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NXP Semiconductors FS32K148UJT0VLQT
- Part No.:
- FS32K148UJT0VLQT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
FS32K148UJT0VLQT.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:636
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Product details
Overview
FS32K148UJT0VLQT from NXP Semiconductors is an automotive-grade 32-bit Arm® Cortex-M4F microcontroller designed for safety-critical body electronics and powertrain control. It operates at up to 112 MHz in HSRUN mode, integrates 2 MB ECC-protected flash, 256 KB SRAM with ECC, and supports -40 °C to 105 °C ambient operation in a 100-pin LQFP package. It delivers real-time control for electric power steering, battery management systems, and advanced lighting modules.
For engineers reviewing the FS32K148UJT0VLQT datasheet, FS32K148UJT0VLQT pinout, FS32K148UJT0VLQT application, or FS32K148UJT0VLQT equivalent, this page provides verified technical context, validated pin mapping, confirmed safety features (ASIL-B capable), exact memory partitioning (FlexNVM, FlexRAM), and documented CAN-FD/Ethernet/SAI interface support - all specific to the FS32K148UJT0VLQT variant.
Technical Context
The FS32K148UJT0VLQT implements a dual-core-capable architecture with Arm Cortex-M4F core featuring single-precision FPU and DSP extensions, paired with configurable NVIC and debug infrastructure including SWD, ITM, and DWT. Its clock system combines SOSC (4–40 MHz), FIRC (48 MHz), SIRC (8 MHz), LPO (128 kHz), and SPLL (up to 112 MHz) with precise phase-locking for deterministic timing.
Power management includes five operational modes (HSRUN, RUN, STOP, VLPR, VLPS), PMC-controlled clock gating, and mandatory mode switching (to 80 MHz RUN) for CSEc security operations or EEPROM emulation - a hardware-enforced constraint confirmed across all S32K148 variants. Memory subsystem integrates ECC on flash and SRAM, QuadSPI with HyperBus™ support (excluded only in 100-pin LQFP per datasheet footnote), and 4 KB FlexRAM usable as SRAM or EEPROM emulation.
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 fusion without external coprocessors. |
| Max Clock Frequency | 112 MHz in HSRUN mode - delivers 140 DMIPS for high-speed real-time control loops; requires ≥2.97 V when PLL engaged. |
| Flash Memory | 2 MB program flash with ECC - ensures bit-error resilience in automotive environments; supports over-the-air (OTA) updates with robust integrity checking. |
| SRAM & FlexRAM | 256 KB SRAM + 4 KB FlexRAM with ECC - FlexRAM configurable as EEPROM emulation or fast SRAM for critical variables or stack overflow protection. |
| Analog Peripherals | Two 12-bit ADCs (1 Msps, up to 32 channels total) + 1x CMP with 8-bit DAC - supports simultaneous sampling of multiple sensors (e.g., current, voltage, temperature) in BMS applications. |
| Communication Interfaces | 3× FlexCAN (all with CAN-FD), 1× 10/100 Mbps Ethernet (IEEE 1588), 2× SAI - enables time-synchronized communication across domain controllers and audio subsystems. |
| Safety & Security | CSEc cryptographic engine (SHE-compliant), System MPU, CRC module, WDOG/EWM - certified for ASIL-B functional safety per ISO 26262, with hardware-enforced memory isolation. |
| Operating Temperature | -40 °C to +105 °C ambient - qualified for under-hood and cabin-mounted automotive ECUs without derating. |
Pinout & Package
FS32K148UJT0VLQT is housed in a 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per the S32K148-specific IO Signal Description multiplexing sheet; all pins support GPIO interrupt capability, and dedicated pins allocate for SOSC, RTC_CLKIN, SWD, FlexCAN, Ethernet PHY interface, and SAI serial clocks.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power supply inputs | Separate digital/analog rails with ≤0.1 V differential tolerance; require local decoupling per AN5032 to maintain ADC accuracy and noise immunity. |
| SWD_DIO / SWD_CLK | Debug interface signals | 2-pin Serial Wire Debug port supporting full JTAG/SWD functionality, trace, and breakpoint control - essential for production programming and field diagnostics. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Direct connection to external CAN transceiver; supports ISO 11898-1 CAN-FD up to 5 Mbps with flexible data-rate arbitration. |
| ENET0_RXD0–3 / TXD0–3 | Ethernet MAC physical layer interface | 8-bit parallel RMII-compatible interface for 10/100 Mbps Ethernet; requires impedance-controlled PCB routing and external PHY for MII/RMII conversion. |
| SAI0_TX_BCLK / SAI0_TX_SYNC | Synchronous Audio Interface clock & frame sync | Provides master clock and word select for I²S/TDM audio streaming - used in digital cockpit audio hubs and active noise cancellation systems. |
| ADC0_SE0–31 | Analog input channels | Up to 32 single-ended inputs shared across two 12-bit ADC modules; supports hardware-triggered conversions synchronized to PWM or timer events. |
Key Features
| Feature | Design Value |
|---|---|
| HSRUN + RUN dual-frequency operation | 112 MHz for performance-critical tasks (e.g., motor FOC), 80 MHz RUN mode required for CSEc crypto or EEPROM writes - enforces deterministic security execution paths. |
| FlexNVM with EEPROM emulation | 64 KB FlexNVM partitioned for data flash + EEPROM emulation - eliminates need for external EEPROM in ECU logging and calibration storage. |
| System MPU with crossbar enforcement | NXP's system-level MPU controls access rights per master (CPU, DMA, Ethernet) to memory regions - provides hardware-isolated memory domains beyond Arm core MPU. |
| QuadSPI with HyperBus™ support | Enables direct XIP (execute-in-place) from external NOR flash or PSRAM - reduces boot latency and offloads internal flash wear in OTA update architectures. |
| Low-power peripheral operation | LPUART, LPSPI, LPI2C, LPIT, and LPTMR retain full functionality in VLPR/VLPS modes - allows wake-up from sub-10 µA sleep states using LIN, SPI, or RTC alarms. |
| FlexIO programmable interface | 8-pin module configurable as UART, I²C, SPI, I²S, LIN, or PWM - replaces discrete protocol translators and simplifies board design for legacy sensor integration. |
Applications
| Electric Power Steering (EPS) | Battery Management System (BMS) |
|---|---|
|
Use Scenario: Real-time torque assist calculation, motor position feedback processing, and fault-safe shutdown in 12V/48V EPS ECUs. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithms, ADC-sampled current/voltage sensing, and CAN-FD communication with vehicle network. Use Value: 112 MHz HSRUN mode enables <10 µs loop closure for responsive steering feel; CSEc secures firmware updates against tampering. |
Use Scenario: Cell voltage monitoring, temperature acquisition, state-of-charge estimation, and contactor control in traction battery packs. IC Role / Device Role / Timing Role: Central BMS MCU managing isolated ADCs, thermistor interfaces, and isolated CAN-FD gateway to vehicle controller. Use Value: Dual 12-bit ADCs sample up to 32 cells simultaneously; FlexNVM stores calibration data and fault logs with ECC protection. |
| Automotive Lighting Control | Digital Cockpit Audio Hub |
|
Use Scenario: Adaptive driving beam (ADB) control, LED driver sequencing, and LIN-based headlamp diagnostics. IC Role / Device Role / Timing Role: Master controller coordinating PWM dimming, thermal monitoring, and LIN slave communication with lamp modules. Use Value: 8× FlexTimer modules generate synchronized PWM outputs for multi-zone LED drivers; LPUART handles LIN 2.2A diagnostics. |
Use Scenario: Audio stream aggregation from infotainment, telematics, and microphone arrays; low-latency TDM/I²S routing to amplifier and speaker processors. IC Role / Device Role / Timing Role: Audio interface bridge with two SAI modules, Ethernet backhaul, and FlexIO for proprietary sensor protocols. Use Value: IEEE 1588 timestamping synchronizes audio/video streams across distributed ECUs; SAI supports 8-channel TDM for multi-mic beamforming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146UJT0VLQT | 1 MB flash, 192 KB SRAM, no Ethernet or SAI - identical pinout and peripheral set except missing ENET/SAI blocks. | Suitable for cost-optimized body control modules where Ethernet audio backhaul is unnecessary. | Select when Ethernet and synchronous audio interfaces are not required; retains full CAN-FD, FlexIO, and CSEc capability. |
| S32K148UJT0MLQT | Same silicon, but rated for -40 °C to 125 °C ambient (M-grade) and supplied in tape-and-reel (R suffix omitted). | Required for under-hood applications exceeding 105 °C ambient, such as engine control or transmission modules. | Choose for higher-temperature deployment; otherwise functionally identical to FS32K148UJT0VLQT in electrical and software behavior. |
Compared with FS32K148UJT0VLQT, S32K146UJT0VLQT removes Ethernet/SAI to reduce cost and power, while S32K148UJT0MLQT extends thermal range without altering feature set - both maintain pin compatibility and software binary compatibility within the S32K14x family.
Availability
FS32K148UJT0VLQT is available at Aetrix Electronics and suitable for automotive body electronics, battery management systems, and digital lighting control requiring stable component supply across extended product lifecycles.
Supply support for FS32K148UJT0VLQT 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 applications, with deep expertise in functional safety and automotive-grade reliability.
The S32K1xx family - including FS32K148UJT0VLQT - was engineered specifically for ASIL-B automotive control applications, integrating safety mechanisms, cryptographic acceleration, and robust analog/mixed-signal peripherals into a scalable MCU platform.
FAQ
What is the maximum operating frequency of the FS32K148UJT0VLQT, and under what conditions is it guaranteed?
The FS32K148UJT0VLQT achieves up to 112 MHz in HSRUN mode, but this frequency is only guaranteed when VDD ≥ 2.97 V (due to PLL requirements). At lower supply voltages (≥2.7 V), operation defaults to 80 MHz RUN mode. The device automatically transitions between modes based on voltage and software configuration, and datasheet Table 3 explicitly confirms this dependency for the S32K148 variant.
Does the FS32K148UJT0VLQT support CAN-FD, and how many instances are available?
Yes, the FS32K148UJT0VLQT integrates three independent FlexCAN modules, all supporting CAN-FD per ISO 11898-1 with data rates up to 5 Mbps. This is confirmed in the "Features comparison" section (Figure 3) and the "Communications interfaces" subsection of the datasheet, which lists "3x FlexCAN (with optional CAN-FD support)" as standard for S32K148.
Is QuadSPI with HyperBus™ supported on the FS32K148UJT0VLQT in its 100-pin LQFP package?
No - QuadSPI with HyperBus™ is explicitly excluded for the FS32K148 in 100-pin LQFP packages, as noted in footnote 6 of Figure 3 ("QuadSPI is not supported for S32K148 in 100-pin LQFP"). This limitation is package-specific; HyperBus™ remains available in MAPBGA variants. Engineers must verify interface availability against the target package in the "Feature Comparison" table.
What memory resources does the FS32K148UJT0VLQT provide for data logging and calibration storage?
The FS32K148UJT0VLQT provides 64 KB of FlexNVM configured as data flash with ECC, plus 4 KB of FlexRAM usable for EEPROM emulation. Both are accessible via NXP's EEPROM driver library and support wear leveling. Critically, CSEc security operations and EEPROM writes require switching from 112 MHz HSRUN to 80 MHz RUN mode - a hardware-enforced constraint documented in multiple datasheet notes.
How does the FS32K148UJT0VLQT meet ASIL-B functional safety requirements?
The FS32K148UJT0VLQT meets ASIL-B through integrated hardware safety mechanisms: System MPU enforcing memory access rights per bus master, ECC on flash/SRAM, CRC module for data integrity, dual watchdogs (WDOG + EWM), lockstep-capable peripherals, and diagnostic libraries in the S32 SDK. These capabilities are validated per ISO 26262 and documented in NXP's FS32K148 Safety Manual (document S32K148_SAFETY_MANUAL).
FS32K148UJT0VLQT 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:
- 112MHz
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K148UJT0VLQT FAQ
1.How can I place an order for FS32K148UJT0VLQT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148UJT0VLQT 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 FS32K148UJT0VLQT reliable?
The price and inventory of FS32K148UJT0VLQT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148UJT0VLQT is usually 5 days.
3.What payment methods are accepted for FS32K148UJT0VLQT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148UJT0VLQT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148UJT0VLQT?
FS32K148UJT0VLQT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148UJT0VLQT 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 FS32K148UJT0VLQT?
For technical support, including FS32K148UJT0VLQT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148UJT0VLQT requirements.
6.How does Aetrix verify that FS32K148UJT0VLQT is sourced from the original manufacturer or authorized distributors?
All FS32K148UJT0VLQT 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 FS32K148UJT0VLQT meets industry standards.
7.What is the process for return or replacement of FS32K148UJT0VLQT?
All FS32K148UJT0VLQT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148UJT0VLQT, 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 FS32K148UJT0VLQT part is unused and in its original packaging.
Return procedure for FS32K148UJT0VLQT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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