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NXP Semiconductors FS32K148HET0CLQR
- Part No.:
- FS32K148HET0CLQR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
FS32K148HET0CLQR.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,458
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Product details
Overview
FS32K148HET0CLQR 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 (up to 32 channels each), three FlexCAN modules (with CAN-FD support), Ethernet MAC (10/100 Mbps with IEEE 1588), and 156 GPIOs - deployed in body control modules, gateway ECUs, and ADAS sensor fusion units.
For engineers reviewing the FS32K148HET0CLQR datasheet, FS32K148HET0CLQR pinout, FS32K148HET0CLQR application, or FS32K148HET0CLQR equivalent, this page delivers verified core architecture details, validated power mode behavior (HSRUN/RUN/STOP/VLPR/VLPS), confirmed safety mechanisms (ASIL-B capable MPU, CRC, WDOG, EWM), and precise package mapping for 144-pin LQFP - all aligned to S32K1xx Rev. 15 (5 March 2026).
Technical Context
The FS32K148HET0CLQR implements a dual-core-capable Arm Cortex-M4F CPU with single-precision FPU and DSP extensions, operating at up to 112 MHz in HSRUN mode (requiring ≥2.97 V supply when PLL engaged) and 80 MHz in RUN mode. Its memory subsystem includes 2 MB program flash with ECC, 64 KB FlexNVM for data flash/EEPROM emulation, and 256 KB SRAM with ECC - all protected by NXP's system-level MPU enforcing access rights per Crossbar master (Core, DMA, Ethernet).
Peripherals are organized via AXBS-Lite crossbar switch and DMAMUX (16-channel eDMA with 63 request sources). Critical timing resources include eight FlexTimer modules (64 total PWM/IC/OC channels), LPIT (4-channel 32-bit interrupt timer), RTC with 32 kHz external clock input, and PDB for synchronized analog trigger generation - all supporting deterministic real-time response in automotive control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F with FPU and DSP extensions - enables floating-point math and signal processing in motor control and sensor algorithms without external coprocessor. |
| Max Clock Frequency | 112 MHz (HSRUN mode), 80 MHz (RUN mode) - higher HSRUN speed supports time-critical communication stacks (e.g., CAN FD + Ethernet coexistence) but disables CSEc/EEPROM writes. |
| Flash / SRAM | 2 MB program flash + 256 KB SRAM, both with ECC - ensures ASIL-B compliance for safety-critical code/data storage in automotive applications. |
| ADC | Two 12-bit SAR ADCs, up to 32 inputs each, 1 Msps - supports simultaneous sampling of multiple sensors (e.g., battery voltage, temperature, current) in BMS or chassis control. |
| Communication | 3× FlexCAN (CAN-FD), 1× 10/100 Mbps Ethernet (IEEE 1588), 3× LPUART, 3× LPSPI, 2× LPI2C - enables multi-bus vehicle networking with time-synchronized messaging across domains. |
| Security | Cryptographic Services Engine (CSEc) compliant with SHE spec - provides AES-128, SHA-256, RNG, and secure boot key management for ECU authentication and firmware integrity. |
| Temperature Range | -40 °C to 125 °C ambient (M-grade) - qualified for under-hood deployment in engine control and transmission modules. |
Pinout & Package
FS32K148HET0CLQR is housed in a 144-pin LQFP package (10 × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions follow the S32K14x family assignment; all I/Os support interrupt capability and configurable pull-up/down. Power domains include VDD/VDDA (2.7–5.5 V), VREFH/VREFL (ADC reference), and dedicated debug pins (SWD_CLK, SWD_IO, RESET).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA | Core/analog supply inputs | Must be shorted on PCB with local decoupling; VDDA regulates ADC/CMP accuracy - deviation > ±0.1 V degrades linearity and offset. |
| SWD_CLK, SWD_IO | Serial Wire Debug interface | Enable non-intrusive JTAG/SWD debugging and flash programming; require 10 kΩ pull-up on SWD_IO for reliable reset detection. |
| FLEXCAN0_TX, FLEXCAN0_RX | CAN-FD physical layer interface | Direct connection to CAN transceiver (e.g., TJA1044); supports bit rates up to 5 Mbps with FD frame payload expansion. |
| ENET0_RXD0–3, ENET0_TXD0–3 | Ethernet MAC data lanes | Interface to external PHY (e.g., KSZ8081RNA); requires impedance-controlled 50 Ω traces and 100 Ω differential pairs for 100BASE-TX compliance. |
| ADC0_SE0–31 | Analog input channels | Support multiplexed sampling across 32 pins; internal 12-bit resolution maintained only when VDDA ≥ 2.7 V and reference noise < 10 mVpp. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Capable System MPU | NXP's crossbar-level MPU enforces memory region access rights per master (CPU, DMA, Ethernet), preventing unauthorized peripheral or memory access - required for ISO 26262-compliant software partitioning. |
| Flexible Power Modes | Five low-power states (HSRUN/RUN/STOP/VLPR/VLPS) with sub-μA STOP current; automatic clock gating per peripheral reduces dynamic power during idle cycles in telematics wake-on-LIN scenarios. |
| QuadSPI with HyperBus™ | Enables direct XIP execution from external NOR flash (up to 133 MHz DDR), eliminating boot latency and reducing internal flash wear in OTA update architectures. |
| FlexIO Module | Configurable logic block supporting UART/I²C/SPI/PWM waveforms - replaces discrete protocol translators in lighting control or legacy sensor interfacing without FPGA overhead. |
| Real-Time Counter (RTC) | 32-bit counter with 32 kHz external crystal input and tamper-detection alarm - maintains accurate timekeeping across power cycles for event logging and secure timestamping in fleet management systems. |
Applications
| Body Control Module (BCM) | Automotive Gateway ECU |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC actuators with LIN/CAN network bridging. IC Role / Device Role / Timing Role: Main application processor executing AUTOSAR BSW and application SW; FlexCAN handles chassis CAN, LPUART manages LIN slaves, FlexTimers drive PWM for LED dimming. Use Value: 156 GPIOs enable direct drive of 20+ loads; CSEc secures firmware updates over CAN; 125 °C rating allows placement near fuse box without derating. |
Use Scenario: Protocol translation between high-speed CAN FD (powertrain), Ethernet (ADAS camera), and LIN (sensors) in zonal architecture. IC Role / Device Role / Timing Role: Network bridge with time-synchronized packet forwarding; Ethernet MAC timestamps frames via IEEE 1588; FlexCAN buffers FD payloads; LPIT triggers periodic diagnostics. Use Value: Dual 12-bit ADCs monitor power rail health; 2 MB flash stores multiple gateway firmware variants; ASIL-B MPU isolates safety-critical routing logic from infotainment traffic. |
| Electric Power Steering (EPS) Controller | Battery Management System (BMS) Master |
Use Scenario: Real-time torque assist calculation using motor position, torque sensor, and vehicle speed inputs. IC Role / Device Role / Timing Role: Safety-critical control unit running QM/SIL2 software; FTM modules generate precise 3-phase PWM for motor drivers; ADCs sample current/voltage at 1 Msps. Use Value: HSRUN mode delivers 112 MHz deterministic loop execution; ECC memory prevents silent corruption in torque command path; EWM provides independent fail-safe watchdog. |
Use Scenario: Cell voltage, temperature, and current monitoring across 12–96 series cells with balancing control and SOC estimation. IC Role / Device Role / Timing Role: Data acquisition and state estimator; dual ADCs scan 64 cell voltages simultaneously; FlexRAM emulates EEPROM for calibration data; CSEc signs SOC reports. Use Value: 256 KB SRAM holds Kalman filter state vectors; FlexNVM stores lifetime cycle counters with wear leveling; -40 °C to 125 °C range supports under-hood pack mounting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HFT0MLHR | Same 144-pin LQFP package, M-grade (-40 °C to 125 °C), but 1 MB flash, 192 KB SRAM, and no Ethernet or SAI - lacks IEEE 1588 timing and audio interface. | Targeted at cost-sensitive gateway or chassis controllers where Ethernet is unnecessary; suitable for CAN/LIN-only networks. | Select when Ethernet and SAI are unused - reduces BOM cost while retaining identical pinout, power modes, and CSEc security. |
| FS32K148HRT0MLQR | Identical die and feature set, but R-grade (-40 °C to 105 °C) and 100-pin LQFP package - lower thermal rating and 44 fewer GPIOs than FS32K148HET0CLQR. | Applicable in cabin modules (e.g., HVAC control) where ambient temperature stays below 105 °C and I/O count is ≤112. | Choose for interior applications with relaxed thermal requirements and space-constrained layouts - same core/peripheral IP, reduced footprint. |
Compared with FS32K148HET0CLQR, the S32K146HFT0MLHR offers identical safety architecture and CAN-FD capability at lower memory density and no Ethernet, while the FS32K148HRT0MLQR retains full peripheral functionality but trades thermal robustness and I/O count for smaller package size - enabling tiered design reuse across vehicle domains.
Availability
FS32K148HET0CLQR is available at Aetrix Electronics and suitable for automotive body control, gateway ECU, and electric power steering applications requiring stable component supply, long-term lifecycle assurance, and ASIL-B compliant silicon.
Supply support for FS32K148HET0CLQR 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 focused on automotive, industrial, and IoT applications, delivering secure, energy-efficient processors and connectivity solutions.
The S32K1xx family - including FS32K148HET0CLQR - was designed specifically for automotive electronic control units, emphasizing functional safety (ISO 26262 ASIL-B), security (SHE-compliant CSEc), and real-time determinism in harsh environments.
FAQ
What is the maximum operating frequency of the FS32K148HET0CLQR and under what conditions?
The FS32K148HET0CLQR operates at up to 112 MHz in HSRUN mode and 80 MHz in RUN mode. HSRUN mode requires VDD ≥ 2.97 V when the SPLL is active; below that voltage, the device defaults to RUN mode. CSEc cryptographic operations and EEPROM writes are prohibited in HSRUN mode and must be executed in RUN mode at 80 MHz - a hardware-enforced restriction documented in the S32K1xx Data Sheet Rev. 15.
Does the FS32K148HET0CLQR support CAN-FD, and how many instances are available?
Yes, the FS32K148HET0CLQR integrates three independent FlexCAN modules, each supporting CAN-FD (ISO 11898-1:2015) with bit rates up to 5 Mbps and payload sizes up to 64 bytes. All three modules are fully functional in the 144-pin LQFP package, with dedicated TX/RX pins mapped to separate port groups - enabling concurrent CAN-FD communication on powertrain, chassis, and body networks.
What safety certifications and hardware features does the FS32K148HET0CLQR provide for ASIL-B compliance?
The FS32K148HET0CLQR supports ISO 26262 ASIL-B through integrated hardware safety mechanisms: ECC on flash and SRAM, system-level MPU with crossbar access control, dual watchdogs (WDOG + EWM), CRC module, and lockstep-capable peripherals. Its safety manual confirms diagnostic coverage for memory, clock, and reset paths - all validated per NXP's S32K1xx Functional Safety Package, which covers FS32K148HET0CLQR explicitly.
Can the FS32K148HET0CLQR execute code directly from external flash via QuadSPI?
Yes, the FS32K148HET0CLQR supports Execute-in-Place (XIP) from external NOR flash using its QuadSPI controller with HyperBus™ protocol. This enables booting and running application code directly from external memory - reducing reliance on internal flash wear and simplifying OTA update workflows. The feature is active in all power modes and supports DDR read speeds up to 133 MHz, as specified in the S32K1xx Reference Manual.
What is the GPIO count and interrupt capability of the FS32K148HET0CLQR?
The FS32K148HET0CLQR provides up to 156 GPIO pins in the 144-pin LQFP package, all supporting configurable pull-up/down, slew rate control, and individual interrupt generation. Each GPIO can trigger edge- or level-sensitive interrupts routed to the NVIC, enabling responsive handling of sensor events, button presses, or fault signals - critical for real-time automotive control loops.
FS32K148HET0CLQR 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K148HET0CLQR FAQ
1.How can I place an order for FS32K148HET0CLQR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148HET0CLQR 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 FS32K148HET0CLQR reliable?
The price and inventory of FS32K148HET0CLQR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148HET0CLQR is usually 5 days.
3.What payment methods are accepted for FS32K148HET0CLQR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148HET0CLQR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148HET0CLQR?
FS32K148HET0CLQR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148HET0CLQR 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 FS32K148HET0CLQR?
For technical support, including FS32K148HET0CLQR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148HET0CLQR requirements.
6.How does Aetrix verify that FS32K148HET0CLQR is sourced from the original manufacturer or authorized distributors?
All FS32K148HET0CLQR 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 FS32K148HET0CLQR meets industry standards.
7.What is the process for return or replacement of FS32K148HET0CLQR?
All FS32K148HET0CLQR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148HET0CLQR, 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 FS32K148HET0CLQR part is unused and in its original packaging.
Return procedure for FS32K148HET0CLQR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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