NXP Semiconductors FS32K142WAT0WLFT
- Part No.:
- FS32K142WAT0WLFT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
FS32K142WAT0WLFT.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 48LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,686
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Product details
Overview
FS32K142WAT0WLFT from NXP Semiconductors is an automotive-grade Arm Cortex-M4F microcontroller designed for real-time control in safety-critical ECUs. It operates at up to 80 MHz in RUN mode, supports -40 °C to +150 °C ambient temperature, integrates 256 KB flash with ECC, 32 KB SRAM, and features CSEc cryptographic engine and dual 12-bit ADCs. It is used in body control modules requiring ASIL-B compliance and secure firmware updates.
For engineers reviewing the FS32K142WAT0WLFT datasheet, FS32K142WAT0WLFT pinout, FS32K142WAT0WLFT application, or FS32K142WAT0WLFT equivalent, this page delivers verified technical context, package-specific pin mapping, functional alternatives, and supply-chain support tailored for automotive embedded design and production ramp-up.
Technical Context
The FS32K142WAT0WLFT implements an Arm Cortex-M4F core with single-precision FPU and DSP extensions, executing at 80 MHz in RUN mode (not HSRUN) due to its W-suffix thermal grade. Its power management includes PMC-controlled modes-RUN, STOP, VLPR, VLPS-with mandatory mode switching (to RUN) for CSEc security operations or FlexNVM EEPROM emulation.
It integrates dual 12-bit SAR ADCs (1 Msps each), three LPUART/LIN modules with DMA, two LPSPI, two LPI2C, two FlexCAN interfaces (CAN-FD capable), and eight FlexTimer modules (up to 64 PWM/IC/OC channels). All memory blocks-flash, SRAM, FlexRAM-feature ECC protection, and system-level safety is enforced via NXP's crossbar-based System MPU.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with FPU and DSP extensions - enables deterministic floating-point math and signal processing in motor control loops. |
| Clock Speed | 80 MHz in RUN mode - maximum guaranteed frequency under full thermal specification (-40 °C to +150 °C). |
| Flash Memory | 256 KB program flash with ECC - provides robust code storage with error detection/correction for automotive ASIL-B systems. |
| SRAM | 32 KB on-chip SRAM with ECC - supports safe data buffering and stack operations with hardware-level memory integrity. |
| ADC | Dual 12-bit SAR ADCs, 1 Msps each, up to 32 channels total - enables concurrent sensor acquisition (e.g., temperature, voltage, position) in body electronics. |
| FlexCAN | 2x CAN-FD controllers (ISO 11898-1) - supports high-bandwidth diagnostics and actuator control over automotive networks. |
| Security | Cryptographic Services Engine (CSEc) compliant with SHE spec - performs AES-128, SHA-256, RNG, and secure boot key management. |
| Temperature Range | -40 °C to +150 °C ambient - qualified for under-hood applications including HVAC actuators and lighting control units. |
Pinout & Package
FS32K142WAT0WLFT is housed in a 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments are defined per the S32K14xW series IO Signal Description multiplexing sheet and match the 48-pin LQFP footprint across the S32K14xW family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power and analog reference supply | Must be decoupled locally; VDD/VDDA differential ≤ ±0.1 V ensures ADC accuracy and I/O stability. |
| RESET_B | Active-low reset input | Asynchronous, level-sensitive reset that forces device into known state; compatible with external watchdog monitors. |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Two-pin debug port supporting full JTAG/SWD functionality, trace, and flash programming without dedicated JTAG pins. |
| PTA0–PTA31, PTB0–PTB15, PTC0–PTC11 | GPIO with multiplexed peripherals | 156 total GPIOs available in larger packages; 48-pin variant exposes 43 usable I/Os with configurable pull-ups/downs and interrupt capability. |
| CAN0_TX / CAN0_RX / CAN1_TX / CAN1_RX | FlexCAN differential signal pairs | Direct connection to external CAN transceivers; supports bit rates up to 5 Mbps in CAN-FD mode with flexible data phase timing. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | System MPU enforces memory access rights per master (core, DMA, Ethernet); ECC on flash/SRAM; CRC module for data integrity verification. |
| Low-Power Operation | Five power modes (RUN, STOP, VLPR, VLPS, HSRUN not supported); LPUART/LPSPI/LPI2C retain functionality in low-power states for always-on communication. |
| Secure Boot & Firmware Updates | CSEc executes authenticated boot and encrypted firmware decryption; keys stored in protected memory; no HSRUN mode required for security operations. |
| Flexible Timer Subsystem | Eight FlexTimer modules provide 64 independent channels for PWM generation, input capture, and quadrature decoding - ideal for motor control and LED dimming. |
| Analog Integration | Dual 12-bit ADCs with hardware-triggered conversions and DMA offload reduce CPU load; integrated comparator with 8-bit DAC enables closed-loop analog monitoring. |
Applications
| Body Control Module (BCM) | Seat Position Controller |
|---|---|
Use Scenario: Centralized management of door locks, window lifts, mirrors, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time CAN message handling, PWM-driven motor control, and secure OTA update parsing. Use Value: 80 MHz deterministic execution, dual ADCs for potentiometer feedback, and CSEc for signed firmware validation meet ISO 26262 ASIL-B requirements. |
Use Scenario: Precise positioning and memory recall of electric seat motors using Hall-effect or potentiometric sensors. IC Role / Device Role / Timing Role: Real-time motion control unit managing dual DC motors via complementary PWM outputs and analog sensor fusion. Use Value: Eight FlexTimer modules deliver synchronized 16-bit PWM with dead-time insertion; 12-bit ADCs resolve sub-degree position changes at 1 Msps. |
| LED Headlamp Driver | HVAC Blower Control |
Use Scenario: Adaptive driving beam (ADB) control with dynamic pixel-level LED dimming and thermal derating logic. IC Role / Device Role / Timing Role: Safety-certified controller coordinating CAN FD commands, temperature sensing, and multi-channel PWM dimming. Use Value: -40 °C to +150 °C operation sustains reliability near headlamp heat sources; CSEc secures calibration data and firmware patches. |
Use Scenario: Closed-loop speed regulation of brushless DC blowers in automotive climate control systems. IC Role / Device Role / Timing Role: Motor control MCU interfacing with Hall sensors, driving 3-phase gate drivers, and communicating via LIN bus. Use Value: LPUART/LIN module supports SAE J2602-compliant diagnostics; dual ADCs monitor current/voltage for field-oriented control (FOC) algorithms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FS32K144WAT0WLFT | 512 KB flash, 64 KB SRAM, same 48-pin LQFP package and -40 °C to +150 °C rating | Supports larger AUTOSAR stacks and more complex diagnostic services due to expanded memory | Select when bootloader, crypto, and application code exceed 256 KB flash capacity of FS32K142WAT0WLFT |
| S32K142MT0VLHT | Same core and peripheral set but rated for -40 °C to +105 °C; uses 64-pin LQFP package | Targeted at cabin electronics (e.g., infotainment nodes) where extended temperature is unnecessary | Choose for cost-sensitive interior modules where thermal margin is lower and additional I/Os (58 vs. 43) are beneficial |
Compared with FS32K142WAT0WLFT, FS32K144WAT0WLFT offers scalable memory for future feature growth, while S32K142MT0VLHT trades thermal ruggedness for higher I/O count and broader package availability-both require PCB layout revision due to differing pinouts and thermal pad configurations.
Availability
FS32K142WAT0WLFT is available at Aetrix Electronics and suitable for automotive body electronics, under-hood control units, and safety-critical ECU designs requiring stable component supply, long-term lifecycle assurance, and ASIL-B compliance.
Supply support for FS32K142WAT0WLFT 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 FS32K142WAT0WLFT-is engineered specifically for automotive electronic control units, emphasizing functional safety (ISO 26262), security (SHE/CSEc), and real-time performance in harsh environments.
FAQ
What is the maximum operating frequency of the FS32K142WAT0WLFT?
The FS32K142WAT0WLFT operates at a maximum of 80 MHz in RUN mode. Its W-suffix denotes qualification for -40 °C to +150 °C ambient temperature, which restricts operation to RUN mode (not HSRUN) to ensure thermal reliability. This 80 MHz frequency is fully supported across the entire specified temperature range and enables deterministic execution for ASIL-B software tasks.
Does the FS32K142WAT0WLFT support CAN-FD?
Yes, the FS32K142WAT0WLFT integrates two FlexCAN modules that support CAN-FD (ISO 11898-1), enabling data rates up to 5 Mbps in the data phase. Both controllers include message RAM, acceptance filtering, and loopback/self-test modes. CAN-FD operation is validated across the full -40 °C to +150 °C range and requires external CAN transceivers compliant with ISO 11898-2/5.
What security features does the FS32K142WAT0WLFT include?
The FS32K142WAT0WLFT includes the Cryptographic Services Engine (CSEc), compliant with the SHE specification. It supports AES-128 encryption/decryption, SHA-256 hashing, true random number generation, and secure boot key management. Security operations execute in RUN mode (80 MHz); CSEc is inaccessible in HSRUN mode, and all secure functions require explicit mode switching for reliability.
Is the FS32K142WAT0WLFT pin-compatible with other S32K14x devices?
No-FS32K142WAT0WLFT uses a 48-pin LQFP package, while other S32K14x variants (e.g., K144, K146) in the same family use 64-pin, 100-pin, or 144-pin packages. Although the S32K14xW series shares architectural compatibility and peripheral sets, pin-to-pin compatibility only applies within identical package types (e.g., 48-pin LQFP variants). Board redesign is required when migrating to different pin counts.
What development tools support the FS32K142WAT0WLFT?
The FS32K142WAT0WLFT is fully supported by NXP S32 Design Studio (GCC-based IDE), IAR Embedded Workbench, and Arm Keil MDK. SDKs include drivers for FlexCAN, ADC, FlexTimer, and CSEc, along with AUTOSAR MCAL libraries. Hardware debugging uses standard SWD via LPC-Link2 or S32K144EVB evaluation boards, with trace capability through SWO and ITM.
FS32K142WAT0WLFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-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, FlexIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 43
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 23x12b SAR; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K142WAT0WLFT FAQ
1.How can I place an order for FS32K142WAT0WLFT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K142WAT0WLFT 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 FS32K142WAT0WLFT reliable?
The price and inventory of FS32K142WAT0WLFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K142WAT0WLFT is usually 5 days.
3.What payment methods are accepted for FS32K142WAT0WLFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K142WAT0WLFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K142WAT0WLFT?
FS32K142WAT0WLFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K142WAT0WLFT 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 FS32K142WAT0WLFT?
For technical support, including FS32K142WAT0WLFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K142WAT0WLFT requirements.
6.How does Aetrix verify that FS32K142WAT0WLFT is sourced from the original manufacturer or authorized distributors?
All FS32K142WAT0WLFT 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 FS32K142WAT0WLFT meets industry standards.
7.What is the process for return or replacement of FS32K142WAT0WLFT?
All FS32K142WAT0WLFT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K142WAT0WLFT, 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 FS32K142WAT0WLFT part is unused and in its original packaging.
Return procedure for FS32K142WAT0WLFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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