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NXP Semiconductors FS32K148HET0MLQT
- Part No.:
- FS32K148HET0MLQT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
FS32K148HET0MLQT.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,392
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Product details
Overview
FS32K148HET0MLQT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with 2 MB flash, 256 KB SRAM, and integrated CSEc security engine. It operates at up to 112 MHz in HSRUN mode (−40 °C to +125 °C), supports CAN-FD, Ethernet (10/100 Mbps), and IEEE 1588 time synchronization, and targets body control modules and gateway ECUs.
For engineers reviewing the FS32K148HET0MLQT datasheet, FS32K148HET0MLQT pinout, FS32K148HET0MLQT application, or FS32K148HET0MLQT equivalent, this page delivers verified technical context, package mapping, real-world use scenarios, and validated alternative options for automotive functional safety designs requiring ASIL-B compliance, secure boot, and multi-protocol connectivity.
Technical Context
The FS32K148HET0MLQT implements a dual-core architecture with Arm Cortex-M4F as primary execution core and optional M0+ for low-power background tasks. It integrates SPLL for up to 112 MHz system clock, FIRC/SIRC/LPO oscillators for flexible power-mode transitions, and a crossbar switch enabling concurrent access to flash, SRAM, and peripherals by CPU and eDMA.
Its safety architecture includes System MPU enforcing memory region access rights per master (CPU, DMA, Ethernet), ECC on flash and SRAM, CRC module, internal WDOG, external EWM, and CSEc implementing SHE-compliant cryptographic functions - all aligned with ISO 26262 ASIL-B requirements for automotive control applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with single-precision FPU and DSP extensions; enables 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 supply when PLL active; enables high-throughput CAN-FD and Ethernet packet handling. |
| Flash / SRAM | 2 MB program flash with ECC, 256 KB SRAM with ECC; supports robust code storage and runtime data integrity in harsh automotive environments. |
| Temperature Grade | −40 °C to +125 °C ambient (M-grade); qualified for under-hood and transmission control applications with junction limit of 135 °C in RUN mode. |
| Security | Cryptographic Services Engine (CSEc) with SHE compliance; provides secure boot, key management, and AES/SHA/RSA acceleration without external crypto IC. |
| Connectivity | 3× FlexCAN (all with CAN-FD), 1× 10/100 Mbps Ethernet MAC with IEEE 1588, 3× LPSPI, 2× LPI2C, 3× LPUART/LIN; enables domain controller and vehicle network gateway functionality. |
| Analog Peripherals | 2× 12-bit ADC (1 Msps, up to 32 channels each), 1× analog comparator with 8-bit DAC; supports battery monitoring, sensor interface, and closed-loop actuator control. |
Pinout & Package
FS32K148HET0MLQT is housed in a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments are defined in the S32K1xx Reference Manual IO Signal Description sheets; pin count and function availability depend on package selection - the 144-pin variant supports full peripheral enablement including Ethernet RMII, dual CAN-FD, and all 156 GPIOs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power and reference supply inputs | Must be decoupled locally; VDD/VDDA differential ≤ ±0.1 V ensures ADC accuracy and I/O noise immunity per AN5032 guidelines. |
| RESET_B | Active-low reset input | Asynchronous, level-sensitive; initiates cold reset and clears all registers; compatible with external watchdog or power supervisor circuits. |
| SWD_CLK / SWD_DIO | Serial Wire Debug interface | Two-pin debug port supporting full JTAG/SWD functionality; enables non-intrusive firmware update and real-time trace via ITM/DWT/TPIU. |
| ENET_RXD0–3 / TXD0–3 | Ethernet physical layer interface | Supports RMII mode only (not MII); requires 50 Ω impedance-controlled routing and 50 MHz reference clock for IEEE 1588 timestamping. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Compatible with ISO 11898-1 transceivers; supports CAN-FD data rates up to 5 Mbps with bit-rate switching enabled in software. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | System MPU enforces memory protection across CPU, DMA, and Ethernet masters; ECC on flash/SRAM and lockstep-capable peripherals support fault containment. |
| Multi-Mode Power Management | Five power modes (HSRUN/RUN/STOP/VLPR/VLPS); HSRUN enables 112 MHz performance while RUN (80 MHz) permits CSEc operations and EEPROM emulation. |
| Secure Boot & Runtime Security | CSEc implements SHA-256, AES-128/256, RSA-2048, and secure key storage; prevents unauthorized firmware execution and enables encrypted OTA updates. |
| Flexible Timing Subsystem | 8× FlexTimer modules (64 PWM/IC/OC channels), LPIT (4-channel), RTC, PDB, and TRGMUX enable precise motor commutation, PWM generation, and synchronized sensor sampling. |
| High-Integration Analog Front-End | Dual 12-bit ADCs with hardware trigger chaining, window compare, and oversampling; CMP with integrated 8-bit DAC allows self-calibrating threshold detection. |
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 BSW and application SW; manages LIN/CAN clusters and drives PWM-based LED drivers. Use Value: 156 GPIOs and 8× FTM modules enable direct drive of >32 PWM outputs; CSEc secures firmware updates against tampering during service campaigns. |
Use Scenario: Aggregation and translation between CAN-FD, Ethernet, and LIN networks in zonal architectures. IC Role / Device Role / Timing Role: Network bridge with real-time packet filtering, protocol conversion, and IEEE 1588 time synchronization across domains. Use Value: Dual CAN-FD controllers and 10/100 Mbps Ethernet MAC allow concurrent high-speed backbone communication; FlexIO supports custom PHY adaptation if needed. |
| Electric Power Steering (EPS) Support MCU | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Secondary controller for torque assist calculation, motor phase current sensing, and fail-safe diagnostics in EPS systems. IC Role / Device Role / Timing Role: Safety monitor co-processor running independent ASIL-B diagnostics; validates primary MCU outputs and triggers safe state on fault. Use Value: Dual 12-bit ADCs sample motor currents at 1 Msps with hardware averaging; LPIT and PDB provide sub-microsecond timing for field-oriented control loops. |
Use Scenario: Local preprocessing and time-stamping of radar, camera, and ultrasonic sensor data before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Time-synchronized sensor aggregator using IEEE 1588 over Ethernet and hardware-triggered ADC sampling. Use Value: RTC with 32 kHz external clock input and LPIT channels enable µs-level timestamp alignment across heterogeneous sensors; CSEc encrypts raw sensor payloads for privacy compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HFT0MLQT | 1 MB flash, 192 KB SRAM, no Ethernet MAC, no SAI modules; same 144-pin LQFP package and M-grade temperature range. | Lacks IEEE 1588 Ethernet and audio interfaces; suitable for CAN/LIN-only gateways or mid-tier BCMs without time-critical networking. | Select when Ethernet and dual SAI are unnecessary and cost optimization is prioritized without sacrificing pin compatibility or safety features. |
| S32K148HRT0MLQT | Same 2 MB flash and peripherals but rated for −40 °C to +105 °C (V-grade); identical 144-pin LQFP package and HSRUN/RUN power modes. | Qualified for cabin and non-under-hood applications; lower thermal margin eliminates need for enhanced cooling in less demanding environments. | Choose for infotainment interfaces or telematics modules where extended temperature operation is not required and qualification cost must be minimized. |
Compared with FS32K148HET0MLQT, S32K146HFT0MLQT reduces memory and removes Ethernet to lower BOM cost in CAN-centric designs, while S32K148HRT0MLQT retains full feature set but trades thermal capability for qualification simplicity in interior applications.
Availability
FS32K148HET0MLQT is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateway ECUs, and electric power steering support systems requiring stable component supply, long-term lifecycle assurance, and ASIL-B compliant silicon.
Supply support for FS32K148HET0MLQT 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 MCU design.
The S32K1xx family - including FS32K148HET0MLQT - was engineered specifically for automotive electronic control units requiring ISO 26262 ASIL-B compliance, secure over-the-air updates, and mixed-signal integration in harsh operating environments.
FAQ
What is the maximum operating frequency of the FS32K148HET0MLQT and under what conditions?
The FS32K148HET0MLQT achieves up to 112 MHz in HSRUN mode, but this requires VDD ≥ 2.97 V when the SPLL is active. At lower voltages (≥2.7 V), operation is limited to 80 MHz in RUN mode. The device automatically transitions between modes based on voltage and software configuration, and HSRUN mode disables CSEc and EEPROM operations - those must execute in RUN mode.
Does the FS32K148HET0MLQT support IEEE 1588 Precision Time Protocol, and how is it implemented?
Yes, the FS32K148HET0MLQT supports IEEE 1588 through its integrated 10/100 Mbps Ethernet MAC. It includes hardware timestamping logic for transmit and receive packets, a 32-bit nanosecond-resolution timer, and dedicated registers for PTP frame parsing and correction. This enables sub-microsecond time synchronization across vehicle networks without external timestamping ICs.
Can the FS32K148HET0MLQT execute CSEc cryptographic operations while running at 112 MHz?
No. The FS32K148HET0MLQT cannot execute CSEc (Security) or EEPROM write/erase commands in HSRUN mode (112 MHz). Attempting such operations triggers error flags. The device must first transition to RUN mode (80 MHz) to perform secure boot validation, key derivation, AES encryption, or FlexNVM programming - a hardware-enforced restriction documented in the S32K1xx Data Sheet Rev. 15.
What package type and pin count does the FS32K148HET0MLQT use, and is it pin-compatible with other S32K14x devices?
The FS32K148HET0MLQT uses a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with thermal pad. All S32K14x devices sharing the same package - including S32K146HFT0MLQT and S32K148HRT0MLQT - are pin-to-pin compatible, enabling hardware reuse across memory and feature variants without PCB redesign.
How does the FS32K148HET0MLQT meet ASIL-B functional safety requirements?
The FS32K148HET0MLQT meets ASIL-B via integrated safety mechanisms: System MPU enforces memory access rights per bus master, ECC protects flash and SRAM, CRC module verifies data integrity, dual watchdogs (WDOG/EWM), and lockstep-capable peripherals. Its safety manual and FMEDA report confirm FIT rate and diagnostic coverage aligned with ISO 26262 Part 5 requirements for automotive control systems.
FS32K148HET0MLQT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- S32K
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, Ethernet, FlexIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- I2S, POR, PWM, WDT
- Number of I/O:
- 128
- 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:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K148HET0MLQT FAQ
1.How can I place an order for FS32K148HET0MLQT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148HET0MLQT 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 FS32K148HET0MLQT reliable?
The price and inventory of FS32K148HET0MLQT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148HET0MLQT is usually 5 days.
3.What payment methods are accepted for FS32K148HET0MLQT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148HET0MLQT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148HET0MLQT?
FS32K148HET0MLQT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148HET0MLQT 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 FS32K148HET0MLQT?
For technical support, including FS32K148HET0MLQT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148HET0MLQT requirements.
6.How does Aetrix verify that FS32K148HET0MLQT is sourced from the original manufacturer or authorized distributors?
All FS32K148HET0MLQT 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 FS32K148HET0MLQT meets industry standards.
7.What is the process for return or replacement of FS32K148HET0MLQT?
All FS32K148HET0MLQT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148HET0MLQT, 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 FS32K148HET0MLQT part is unused and in its original packaging.
Return procedure for FS32K148HET0MLQT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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