NXP Semiconductors FS32K148HAT0VLLT
- Part No.:
- FS32K148HAT0VLLT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
FS32K148HAT0VLLT.pdf
- Description:
- S32K148 32-BIT MCU, ARM CORTEX-M
- Quantity:
- Payment:

- Shipping:

Inventory:2,333
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
FS32K148HAT0VLLT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with HSRUN mode up to 112 MHz, 2 MB ECC-protected program flash, 256 KB SRAM, and integrated CSEc security engine. It features dual 12-bit ADCs (up to 32 channels), three FlexCAN modules with optional CAN-FD, Ethernet MAC (10/100 Mbps with IEEE 1588), and operates from -40 °C to +105 °C in 100-pin LQFP packaging - deployed in vehicle body control modules requiring functional safety and secure firmware updates.
For engineers reviewing the FS32K148HAT0VLLT datasheet, FS32K148HAT0VLLT pinout, FS32K148HAT0VLLT application, or FS32K148HAT0VLLT equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use scenarios, and validated alternative parts for automotive ECU design, ASIL-B system integration, and secure over-the-air (OTA) update implementation.
Technical Context
The FS32K148HAT0VLLT implements a dual-core execution environment via Arm Cortex-M4F core with single-precision FPU and DSP extensions, paired with configurable NVIC and DWT/ITM debug infrastructure. Its clock architecture integrates SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz), enabling dynamic power-mode transitions between HSRUN, RUN, STOP, VLPR, and VLPS.
Memory subsystem includes ECC-protected 2 MB flash, 64 KB FlexNVM for EEPROM emulation, 256 KB SRAM, 4 KB FlexRAM, and 4 KB code cache. Safety mechanisms include System MPU (crossbar-level memory protection), CRC module, WDOG/EWM watchdogs, and CSEc cryptographic engine compliant with SHE specification - all validated for ASIL-B systems per ISO 26262.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F with FPU and DSP extensions - enables real-time motor control, sensor fusion, and floating-point math without external coprocessor. |
| Max Clock Frequency | 112 MHz in HSRUN mode - supports high-throughput signal processing and deterministic timing-critical tasks in automotive body domain controllers. |
| Flash Memory | 2 MB with ECC - ensures bit-error resilience during field operation and meets ASIL-B fault containment requirements for safety-critical code storage. |
| SRAM | 256 KB with ECC - provides robust data buffering for CAN-FD message queues, OTA update staging, and real-time diagnostics logging. |
| Operating Temperature | -40 °C to +105 °C (V-grade) - qualified for under-hood and cabin-mounted ECUs where ambient thermal stress exceeds consumer-grade limits. |
| Security Engine | Cryptographic Services Engine (CSEc) - implements AES-128/256, SHA-256, RNG, and key management per SHE spec for secure boot and firmware authentication. |
| Communication Peripherals | 3× FlexCAN (CAN-FD capable), 1× 10/100 Mbps Ethernet MAC (IEEE 1588), 3× LPUART, 3× LPSPI, 2× LPI2C - supports multi-bus vehicle networking including time-synchronized diagnostics and gateway functions. |
| Analog Interfaces | 2× 12-bit ADC (1 Msps, up to 32 ch total), 1× CMP with 8-bit DAC - enables precise battery monitoring, HVAC sensor acquisition, and analog actuator feedback in body electronics. |
Pinout & Package
FS32K148HAT0VLLT is housed in a 100-pin LQFP (Low-Profile Quad Flat Package) with 0.5 mm pitch, thermally enhanced for automotive PCB layouts. Pin assignment follows NXP's standardized S32K14x pin multiplexing scheme, supporting flexible I/O remapping via TRGMUX and IO PORT configuration registers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power supply and analog reference | Must be decoupled with 100 nF + 10 µF capacitors; VDD/VDDA differential ≤ ±0.1 V ensures ADC linearity and I/O noise immunity. |
| RESET_B | Active-low reset input | Asynchronous reset assertion clears CPU state, peripherals, and debug logic - compatible with external watchdog monitors (EWM). |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Two-pin debug port supporting full JTAG/SWD functionality, trace streaming (ITM/TPIU), and flash programming without dedicated JTAG pins. |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 differential pair | Direct connection to external CAN transceiver (e.g., TJA1043); supports ISO 11898-1 CAN-FD at up to 5 Mbps with bit-rate switching. |
| ENET_RMII_RXD0–RXD1 / TXD0–TXD1 | Ethernet RMII interface | Enables 10/100 Mbps communication with IEEE 1588 timestamping - requires external PHY (e.g., KSZ8081RNA) and 50 MHz crystal. |
| ADC0_SE0–SE31 | Analog input channels | Up to 32 single-ended inputs shared across two 12-bit SAR ADC modules - supports simultaneous sampling for motor phase current sensing. |
Key Features
| Feature | Design Value |
|---|---|
| HSRUN + RUN dual-frequency operation | 112 MHz for compute-intensive tasks (e.g., PID loop execution), 80 MHz RUN mode required for CSEc crypto operations and EEPROM emulation - enforced by hardware error flag on violation. |
| System MPU with crossbar enforcement | NXP's system-level MPU assigns access rights per master (CPU, DMA, Ethernet) to memory regions - prevents unauthorized peripheral or memory access without relying on Arm Core MPU. |
| FlexIO programmable interface | Configurable as UART, SPI, I2C, I2S, LIN, or PWM - eliminates need for external protocol bridge ICs in lighting control or sensor interface sub-systems. |
| QuadSPI with HyperBus™ support | Enables direct XIP (execute-in-place) from external NOR flash - reduces boot latency and offloads internal flash wear in OTA update architectures. |
| LPIT + LPTMR + RTC timer suite | Four-channel LPIT for periodic wake-up from VLPS mode; LPTMR with flexible trigger sources; 32-bit RTC with calendar support - essential for low-power telematics sleep/wake scheduling. |
| FlexNVM EEPROM emulation | 64 KB FlexNVM emulates EEPROM with wear leveling and atomic write/erase - stores calibration data, VIN, and security counters without external non-volatile memory. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) Gateway |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing ASIL-B-compliant application software, managing CAN/LIN communication with distributed nodes, and performing real-time PWM dimming control. Use Value: Integrated CSEc enables secure firmware updates; dual ADCs monitor battery voltage and load currents; 156 GPIOs support direct drive of relays and LEDs without external expanders. |
Use Scenario: Aggregation and translation of CAN-FD messages between steering column ECUs, EPS motor controller, and vehicle backbone network. IC Role / Device Role / Timing Role: High-integrity gateway processor with time-synchronized message routing, diagnostic event logging, and fail-safe CAN bus arbitration. Use Value: IEEE 1588 Ethernet enables precise timestamping of steering angle and torque events; FlexCAN modules handle concurrent FD and legacy CAN traffic; ECC memory prevents silent corruption in safety-critical paths. |
| Advanced HVAC Controller | Secure Telematics Control Unit (TCU) |
Use Scenario: Climate control unit managing compressor, blower, air mix doors, and cabin air quality sensors in premium vehicles. IC Role / Device Role / Timing Role: Real-time sensor fusion hub combining temperature, humidity, CO₂, and particulate data with closed-loop HVAC actuator control. Use Value: Dual 12-bit ADCs acquire multiple analog sensor inputs simultaneously; FlexIO emulates proprietary sensor protocols; LPIT timers coordinate low-power sensor polling cycles. |
Use Scenario: Cellular-connected vehicle module handling remote diagnostics, GNSS positioning, and encrypted OTA updates for infotainment and ADAS domains. IC Role / Device Role / Timing Role: Secure host processor interfacing with LTE modem, GNSS receiver, and eSIM - enforcing chain-of-trust from boot ROM through application layer. Use Value: CSEc performs AES-256 encryption of telemetry payloads; 2 MB flash stores dual firmware images for A/B update rollback; Ethernet interface supports high-bandwidth firmware downloads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HAT0VLLT | Same package and pinout; reduced flash (1 MB), SRAM (192 KB), and no Ethernet MAC or SAI modules. | Suitable for cost-sensitive body control units without Ethernet connectivity or audio processing needs. | Select when Ethernet, SAI, or >1 MB flash are unnecessary - lowers BOM cost while retaining CSEc, CAN-FD, and ASIL-B capability. |
| S32K148HRT0VLLT | Identical feature set but rated for -40 °C to +125 °C (M-grade) instead of V-grade (-40 °C to +105 °C); same 100-pin LQFP package. | Required for under-hood applications exceeding 105 °C ambient, such as engine bay gateways or transmission control units. | Choose for higher thermal envelope deployments - no hardware or software changes needed beyond qualification testing. |
Compared with FS32K148HAT0VLLT, the S32K146HAT0VLLT removes Ethernet and SAI to reduce cost and die size, while the S32K148HRT0VLLT extends ambient rating to 125 °C without altering functionality - both maintain identical pinout, security features, and CAN-FD capability for seamless migration.
Availability
FS32K148HAT0VLLT is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering gateways, advanced HVAC controllers, and secure telematics control units requiring stable component supply across extended product lifecycles.
Supply support for FS32K148HAT0VLLT 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, high-performance automotive, industrial, and IoT solutions, with deep expertise in Arm-based MCUs and functional safety certification.
The S32K1xx family - including FS32K148HAT0VLLT - was designed specifically for automotive electronic control units requiring ASIL-B compliance, secure boot, and robust real-time performance in harsh environments.
FAQ
What is the maximum operating frequency of the FS32K148HAT0VLLT and under what conditions?
The FS32K148HAT0VLLT achieves up to 112 MHz in HSRUN mode, supported across its full voltage range (2.7 V to 5.5 V). However, when executing CSEc cryptographic operations or FlexNVM EEPROM emulation, the device must operate in RUN mode at 80 MHz - hardware enforces this restriction by triggering error flags if attempted at 112 MHz. This dual-frequency behavior is documented in the S32K1xx Data Sheet Rev. 15.
Does the FS32K148HAT0VLLT support CAN-FD, and how many instances are available?
Yes, the FS32K148HAT0VLLT integrates three independent FlexCAN modules, each supporting CAN-FD (ISO 11898-1) with bit-rate switching up to 5 Mbps. All three modules are fully functional in the 100-pin LQFP package (FS32K148HAT0VLLT), with dedicated TX/RX pins assigned per channel and configurable message buffers via the CAN Message Buffer (MB) structure.
What security features does the FS32K148HAT0VLLT provide, and are they enabled by default?
The FS32K148HAT0VLLT includes the Cryptographic Services Engine (CSEc), compliant with the SHE specification, offering AES-128/256, SHA-256, RNG, and secure key storage. CSEc is factory-configured but disabled until initialized by trusted firmware - it requires explicit enablement via the CSEc control register and proper key provisioning. No security features are active out-of-reset without software initialization.
Is the FS32K148HAT0VLLT pin-compatible with other S32K1xx devices in the same package?
Yes, all S32K1xx devices sharing the 100-pin LQFP package - including FS32K142, FS32K144, FS32K146, and FS32K148 variants - are pin-to-pin compatible per the S32K1xx Data Sheet. This allows hardware reuse across performance tiers; however, unused peripherals (e.g., Ethernet on FS32K146) remain unconnected, and software must match the target device's memory map and feature set.
What is the temperature grade and qualification standard for the FS32K148HAT0VLLT?
The FS32K148HAT0VLLT is a V-grade automotive part qualified for ambient operation from -40 °C to +105 °C, meeting AEC-Q100 Grade 2 requirements. It is designed and validated for ASIL-B compliance per ISO 26262, with safety mechanisms including ECC memory, System MPU, CRC, and dual watchdogs (WDOG/EWM) implemented in silicon.
FS32K148HAT0VLLT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- S32K
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 80MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, FlexIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, LVD, LVR, 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:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K148HAT0VLLT FAQ
1.How can I place an order for FS32K148HAT0VLLT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148HAT0VLLT 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 FS32K148HAT0VLLT reliable?
The price and inventory of FS32K148HAT0VLLT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148HAT0VLLT is usually 5 days.
3.What payment methods are accepted for FS32K148HAT0VLLT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148HAT0VLLT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148HAT0VLLT?
FS32K148HAT0VLLT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148HAT0VLLT 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 FS32K148HAT0VLLT?
For technical support, including FS32K148HAT0VLLT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148HAT0VLLT requirements.
6.How does Aetrix verify that FS32K148HAT0VLLT is sourced from the original manufacturer or authorized distributors?
All FS32K148HAT0VLLT 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 FS32K148HAT0VLLT meets industry standards.
7.What is the process for return or replacement of FS32K148HAT0VLLT?
All FS32K148HAT0VLLT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148HAT0VLLT, 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 FS32K148HAT0VLLT part is unused and in its original packaging.
Return procedure for FS32K148HAT0VLLT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
FS32K148HAT0VLLT Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

