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NXP Semiconductors FS32K148HRT0VLUT
- Part No.:
- FS32K148HRT0VLUT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
FS32K148HRT0VLUT.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,365
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Product details
Overview
FS32K148HRT0VLUT 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 (up to 32 channels each), three FlexCAN modules (CAN-FD capable), Ethernet MAC (10/100 Mbps with IEEE 1588), and SAI for audio applications - deployed in vehicle body control modules requiring ASIL-B functional safety compliance.
For engineers reviewing the FS32K148HRT0VLUT datasheet, FS32K148HRT0VLUT pinout, FS32K148HRT0VLUT application, or FS32K148HRT0VLUT equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use-value analysis for automotive subsystems, and two validated alternative parts with documented functional and application-level differences.
Technical Context
The FS32K148HRT0VLUT implements a dual-core execution environment via Arm Cortex-M4F (primary) and M0+ (co-processor for low-power tasks), supporting concurrent HSRUN (112 MHz) and RUN (80 MHz) modes with automatic mode switching required for CSEc operations or EEPROM emulation. Its AXBS-Lite crossbar switch enables deterministic peripheral arbitration across eDMA, FlexCAN, Ethernet, and QuadSPI.
It integrates NXP's system-level MPU (not Arm Core MPU), enforcing memory protection at the crossbar master level (Core, DMA, Ethernet) with configurable access rights per region. Safety mechanisms include ECC on flash/SRAM, CRC module, WDOG/EWM watchdogs, and ISO 26262-compliant design up to ASIL-B - validated for powertrain-adjacent body electronics where fault containment and diagnostic coverage are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F with FPU + Cortex-M0+ co-processor; enables real-time control + background safety monitoring without software overhead. |
| Max Clock Speed | 112 MHz in HSRUN mode; supports high-bandwidth CAN-FD, Ethernet, and ADC sampling at full resolution without throttling. |
| Memory | 2 MB program flash (ECC), 256 KB SRAM (ECC), 64 KB FlexNVM (EEPROM emulation); eliminates external nonvolatile storage in ECU designs. |
| Temperature Range | -40 °C to 105 °C ambient (V-grade); qualified for under-hood body control units with thermal derating in RUN mode only. |
| Security | Cryptographic Services Engine (CSEc) compliant with SHE spec; enables secure boot, key management, and AES/SHA/RSA acceleration - requires RUN mode (80 MHz) execution. |
| Communication | 3× FlexCAN (CAN-FD), 1× 10/100 Mbps Ethernet (IEEE 1588), 2× SAI, 3× LPSPI, 3× LPI2C, 3× LPUART/LIN; supports domain controller architecture with time-synchronized comms. |
| Analog Peripherals | 2× 12-bit ADC (1 Msps, up to 32 ch/module), 1× CMP with 8-bit DAC; sufficient for multi-sensor fusion in lighting or HVAC control. |
Pinout & Package
FS32K148HRT0VLUT is packaged in a 176-pin LQFP (16 × 16 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's standardized S32K14x pinout layout, supporting full peripheral availability including Ethernet RMII, dual SAI, and all three FlexCAN interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power supply and analog reference | Must be decoupled individually; VDD/VDDA differential ≤ ±0.1 V ensures ADC linearity and I/O robustness. |
| ENET_RXD0–3, ENET_TXD0–3, ENET_REF_CLK | Ethernet physical interface | Supports RMII timing; requires controlled impedance routing and 50 Ω termination for IEEE 1588 timestamp accuracy. |
| CAN0_TX, CAN0_RX, CAN1_TX, CAN1_RX, CAN2_TX, CAN2_RX | CAN-FD transceiver interface | Each pair connects directly to isolated CAN PHY; supports data rates up to 5 Mbps in FD mode with flexible bit timing. |
| SAI0_TX_BCLK, SAI0_TX_SYNC, SAI0_TX_DATA0–3 | Synchronous Audio Interface output | Configurable for TDM/I2S/AC97; enables multi-zone audio processing without external DSP in premium vehicle infotainment gateways. |
| JTAG_TMS, JTAG_TCK, SWD_DIO, SWD_CLK | Debug and trace interface | Shared SWD/JTAG pins support production programming and runtime debugging via NXP S32DS or third-party tools (Lauterbach, iSystems). |
Key Features
| Feature | Design Value |
|---|---|
| HSRUN + RUN dual-speed operation | Enables 112 MHz real-time control while reserving 80 MHz RUN mode for secure firmware updates and EEPROM emulation - no external clock source needed. |
| System MPU with crossbar enforcement | Prevents DMA or Ethernet master access to protected code regions; satisfies ASIL-B memory isolation requirements without Arm Core MPU hardware. |
| FlexNVM with EEPROM emulation | 64 KB FlexNVM provides wear-leveling and atomic write/erase for calibration data logging - eliminates need for external serial EEPROM in ECUs. |
| QuadSPI with HyperBus™ support | Enables direct XIP from external NOR flash; reduces boot time and BOM cost versus parallel memory interfaces in telematics modules. |
| Low-power timer suite (LPIT, LPTMR, RTC) | Four-channel LPIT + RTC + LPTMR allows precise wake-up scheduling from VLPS mode with sub-millisecond latency - critical for periodic sensor polling in sleep states. |
Applications
| Body Control Module (BCM) | Gateway ECU |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU executing ASW, managing LIN/CAN communication with slave nodes, and performing real-time PWM dimming control. Use Value: Integrated FlexCAN (3x), LPUART (3x), and 156 GPIO enable consolidation of multiple legacy MCUs; ECC memory ensures reliability over 15-year vehicle lifetime. |
Use Scenario: High-speed bridging between CAN FD domains (powertrain, chassis) and Ethernet backbone (ADAS, infotainment). IC Role / Device Role / Timing Role: Time-synchronized message router using IEEE 1588 PTP and hardware timestamping on Ethernet and CAN-FD interfaces. Use Value: Dual SAI + Ethernet MAC + 3× FlexCAN allows simultaneous audio streaming, OTA update reception, and diagnostic message forwarding without CPU bottlenecks. |
| Advanced Lighting Controller | Electric Power Steering (EPS) Support Unit |
Use Scenario: Adaptive front-lighting system (AFS) with matrix LED control, ambient light sensing, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time PWM generator (via 8× FTM modules) with synchronized ADC sampling for closed-loop current/temperature feedback. Use Value: 112 MHz HSRUN mode sustains 100+ kHz PWM carrier frequency across 64+ LED segments while running safety checks in parallel M0+ core. |
Use Scenario: Secondary controller handling motor position sensing, torque assist calculation offload, and CAN diagnostics in EPS systems. IC Role / Device Role / Timing Role: Safety-monitoring companion to main EPS MCU; validates sensor integrity via CRC and executes fail-safe routines using CSEc-secured keys. Use Value: CSEc engine + system MPU + ECC memory provide hardware-enforced separation between functional and safety partitions - meeting ISO 26262 Part 6 tool qualification requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HRT0VLUT | Same package (176-pin LQFP), but 1 MB flash, 192 KB SRAM, no Ethernet or SAI; 2× FlexCAN instead of 3×. | Lacks IEEE 1588 Ethernet and audio interfaces; suitable for mid-tier BCMs without domain gateway functions. | Select when Ethernet/SAI are unnecessary and cost reduction is prioritized without sacrificing CAN-FD count or temperature grade. |
| S32K148HRT0MLUT | Identical core/peripherals, but M-grade (-40 °C to 125 °C ambient); uses RUN mode (80 MHz) only - no HSRUN capability. | Qualified for higher ambient temperatures (e.g., near engine bay), but sacrifices 40% peak performance for thermal robustness. | Choose for under-hood applications where sustained 112 MHz operation is not required, and junction temperature exceeds 125 °C in HSRUN mode. |
Compared with S32K146HRT0VLUT, FS32K148HRT0VLUT adds Ethernet, dual SAI, and 1 MB extra flash - enabling scalable gateway functionality. Versus S32K148HRT0MLUT, it trades thermal margin for deterministic high-speed execution, making it optimal for latency-critical ADAS-adjacent control loops.
Availability
FS32K148HRT0VLUT is available at Aetrix Electronics and suitable for automotive body control modules, domain gateway ECUs, advanced lighting systems, and electric power steering support units requiring stable component supply across extended product lifecycles.
Supply support for FS32K148HRT0VLUT 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, with deep expertise in secure microcontrollers and radar SoCs.
The S32K1xx family - including FS32K148HRT0VLUT - was designed specifically for ASIL-B automotive body electronics, offering integrated safety, security, and connectivity features to replace multi-chip solutions in next-generation ECUs.
FAQ
What is the maximum operating frequency of the FS32K148HRT0VLUT and under what conditions?
The FS32K148HRT0VLUT operates at up to 112 MHz in HSRUN mode, guaranteed across -40 °C to 105 °C ambient temperature. This speed requires VDD ≥ 2.97 V when PLL is engaged. For CSEc security operations or FlexNVM EEPROM emulation, the device must drop to RUN mode (80 MHz); attempting these functions at 112 MHz triggers error flags. The FS32K148HRT0VLUT datasheet specifies voltage and thermal derating limits that enforce this behavior.
Does the FS32K148HRT0VLUT support CAN-FD, and how many interfaces are available?
Yes, the FS32K148HRT0VLUT integrates three independent FlexCAN modules, each supporting CAN-FD protocol (ISO 11898-1:2015) with data rates up to 5 Mbps. All three CAN interfaces are fully accessible in the 176-pin LQFP package and support hardware timestamping, loopback self-test, and configurable bit timing - essential for time-triggered communication in vehicle domain controllers. This capability is confirmed in the S32K1xx Data Sheet Rev. 15 feature comparison table.
What safety certifications apply to the FS32K148HRT0VLUT?
The FS32K148HRT0VLUT is designed to support ISO 26262 compliance up to ASIL-B, with hardware features including ECC on flash and SRAM, system-level MPU, CRC module, dual watchdogs (WDOG and EWM), and lockstep-capable peripherals. NXP provides FMEDA reports and safety manuals confirming fault coverage metrics. While the FS32K148HRT0VLUT itself is not pre-certified, its architecture enables certified ASIL-B software implementations - validated in production automotive ECUs per ISO 26262 Part 6.
Can the FS32K148HRT0VLUT execute secure boot and cryptographic operations at full speed?
No - the FS32K148HRT0VLUT requires switching from HSRUN mode (112 MHz) to RUN mode (80 MHz) to execute CSEc-based secure boot or cryptographic operations. Attempting CSEc commands or FlexNVM EEPROM writes/erases in HSRUN mode triggers error flags per the S32K1xx Data Sheet Rev. 15. This is a hard architectural constraint, not a configuration option. The FS32K148HRT0VLUT design mandates this mode transition to ensure signal integrity and timing margins during security-critical sequences.
What is the pin-compatible upgrade path from the FS32K148HRT0VLUT?
The FS32K148HRT0VLUT has no pin-compatible upgrade within the S32K1xx family - it is the highest-spec part in the 176-pin LQFP footprint. Higher integration (e.g., radar processing or AI acceleration) requires migration to the S32G or S32Z series, which use different packages and architectures. Within the same package, the only alternatives are downgrades like S32K146HRT0VLUT (1 MB flash, no Ethernet) or S32K148HRT0MLUT (M-grade, no HSRUN). No S32K1xx variant adds features beyond FS32K148HRT0VLUT in this package.
FS32K148HRT0VLUT 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K148HRT0VLUT FAQ
1.How can I place an order for FS32K148HRT0VLUT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148HRT0VLUT 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 FS32K148HRT0VLUT reliable?
The price and inventory of FS32K148HRT0VLUT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148HRT0VLUT is usually 5 days.
3.What payment methods are accepted for FS32K148HRT0VLUT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148HRT0VLUT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148HRT0VLUT?
FS32K148HRT0VLUT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148HRT0VLUT 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 FS32K148HRT0VLUT?
For technical support, including FS32K148HRT0VLUT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148HRT0VLUT requirements.
6.How does Aetrix verify that FS32K148HRT0VLUT is sourced from the original manufacturer or authorized distributors?
All FS32K148HRT0VLUT 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 FS32K148HRT0VLUT meets industry standards.
7.What is the process for return or replacement of FS32K148HRT0VLUT?
All FS32K148HRT0VLUT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148HRT0VLUT, 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 FS32K148HRT0VLUT part is unused and in its original packaging.
Return procedure for FS32K148HRT0VLUT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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