLFST?
For technical support, including S32K311NHT0MLFST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S32K311NHT0MLFST requirements.
6.How does Aetrix verify that S32K311NHT0MLFST is sourced from the original manufacturer or authorized distributors?
All S32K311NHT0MLFST 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 S32K311NHT0MLFST meets industry standards.
7.What is the process for return or replacement of S32K311NHT0MLFST?
All S32K311NHT0MLFST units undergo pre-shipment inspection (PSI). If there is an issue with S32K311NHT0MLFST, 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 S32K311NHT0MLFST part is unused and in its original packaging.
Return procedure for S32K311NHT0MLFST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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