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NXP Semiconductors FX32K148HAT0MLQT
- Part No.:
- FX32K148HAT0MLQT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
FX32K148HAT0MLQT.pdf
- Description:
- S32K148 ARM CORTEX-M4F, 80 MHZ,
- Quantity:
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Inventory:2,704
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Product details
Overview
FX32K148HAT0MLQT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with 2 MB flash, 256 KB SRAM (both with ECC), 112 MHz HSRUN/80 MHz RUN operation, and integrated CSEc security engine. It features dual 12-bit ADCs (32-channel total), three FlexCAN modules (CAN-FD capable), Ethernet MAC (10/100 Mbps with IEEE 1588), and operates from -40 °C to +125 °C - designed for body control modules and gateway ECUs requiring functional safety up to ASIL-B.
For engineers reviewing the FX32K148HAT0MLQT datasheet, FX32K148HAT0MLQT pinout, FX32K148HAT0MLQT application, or FX32K148HAT0MLQT equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use cases in automotive networking and secure firmware updates, and validated alternative parts with documented functional and thermal differences.
Technical Context
The FX32K148HAT0MLQT implements a dual-core architecture with Arm Cortex-M4F as primary execution core and optional M0+ for low-power background tasks. Its clock system integrates SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), LPO (128 kHz), and RTC_CLKIN (32 kHz), enabling precise timing across HSRUN, RUN, STOP, VLPR, and VLPS power modes.
Memory subsystem includes 2 MB program flash with ECC, 64 KB FlexNVM supporting EEPROM emulation, 256 KB SRAM with ECC, 4 KB FlexRAM, and 4 KB code cache. Peripheral set includes three LPUART/LIN, three LPSPI, two LPI2C, eight FlexTimers (64 PWM/IC/OC channels), LPIT, PDB, RTC, and QuadSPI with HyperBus™ support - all accessible via AXBS-Lite crossbar switch with eDMA and DMAMUX.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with Single Precision FPU and DSP extensions - enables real-time motor control and sensor fusion algorithms. |
| Max Clock Speed | 112 MHz in HSRUN mode (80 MHz in RUN mode) - supports high-throughput CAN-FD and Ethernet packet processing without throttling. |
| Flash / SRAM | 2 MB program flash + 256 KB SRAM, both with ECC - ensures data integrity in safety-critical automotive applications per ISO 26262. |
| ADC | Dual 12-bit SAR ADCs, up to 32 analog inputs total at 1 Msps - supports simultaneous sampling of multiple vehicle sensors (e.g., battery voltage, temperature, pressure). |
| Communication | 3× FlexCAN (CAN-FD capable), 1× 10/100 Mbps Ethernet MAC with IEEE 1588, 3× LPUART/LIN, 3× LPSPI, 2× LPI2C - enables multi-protocol vehicle networking and OTA update infrastructure. |
| Security | Cryptographic Services Engine (CSEc) compliant with SHE specification - provides hardware-accelerated AES-128, SHA-256, RNG, and secure boot key management. |
| Temperature Range | -40 °C to +125 °C ambient (M-grade) - qualified for under-hood automotive environments including junction box and gateway ECU locations. |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - supports industrial reflow, mechanical robustness, and standard PCB assembly processes. |
Pinout & Package
FX32K148HAT0MLQT is housed in a 100-pin LQFP package (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments are defined in the S32K1xx Reference Manual IO Signal Description sheets and validated for this exact orderable part number.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power supply and analog reference | 2.7–5.5 V main supply; VDDA must be shorted to VDD on PCB; VREFH ≤ VDDA + 0.1 V - ensures stable ADC accuracy across operating range. |
| RESET_B | Active-low reset input | Asynchronous reset signal; internal pull-up; compatible with external watchdog or power supervisor ICs like NCP380. |
| SWD_DIO / SWD_CLK | Serial Wire Debug interface | 2-pin debug port supporting full JTAG/SWD functionality - enables non-intrusive firmware debugging and flash programming during development and field service. |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 differential pair | Direct connection to external CAN transceiver (e.g., TJA1043); supports bit rates up to 5 Mbps in CAN-FD mode. |
| ENET0_RXD0–3 / TXD0–3 | Ethernet MAC physical layer interface | 8-bit RMII interface for 10/100 Mbps operation; requires external PHY (e.g., KSZ8081RNB) and IEEE 1588 timestamping support. |
| ADC0_SE0–31 | Analog input channels for ADC0 | 32 dedicated analog inputs mapped to pins across Port A–E - enables scalable sensor acquisition without external multiplexers. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | System MPU enforces memory protection at crossbar level; ECC on flash/SRAM; CRC module; dual watchdog (WDOG + EWM) - meets ISO 26262 requirements for fault detection and containment. |
| Multi-Mode Power Management | HSRUN/RUN/STOP/VLPR/VLPS modes with configurable clock gating - reduces active current to <10 mA at 80 MHz and standby current to 2.5 µA in VLPS mode. |
| FlexCAN with CAN-FD | Three independent FlexCAN modules, each supporting ISO 11898-1 FD frames up to 5 Mbps - enables high-bandwidth diagnostics, OTA updates, and domain controller communication. |
| Secure Boot & Firmware Updates | CSEc engine performs authenticated boot, AES-128 decryption, and SHA-256 signature verification - prevents unauthorized firmware execution and ensures end-to-end OTA update integrity. |
| Flexible Timing Resources | Eight FlexTimer modules (64 channels), LPIT (4 channels), PDB, RTC - supports complex PWM generation (e.g., 3-phase motor control), precise wake-up scheduling, and time-synchronized sensor sampling. |
| QuadSPI with HyperBus™ | External memory interface supporting x8/octal DDR mode - enables direct XIP execution from external flash (e.g., Micron MT25QL) to extend effective code space beyond 2 MB. |
Applications
| Body Control Module (BCM) | Automotive 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 BSW and application software; manages LIN/CAN communication with slave nodes and schedules real-time PWM outputs for motor drivers. Use Value: 156 GPIOs enable direct drive of >30 discrete loads; dual ADCs monitor battery voltage and cabin temperature; CSEc secures over-the-air configuration updates. |
Use Scenario: Aggregation and routing of messages between CAN FD, LIN, Ethernet, and FlexRay domains in zonal architectures. IC Role / Device Role / Timing Role: Network bridge with time-synchronized packet forwarding; uses IEEE 1588 timestamps from Ethernet MAC and RTC for deterministic latency control. Use Value: Three FlexCAN interfaces handle chassis, powertrain, and infotainment traffic; 10/100 Mbps Ethernet supports diagnostic logging and cloud connectivity; ASIL-B compliance meets OEM gateway safety requirements. |
| Electric Vehicle Battery Management System (BMS) Supervisor | Secure Telematics Control Unit (TCU) |
|
Use Scenario: High-voltage battery pack monitoring and isolation control in BEV/PHEV platforms. IC Role / Device Role / Timing Role: Safety monitor co-processor interfacing with analog front-end (AFE) ICs via SPI; validates cell voltage readings and triggers contactor disconnect via GPIO within <100 ms. Use Value: ECC-protected SRAM ensures integrity of critical state variables; CSEc signs safety-critical commands before transmission to AFE; -40 °C to +125 °C rating supports under-hood mounting. |
Use Scenario: Cellular-connected unit managing remote diagnostics, geofencing, emergency call (eCall), and encrypted vehicle data reporting. IC Role / Device Role / Timing Role: Secure host controller for SIM/eSIM, LTE modem, and GNSS receiver; performs TLS handshake acceleration and secure key storage using CSEc. Use Value: Hardware crypto offloads CPU during TLS 1.2/1.3 handshakes; 2 MB flash stores signed firmware images and certificate chains; FlexIO emulates proprietary modem control protocols. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HAT0MLQT | 1 MB flash, 192 KB SRAM, no Ethernet MAC or SAI - identical pinout and peripheral set otherwise. | Lacks IEEE 1588 Ethernet and audio interfaces; suitable for cost-sensitive gateways without cloud connectivity. | Select when Ethernet and SAI are unused and BOM cost reduction is prioritized without changing PCB layout. |
| S32K148HAT0MLHT | Same die and features, but in 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch) - adds 44 more GPIOs and extra CAN/LIN channels. | Supports higher I/O count for complex domain controllers; requires larger PCB footprint and different thermal design. | Choose when additional analog/digital I/O or redundant communication interfaces are required beyond 100-pin capacity. |
Compared with FX32K148HAT0MLQT, S32K146HAT0MLQT reduces memory and removes Ethernet to lower cost while maintaining pin compatibility, whereas S32K148HAT0MLHT expands I/O count and package size without altering core functionality - enabling scalable hardware platforms across vehicle tiers.
Availability
FX32K148HAT0MLQT is available at Aetrix Electronics and suitable for automotive body control modules, gateway ECUs, and battery management supervisors requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 Grade 1 qualification.
Supply support for FX32K148HAT0MLQT 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 Arm-based MCUs and functional safety certification.
The S32K1xx family - including FX32K148HAT0MLQT - was engineered specifically for automotive electronic control units requiring ASIL-B compliance, hardware security, and multi-protocol networking in harsh environments.
FAQ
What is the maximum operating frequency of the FX32K148HAT0MLQT and under what conditions?
The FX32K148HAT0MLQT operates at up to 112 MHz in HSRUN mode and 80 MHz in RUN mode. HSRUN mode requires VDD ≥ 2.97 V and ambient temperature ≤ +105 °C; RUN mode supports the full -40 °C to +125 °C range. The device automatically transitions between modes based on power management configuration and peripheral activity - for example, CSEc security operations require switching to RUN mode at 80 MHz.
Does the FX32K148HAT0MLQT support CAN-FD, and how many instances are available?
Yes, the FX32K148HAT0MLQT integrates three independent FlexCAN modules, each supporting CAN-FD (ISO 11898-1 FD) with bit rates up to 5 Mbps. All three modules are fully functional in the 100-pin LQFP package, with dedicated TX/RX pins assigned per channel and configurable message buffers via the CAN Message Buffer (MB) RAM.
What security features does the FX32K148HAT0MLQT provide, and how are they implemented?
The FX32K148HAT0MLQT includes the Cryptographic Services Engine (CSEc), which implements SHE-compliant functions: AES-128 encryption/decryption, SHA-256 hashing, true random number generation, and secure key storage. CSEc operates independently of the main CPU and enforces secure boot by validating digital signatures before executing firmware - all cryptographic operations occur in hardened hardware, not software.
Is the FX32K148HAT0MLQT pin-compatible with other S32K1xx devices, and which packages share the same footprint?
Yes, all S32K1xx devices sharing the 100-pin LQFP package - including FX32K148HAT0MLQT, S32K146HAT0MLQT, and S32K144HAT0MLQT - are pin-to-pin compatible. This allows hardware reuse across performance tiers; however, unused peripherals (e.g., Ethernet on S32K146) remain unconnected, and software must be configured to match the target device's feature set.
What is the temperature grade of the FX32K148HAT0MLQT, and what does the 'M' suffix indicate?
The 'M' in FX32K148HAT0MLQT denotes the extended automotive temperature grade: -40 °C to +125 °C ambient operating range. This grade is qualified per AEC-Q100 Grade 1 and supports operation in under-hood environments such as junction boxes and gateway ECUs where thermal stress exceeds standard commercial or industrial ranges.
Does the FX32K148HAT0MLQT include error-correcting code (ECC) protection, and where is it applied?
Yes, the FX32K148HAT0MLQT applies ECC to both 2 MB program flash memory and 256 KB on-chip SRAM. ECC detection and correction occur transparently during read/write cycles, preventing single-bit errors from corrupting code or data - a mandatory requirement for ISO 26262 ASIL-B compliance in safety-critical automotive software.
FX32K148HAT0MLQT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
FX32K148HAT0MLQT FAQ
1.How can I place an order for FX32K148HAT0MLQT through Aetrix?
Please submit a Request for Quotation (RFQ) for FX32K148HAT0MLQT 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 FX32K148HAT0MLQT reliable?
The price and inventory of FX32K148HAT0MLQT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FX32K148HAT0MLQT is usually 5 days.
3.What payment methods are accepted for FX32K148HAT0MLQT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FX32K148HAT0MLQT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FX32K148HAT0MLQT?
FX32K148HAT0MLQT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FX32K148HAT0MLQT 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 FX32K148HAT0MLQT?
For technical support, including FX32K148HAT0MLQT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FX32K148HAT0MLQT requirements.
6.How does Aetrix verify that FX32K148HAT0MLQT is sourced from the original manufacturer or authorized distributors?
All FX32K148HAT0MLQT 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 FX32K148HAT0MLQT meets industry standards.
7.What is the process for return or replacement of FX32K148HAT0MLQT?
All FX32K148HAT0MLQT units undergo pre-shipment inspection (PSI). If there is an issue with FX32K148HAT0MLQT, 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 FX32K148HAT0MLQT part is unused and in its original packaging.
Return procedure for FX32K148HAT0MLQT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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