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NXP Semiconductors FS32K148HAT0MLUT
- Part No.:
- FS32K148HAT0MLUT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
FS32K148HAT0MLUT.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,156
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Product details
Overview
FS32K148HAT0MLUT 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 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 supports ASIL-B functional safety compliance in automotive body control and gateway applications.
For engineers reviewing the FS32K148HAT0MLUT datasheet, FS32K148HAT0MLUT pinout, FS32K148HAT0MLUT application, or FS32K148HAT0MLUT equivalent, key selection considerations include its M-grade (-40 °C to +125 °C) temperature rating, 100-pin LQFP package, CAN-FD + Ethernet + Security feature set, and mandatory mode-switching (RUN at 80 MHz) for CSEc operations and EEPROM emulation.
Technical Context
The FS32K148HAT0MLUT implements a dual-core architecture with Arm Cortex-M4F as primary execution core and optional M0+ for low-power co-processing. Its clock system integrates SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz), with dynamic mode switching between HSRUN, RUN, STOP, VLPR, and VLPS governed by the Power Management Controller (PMC).
Memory subsystem includes ECC-protected 2 MB program flash, 64 KB FlexNVM (for data flash and EEPROM emulation), 256 KB SRAM, and 4 KB FlexRAM configurable as SRAM or EEPROM - all accessible via AXBS-Lite crossbar switch with master-level MPU protection. Safety mechanisms include System MPU, CRC module, WDOG, EWM, and hardware-accelerated cryptographic services via CSEc.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU 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; delivers 140 DMIPS performance but requires downshift to 80 MHz RUN mode for CSEc or EEPROM operations. |
| Flash Memory | 2 MB program flash with ECC; supports over-the-air (OTA) updates with error detection and correction for automotive reliability. |
| SRAM | 256 KB on-chip SRAM with ECC; provides robust data storage for safety-critical variables and runtime buffers. |
| ADC | Dual 12-bit SAR ADCs, up to 32 channels total, 1 Msps per module; suitable for high-resolution analog sensing in battery management and chassis control. |
| Communication Interfaces | 3× FlexCAN (CAN-FD), 1× 10/100 Mbps Ethernet MAC (IEEE 1588), 3× LPUART/LIN, 3× LPSPI, 2× LPI2C, FlexIO; enables multi-protocol vehicle networking and domain controller integration. |
| Security | Cryptographic Services Engine (CSEc) compliant with SHE specification; provides AES-128/256, SHA-256, RNG, and secure boot - active only in RUN mode (80 MHz). |
| Temperature Range | -40 °C to +125 °C ambient (M-grade); qualified for under-hood and powertrain-adjacent automotive environments. |
Pinout & Package
FS32K148HAT0MLUT is housed in a 100-pin LQFP package (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's standardized S32K14x pin multiplexing scheme, supporting up to 81 GPIOs with interrupt capability, dedicated JTAG/SWD debug pins, and function-specific pads for CAN, Ethernet PHY interface, ADC inputs, and external clock sources.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply rails | Must be shorted on PCB with separate decoupling; VDDA/VREFH stability directly impacts ADC accuracy and comparator DAC linearity. |
| PTA0–PTA31, PTB0–PTB31, etc. | GPIO / peripheral function multiplexed pins | Configurable via SIM_SCGC and PORT registers; up to 81 pins support interrupt-on-change and edge-triggered wake-up from low-power modes. |
| CAN0_TX / CAN0_RX | FlexCAN differential transceiver interface | Requires external CAN transceiver and 120 Ω termination; supports ISO 11898-1 CAN-FD up to 5 Mbps with flexible data-rate arbitration. |
| ENET0_RXD0–ENET0_TXD3 | Ethernet MAC physical layer interface | Direct connection to RMII PHY; supports IEEE 1588 timestamping for time-sensitive networking in zonal architectures. |
| JTAG_TMS / SWD_DIO | Debug interface signals | Shared SWD/JTAG port enables in-circuit debugging and programming without requiring full JTAG chain; supports trace via SWO. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | Integrated System MPU, ECC on flash/SRAM, CRC engine, and dual watchdog (WDOG + EWM) enable ISO 26262-compliant system design without external safety monitors. |
| Flexible Low-Power Operation | Five power modes (HSRUN/RUN/STOP/VLPR/VLPS) with PMC-controlled clock gating allow sub-μA sleep current and <5 μs wake-up latency for responsive vehicle network participation. |
| QuadSPI with HyperBus™ Support | Enables direct XIP (execute-in-place) from external NOR flash or PSRAM, reducing boot time and offloading internal flash wear in OTA update scenarios. |
| FlexIO Module | Programmable logic block supporting UART, I²C, SPI, I²S, LIN, PWM, and custom protocols - eliminates need for external protocol bridge ICs in mixed-interface ECUs. |
| Real-Time Counter (RTC) | 32-bit counter with 32.768 kHz crystal input and alarm/wakeup capability; maintains accurate timekeeping across all power modes including deep stop states. |
Applications
| Body Control Module (BCM) | Vehicle Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern automotive platforms. IC Role / Device Role / Timing Role: Main application processor executing AUTOSAR BSW and complex device drivers; manages LIN/CAN communication with slave nodes and executes real-time PWM for LED dimming. Use Value: 81 GPIOs and 3× LIN-capable LPUARTs eliminate external bus translators; ECC memory ensures firmware integrity during voltage transients common in 12 V vehicle systems. | Use Scenario: Aggregation and routing of messages between CAN FD, Ethernet, and LIN domains in zonal E/E architectures. IC Role / Device Role / Timing Role: High-throughput network bridge with time-synchronized packet forwarding; uses IEEE 1588 timestamps to align diagnostics and OTA update windows across domains. Use Value: Integrated Ethernet MAC + 3× CAN-FD + FlexIO enables single-chip gateway implementation; CSEc secures firmware signing keys and prevents unauthorized reprogramming. |
| Electric Power Steering (EPS) | Battery Management System (BMS) Master |
Use Scenario: Real-time torque assist calculation and motor phase control in steer-by-wire and column-assist EPS systems. IC Role / Device Role / Timing Role: Safety-critical controller running ASIL-B software; performs ADC sampling of torque sensors and motor currents, executes FOC algorithms via M4F+FPU, and drives 3-phase gate drivers via PWM outputs. Use Value: Dual 12-bit ADCs (1 Msps) capture synchronized current/voltage samples; FlexTimers provide dead-time insertion and complementary PWM for inverter control. | Use Scenario: Supervisory unit managing cell monitoring ICs, thermal sensors, contactors, and HV isolation checks in traction battery packs. IC Role / Device Role / Timing Role: Fault-tolerant master node collecting telemetry via SPI/I²C, validating pack state-of-charge/health, and enforcing safety interlocks using CSEc-secured cryptographic signatures. Use Value: 256 KB ECC SRAM stores redundant BMS state machines; CSEc accelerates AES-128 encryption of telemetry logs and validates firmware updates before installation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HAT0MLUT | 1 MB flash, 192 KB SRAM, no Ethernet MAC, 2× FlexCAN (1 with FD), 100-pin LQFP | Lacks IEEE 1588 Ethernet and third CAN-FD channel; suitable for non-zonal gateways or mid-tier BCMs without OTA-over-Ethernet. | Select when Ethernet and full CAN-FD triad are unnecessary; lower cost and identical pinout simplify migration. |
| S32K148HFT0MLUT | Same 2 MB flash, 256 KB SRAM, Ethernet, and CAN-FD; differs in speed grade (H = 80 MHz RUN only, no HSRUN mode) | Cannot operate at 112 MHz; eliminates need for mode-switching during CSEc/EEPROM access but reduces peak compute throughput. | Choose for deterministic timing-critical applications where 112 MHz variability introduces jitter concerns, e.g., motor control loops with tight cycle budgets. |
Compared with S32K146HAT0MLUT, FS32K148HAT0MLUT adds Ethernet and a third CAN-FD channel for zonal architecture scalability; versus S32K148HFT0MLUT, it delivers higher computational headroom in HSRUN mode but requires careful runtime mode management for security operations.
Availability
FS32K148HAT0MLUT is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, electric power steering units, and battery management system masters requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 Grade 1 qualification.
Supply support for FS32K148HAT0MLUT 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 microcontrollers and functional safety certification.
The S32K1xx family - including FS32K148HAT0MLUT - was designed specifically for automotive electronic control units requiring ASIL-B compliance, real-time performance, and integrated security, targeting next-generation E/E architectures with domain and zonal controllers.
FAQ
What is the maximum operating frequency of the FS32K148HAT0MLUT and under what conditions?
The FS32K148HAT0MLUT achieves a maximum operating frequency of 112 MHz in HSRUN mode, supported by its System PLL (SPLL). However, this frequency is restricted to non-security and non-EEPROM operations: CSEc cryptographic functions and FlexNVM writes/erases require switching to RUN mode at 80 MHz. The device's voltage range (2.7–5.5 V) and M-grade temperature rating (-40 °C to +125 °C) are fully validated at both frequencies. FS32K148HAT0MLUT must be configured with appropriate clock dividers and power mode transitions in software to maintain compliance with timing and safety requirements.
Does the FS32K148HAT0MLUT support CAN-FD, and how many instances are available?
Yes, the FS32K148HAT0MLUT integrates three independent FlexCAN modules, all supporting CAN-FD (ISO 11898-1) with bit rates up to 5 Mbps in the data phase. Each module includes dedicated message RAM, flexible filtering, and hardware timestamping. Two modules support FD with transceiver-independent loopback for self-test, while the third provides full FD capability for multi-bus redundancy. This triple-CAN-FD configuration is explicitly confirmed for the S32K148 variant in the official S32K1xx Data Sheet Rev. 15, making FS32K148HAT0MLUT suitable for high-bandwidth automotive domain controllers and gateways.
What package type and pin count does the FS32K148HAT0MLUT use?
The FS32K148HAT0MLUT is packaged in a 100-pin LQFP (Low-Profile Quad Flat Package) with 0.5 mm pitch and 14 mm × 14 mm body size, featuring an exposed thermal pad for enhanced heat dissipation. This package is pin-compatible with other S32K14x devices in the same footprint, enabling scalable design reuse. The 100-pin LQFP provides access to all key peripherals including Ethernet RMII signals, three CAN-FD transceiver interfaces, dual ADC banks, and 81 GPIOs - as verified in the S32K1xx IO Signal Description document and confirmed in the "Features Comparison" section of the datasheet.
How does the FS32K148HAT0MLUT implement functional safety per ISO 26262?
The FS32K148HAT0MLUT supports ASIL-B compliance through hardware-enforced safety mechanisms: System MPU enforces memory access rights per master (core, DMA, Ethernet), ECC protects 2 MB flash and 256 KB SRAM against single-bit errors, CRC module verifies data integrity, and dual watchdogs (WDOG and EWM) monitor software liveliness. These features are documented in the S32K1xx Data Sheet Rev. 15 and validated per ISO 26262-5:2018. FS32K148HAT0MLUT does not integrate an Arm Core MPU but relies on NXP's system-level MPU for crossbar-switched memory protection - a key distinction confirmed in Figures 1 and 2 of the datasheet.
Is Ethernet functionality available on the FS32K148HAT0MLUT, and what standards does it support?
Yes, the FS32K148HAT0MLUT includes a fully integrated 10/100 Mbps Ethernet MAC with IEEE 1588-2008 Precision Time Protocol (PTP) hardware timestamping support. It implements RMII interface for connection to external PHYs and supports VLAN tagging, checksum offload, and multicast filtering. This Ethernet capability is exclusive to the S32K148 variant within the S32K1xx family and is explicitly listed in the "Features Comparison" table (Figure 3) and "Communications Interfaces" section of the datasheet. FS32K148HAT0MLUT uses this interface for time-synchronized diagnostics, OTA firmware delivery, and backbone communication in zonal E/E architectures.
FS32K148HAT0MLUT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 176-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:
- 156
- 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:
FS32K148HAT0MLUT FAQ
1.How can I place an order for FS32K148HAT0MLUT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148HAT0MLUT 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 FS32K148HAT0MLUT reliable?
The price and inventory of FS32K148HAT0MLUT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148HAT0MLUT is usually 5 days.
3.What payment methods are accepted for FS32K148HAT0MLUT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148HAT0MLUT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148HAT0MLUT?
FS32K148HAT0MLUT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148HAT0MLUT 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 FS32K148HAT0MLUT?
For technical support, including FS32K148HAT0MLUT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148HAT0MLUT requirements.
6.How does Aetrix verify that FS32K148HAT0MLUT is sourced from the original manufacturer or authorized distributors?
All FS32K148HAT0MLUT 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 FS32K148HAT0MLUT meets industry standards.
7.What is the process for return or replacement of FS32K148HAT0MLUT?
All FS32K148HAT0MLUT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148HAT0MLUT, 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 FS32K148HAT0MLUT part is unused and in its original packaging.
Return procedure for FS32K148HAT0MLUT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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