NXP Semiconductors FX32K148HAT0MLLT
- Part No.:
- FX32K148HAT0MLLT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
FX32K148HAT0MLLT.pdf
- Description:
- S32K148 ARM CORTEX-M4F, 80 MHZ,
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
FX32K148HAT0MLLT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller designed for real-time control in safety-critical ECUs. It operates at up to 112 MHz (HSRUN mode), features 2 MB ECC-protected flash, 256 KB SRAM with ECC, and supports -40 °C to +125 °C ambient operation. Its integrated CSEc security engine, FlexCAN with CAN-FD, and IEEE-1588 Ethernet enable robust communication in vehicle body control and powertrain modules.
For engineers reviewing the FX32K148HAT0MLLT datasheet, FX32K148HAT0MLLT pinout, FX32K148HAT0MLLT application, or FX32K148HAT0MLLT equivalent, this page delivers verified technical context, package-specific pin mapping, functional alternatives, and supply-chain support tailored to automotive embedded design requirements - including ASIL-B readiness, flash write constraints in HSRUN mode, and temperature-grade validation.
Technical Context
The FX32K148HAT0MLLT implements a dual-core capable architecture with Arm Cortex-M4F core (112 MHz HSRUN / 80 MHz RUN) and optional M0+ co-processor support per family configuration. It integrates SPLL clock generation up to 112 MHz, FIRC/SIRC/LPO oscillators, and configurable power modes (HSRUN, RUN, STOP, VLPR, VLPS) with PMC-controlled voltage scaling and clock gating.
Its memory subsystem includes 2 MB program flash with ECC, 64 KB FlexNVM for EEPROM emulation, 256 KB SRAM with ECC, and 4 KB FlexRAM usable as SRAM or EEPROM backup. Safety mechanisms include System MPU (crossbar-level memory protection), CRC module, WDOG/EWM watchdogs, and CSEc cryptographic engine compliant with SHE specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with single-precision FPU and DSP extensions; enables deterministic real-time signal processing and floating-point math in motor control and sensor fusion. |
| Max Clock Frequency | 112 MHz in HSRUN mode (requires ≥2.97 V); 80 MHz in RUN mode; higher frequency enables faster loop execution but mandates mode switching for CSEc/EEPROM operations. |
| Flash Memory | 2 MB program flash with ECC; supports over-the-air (OTA) updates with error detection/correction for functional safety compliance. |
| SRAM | 256 KB on-chip SRAM with ECC; provides reliable data storage for critical variables and stack during runtime under transient fault conditions. |
| Operating Temperature | -40 °C to +125 °C ambient (M-grade); validated for under-hood automotive applications where thermal stress impacts timing margins and analog accuracy. |
| Security Engine | Cryptographic Services Engine (CSEc) implementing SHE-compliant AES-128, SHA-256, RNG, and secure boot; requires RUN mode (80 MHz) for key provisioning and flash writes. |
| Communication Peripherals | 3× FlexCAN (CAN-FD capable), 3× LPUART/LIN, 3× LPSPI, 2× LPI2C, 1× 10/100 Mbps Ethernet with IEEE-1588; supports multi-bus domain integration in distributed ECU architectures. |
Pinout & Package
FX32K148HAT0MLLT is packaged in a 100-pin LQFP (Leadless Quad Flat Package) with 0.5 mm pitch, optimized for automotive PCB layouts requiring thermal reliability and mechanical robustness. Pin assignment follows NXP's standardized S32K14x pinout matrix for 100-pin LQFP variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power supply and analog reference inputs | Must be decoupled locally; VDD/VDDA differential ≤ ±0.1 V ensures ADC linearity and I/O noise immunity per AN5032 guidelines. |
| RESET_B | Active-low reset input | Asynchronous reset assertion clears CPU state and initiates boot sequence; compatible with external watchdog monitors (EWM). |
| SWD_CLK, SWD_DIO | Serial Wire Debug interface | Enables non-intrusive debugging, flash programming, and trace via SWJ-DP; supports ITM/DWT/TPIU for real-time profiling. |
| CAN0_TX, CAN0_RX | FlexCAN channel 0 differential signals | Supports ISO 11898-1 CAN-FD up to 5 Mbps; requires external transceiver and termination for bus compliance. |
| ENET_RMII_RXD0–RXD1, TXD0–TXD1, REF_CLK | Ethernet MAC physical layer interface | 10/100 Mbps RMII interface with IEEE-1588 timestamping; requires precise 50 MHz reference clock and impedance-controlled routing. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | System MPU enforces crossbar-level memory access rights across CPU, DMA, and Ethernet masters; ECC on flash/SRAM detects/corrects single-bit errors per ISO 26262 requirements. |
| Flexible Power Management | Five low-power modes (HSRUN/RUN/STOP/VLPR/VLPS) with dynamic voltage/frequency scaling; enables <1 µA stop-current operation while retaining SRAM and RTC state. |
| QuadSPI with HyperBus™ | External memory interface supporting x4 DDR reads at up to 133 MHz; allows off-chip code execution and data logging without consuming internal flash bandwidth. |
| Dual ADC Subsystem | Two independent 12-bit SAR ADCs (1 Msps each, 32-channel total); supports synchronized sampling for motor phase current measurement and torque estimation. |
| FlexIO Programmable Interface | 8-pin module configurable as UART, SPI, I2C, I2S, LIN, or PWM; replaces discrete protocol translators and reduces BOM count in mixed-interface sensor hubs. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing ASW-compliant application software, managing LIN/CAN gateway functions, and performing real-time PWM dimming control. Use Value: 156 GPIOs and 3× LPUART/LIN interfaces enable direct connection to >20 LIN slaves; HSRUN mode ensures sub-100 µs response to safety-critical lock/unlock commands. |
Use Scenario: Closed-loop torque assist control with motor position feedback, torque sensor fusion, and fail-safe shutdown logic. IC Role / Device Role / Timing Role: Real-time controller running field-oriented control (FOC) algorithms at 10 kHz update rate, with ADC-triggered PWM dead-time insertion. Use Value: Dual 12-bit ADCs sample motor phase currents simultaneously; FlexTimers generate precise 3-phase PWM with hardware fault protection and emergency stop injection. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Vehicle Gateway Module |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Edge-processing node performing time-synchronized sensor fusion, CAN-FD message filtering, and diagnostic event logging. Use Value: IEEE-1588 Ethernet enables nanosecond-accurate timestamping across distributed sensors; CSEc secures firmware updates and sensor calibration data integrity. |
Use Scenario: Protocol translation between high-speed CAN-FD backbone, LIN subnets, and Ethernet-based OTA update infrastructure. IC Role / Device Role / Timing Role: Multi-protocol gateway MCU managing firewall rules, message routing tables, and secure boot chain verification. Use Value: Three independent FlexCAN modules support simultaneous CAN-FD (5 Mbps), legacy CAN (1 Mbps), and LIN (20 kbps); QuadSPI interfaces external flash for secure OTA image storage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HAT0MLLT | 1 MB flash, 192 KB SRAM, no Ethernet MAC or SAI; identical pinout and peripheral set except missing ENET/SAI blocks. | Suitable for cost-sensitive gateways or BCMs without Ethernet connectivity or audio processing needs. | Select when Ethernet and synchronous audio interfaces are unnecessary and BOM cost reduction is prioritized without sacrificing CAN-FD or security capability. |
| S32K148HAT0MLLR | Identical silicon and electrical specs; differs only in packaging format (Tape & Reel vs. Tray). | No functional or application difference; used interchangeably in automated SMT assembly lines requiring reel-fed feeders. | Choose based solely on manufacturing logistics - FX32K148HAT0MLLT is tray-packaged for manual or semi-automated prototyping; MLTR is reel-packaged for high-volume production. |
Compared with S32K146HAT0MLLT, FX32K148HAT0MLLT adds IEEE-1588 Ethernet and dual SAI for time-sensitive networking and audio telemetry, while S32K148HAT0MLLR offers identical functionality in tape-and-reel form factor for scalable production deployment.
Availability
FX32K148HAT0MLLT is available at Aetrix Electronics and suitable for automotive body control, electric power steering, ADAS sensor fusion, and vehicle gateway applications requiring stable component supply across extended product lifecycles.
Supply support for FX32K148HAT0MLLT 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 qualification standards.
The S32K1xx series was developed specifically for ASIL-B automotive applications, emphasizing real-time determinism, memory safety, cryptographic security, and extended temperature resilience in electronic control units.
FAQ
What is the maximum operating frequency of the FX32K148HAT0MLLT and under what conditions?
The FX32K148HAT0MLLT achieves up to 112 MHz in HSRUN mode, but only when supplied with ≥2.97 V and operating within -40 °C to +125 °C ambient range. At lower voltages or during CSEc cryptographic operations or EEPROM writes, it must drop to 80 MHz RUN mode to maintain functional integrity and avoid error flag assertion.
Does the FX32K148HAT0MLLT support CAN-FD, and how many channels are available?
Yes, the FX32K148HAT0MLLT integrates three FlexCAN modules, all supporting CAN-FD per ISO 11898-1 with data rates up to 5 Mbps. Each channel operates independently with dedicated message buffers, enabling concurrent communication on multiple vehicle networks without CPU intervention.
What safety certifications or architectural features does the FX32K148HAT0MLLT provide for automotive use?
The FX32K148HAT0MLLT is architected for ASIL-B compliance per ISO 26262, featuring System MPU for crossbar-level memory protection, ECC on flash and SRAM, dual watchdogs (WDOG/EWM), CRC module, and lockstep-capable peripherals. Its safety manual and FMEDA reports are available through NXP's Automotive Safety Resources portal.
Can the FX32K148HAT0MLLT execute CSEc security functions while running at 112 MHz?
No - CSEc cryptographic operations (e.g., AES encryption, key generation) and EEPROM write/erase commands are explicitly prohibited in HSRUN mode (112 MHz). The FX32K148HAT0MLLT must transition to RUN mode (80 MHz) before initiating any CSEc or FlexNVM programming sequence to prevent error flag triggering and ensure deterministic execution.
What package type and pin count does the FX32K148HAT0MLLT use, and is it pin-compatible with other S32K14x devices?
The FX32K148HAT0MLLT uses a 100-pin LQFP package with 0.5 mm pitch. It is pin-to-pin compatible with all other S32K14x and S32K14xW devices in the same 100-pin LQFP variant, allowing hardware reuse across performance tiers (e.g., K146/K148) and temperature grades (M/W) without PCB redesign.
FX32K148HAT0MLLT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- S32K
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 80MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, FlexIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, LVD, LVR, POR, PWM, WDT
- Number of I/O:
- 89
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 32x12b SAR; D/A 1x8b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FX32K148HAT0MLLT FAQ
1.How can I place an order for FX32K148HAT0MLLT through Aetrix?
Please submit a Request for Quotation (RFQ) for FX32K148HAT0MLLT 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 FX32K148HAT0MLLT reliable?
The price and inventory of FX32K148HAT0MLLT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FX32K148HAT0MLLT is usually 5 days.
3.What payment methods are accepted for FX32K148HAT0MLLT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FX32K148HAT0MLLT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FX32K148HAT0MLLT?
FX32K148HAT0MLLT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FX32K148HAT0MLLT 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 FX32K148HAT0MLLT?
For technical support, including FX32K148HAT0MLLT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FX32K148HAT0MLLT requirements.
6.How does Aetrix verify that FX32K148HAT0MLLT is sourced from the original manufacturer or authorized distributors?
All FX32K148HAT0MLLT 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 FX32K148HAT0MLLT meets industry standards.
7.What is the process for return or replacement of FX32K148HAT0MLLT?
All FX32K148HAT0MLLT units undergo pre-shipment inspection (PSI). If there is an issue with FX32K148HAT0MLLT, 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 FX32K148HAT0MLLT part is unused and in its original packaging.
Return procedure for FX32K148HAT0MLLT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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