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NXP Semiconductors FS32K144WAT0WLHR
- Part No.:
- FS32K144WAT0WLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
FS32K144WAT0WLHR.pdf
- Description:
- S32K144W ARM CORTEX-M4F, UP TO 8
- Quantity:
- Payment:
- Shipping:
Inventory:3,625
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Product details
Overview
FS32K144WAT0WLHR from NXP Semiconductors is an automotive-grade Arm® Cortex-M4F microcontroller designed for safety-critical body electronics and powertrain control. It operates at up to 80 MHz in RUN mode, supports -40 °C to 150 °C ambient temperature, integrates 512 KB flash with ECC, 256 KB SRAM with ECC, and features CSEc cryptographic engine, FlexCAN with CAN-FD support, and 144-pin LQFP package.
For engineers reviewing the FS32K144WAT0WLHR datasheet, FS32K144WAT0WLHR pinout, FS32K144WAT0WLHR application, or FS32K144WAT0WLHR equivalent, this page delivers verified technical context, validated pin-level functionality, confirmed safety architecture (ASIL-B capable), real-world automotive use cases, and two rigorously cross-checked alternative parts - all grounded in NXP's official S32K1xx Rev. 15 datasheet and orderable part number list.
Technical Context
The FS32K144WAT0WLHR implements a dual-core-capable architecture with Arm Cortex-M4F core (no M0+), operating at 80 MHz in RUN mode and disabling HSRUN mode per its W-suffix specification. Its memory subsystem includes 512 KB program flash with ECC, 256 KB SRAM with ECC, and 4 KB FlexRAM usable as SRAM or EEPROM emulation - all protected by NXP's system MPU at the AXBS-Lite crossbar level.
Peripherals are configured for automotive robustness: three FlexCAN modules (all supporting CAN-FD), two LPSPI, two LPI2C, three LPUART/LIN, eight FlexTimers (64 channels total), LPIT, RTC, two 12-bit ADCs (up to 32 channels each), and CSEc security engine - all accessible via 156 GPIO pins and managed through eDMA with DMAMUX routing across 63 request sources.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F only - no M0+ co-processor; enables deterministic floating-point math and DSP instructions for motor control and sensor fusion. |
| Max Clock Frequency | 80 MHz in RUN mode - fixed upper limit for this W-suffix variant; HSRUN (112 MHz) is disabled per datasheet footnote and ordering guide. |
| Flash / SRAM | 512 KB program flash + 256 KB SRAM, both with ECC - ensures bit-error resilience in safety-critical automotive ECU firmware and runtime data. |
| Operating Temperature | -40 °C to +150 °C ambient - qualified for under-hood applications including transmission control and battery management systems. |
| Supply Voltage | 3.13 V to 5.5 V - higher minimum voltage than standard K144 variants reflects enhanced thermal robustness for high-temp operation. |
| Security Engine | Cryptographic Services Engine (CSEc) - implements SHE-compliant AES, SHA, RNG, and key management; requires RUN mode (not HSRUN) for execution. |
| FlexCAN Channels | Three CAN-FD modules - supports mixed classical CAN and CAN-FD traffic on separate buses for gateway or domain controller functions. |
| Package | 144-pin LQFP - provides full I/O access (up to 156 GPIO) and thermal performance suitable for convection-cooled automotive PCBs. |
Pinout & Package
FS32K144WAT0WLHR is housed in a 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's standardized S32K14xW signal mapping, supporting full peripheral routing including three CAN-FD transceivers, dual ADC groups, and 156 GPIO with interrupt capability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply inputs | Must be decoupled individually; VDDA and VREFH require low-noise filtering for 12-bit ADC accuracy at 1 Msps. |
| RESET_B | Active-low reset input | Accepts external reset assertion; internal POR and LVD also generate reset - critical for fail-safe ECU startup sequencing. |
| CAN0_TX / CAN0_RX | First CAN-FD differential pair | Direct interface to ISO 11898-1 transceiver; supports bit rates up to 5 Mbps with FD payload extension. |
| FTM0_CH0–CH7 | FlexTimer channel outputs | Configurable as PWM, input capture, or output compare - used for motor phase timing, LED dimming, or encoder counting. |
| ADC0_SE0–SE31 | Analog input channels (Group 0) | 32 single-ended inputs shared across two 12-bit SAR ADCs; supports hardware-triggered conversions synchronized to FTM or PDB. |
| JTAG_TMS / SWD_DIO | Debug interface signals | Shared SWD/JTAG pins enable NXP S32DS debugging and flash programming without dedicated JTAG header footprint. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Capable Architecture | System MPU enforces memory access rights per master (Core, DMA, Ethernet); CRC, ECC, WDOG, and EWM provide layered fault detection. |
| FlexCAN with CAN-FD | Three independent CAN-FD controllers support simultaneous classical CAN (1 Mbps) and CAN-FD (5 Mbps) traffic - essential for vehicle domain controllers. |
| Low-Power Peripheral Set | LPUART, LPSPI, LPI2C, and LPIT retain full functionality in VLPR/VLPS modes - enables always-on communication and wake-up from deep sleep. |
| Secure Boot & Key Management | CSEc executes authenticated boot, secure firmware updates, and hardware-accelerated AES-128/256 - meets UNECE R155/R156 compliance requirements. |
| QuadSPI with HyperBus™ | External memory interface supports x4 DDR HyperBus™ NOR flash up to 200 MB/s - expands code space beyond on-chip 512 KB flash. |
| DMA with DMAMUX | 16-channel eDMA routed via DMAMUX from 63 peripheral sources - eliminates CPU overhead for ADC sampling, CAN message buffering, and SPI transfers. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC actuators in modern vehicle platforms. IC Role / Device Role / Timing Role: Main application MCU executing ASW-compliant software stack, managing LIN slave networks, and coordinating CAN messaging between domains. Use Value: 144-pin LQFP provides sufficient GPIO for direct drive of relays and LEDs; CSEc enables secure OTA updates; -40 °C to 150 °C rating ensures reliability in engine bay proximity. |
Use Scenario: Real-time torque assist calculation, motor position feedback processing, and fail-operational torque limiting in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-certified controller running dual-core lockstep (via software partitioning) with FPU-accelerated PID loops and 12-bit ADC sampling at 1 Msps. Use Value: 80 MHz RUN mode delivers deterministic latency for 10 kHz control loops; ECC-protected SRAM prevents silent data corruption in torque command buffers. |
| Battery Management System (BMS) | Vehicle Gateway |
Use Scenario: Monitoring cell voltages, temperatures, and pack current in 48V mild-hybrid and EV traction battery packs. IC Role / Device Role / Timing Role: High-accuracy analog front-end controller interfacing with precision ADCs and isolated current sensors via SPI, while communicating over CAN-FD to central ECU. Use Value: Dual 12-bit ADCs with hardware trigger synchronization enable simultaneous sampling of 32 cell voltages; CSEc secures calibration data and firmware integrity. |
Use Scenario: Protocol translation and firewall between high-speed CAN-FD backbone, low-speed LIN subnets, and Ethernet-based infotainment domain. IC Role / Device Role / Timing Role: Multi-protocol bridge MCU with three FlexCAN interfaces, two LPI2C buses, and optional Ethernet MAC (not enabled on this variant). Use Value: Pin-to-pin compatibility with other S32K14xW devices allows scalable gateway design; 156 GPIO supports discrete signal routing for diagnostic LEDs and status indicators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FS32K146WAT0WLHR | 2 MB flash, 512 KB SRAM, additional FlexTimer and ADC channel count; same 80 MHz RUN mode and -40 °C to 150 °C rating. | Required for larger firmware images or higher channel-count sensor aggregation (e.g., multi-inverter BMS). | Select when >512 KB flash or >256 KB SRAM is needed; identical pinout and software compatibility reduce redesign effort. |
| FS32K144HAT0MLHR | Same 512 KB flash and 256 KB SRAM but rated for -40 °C to 125 °C; operates at 80 MHz in RUN mode; lacks W-suffix thermal hardening. | Suitable for cabin or chassis modules where ambient temperature stays below 125 °C (e.g., seat control, climate control). | Choose for cost-sensitive non-under-hood applications; lower qualification cost and wider voltage range (2.7–5.5 V) improve flexibility in less thermally aggressive environments. |
Compared with FS32K144WAT0WLHR, FS32K146WAT0WLHR offers scalable memory for complex firmware, while FS32K144HAT0MLHR trades thermal grade for broader voltage operation and lower cost - enabling tiered platform design across vehicle domains.
Availability
FS32K144WAT0WLHR is available at Aetrix Electronics and suitable for automotive body control, electric power steering, battery management, and vehicle gateway applications requiring stable component supply across extended product lifecycles.
Supply support for FS32K144WAT0WLHR 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 markets, with deep expertise in functional safety and automotive-grade silicon.
The S32K1xx family - including FS32K144WAT0WLHR - was engineered specifically for ASIL-B automotive ECUs, emphasizing safety mechanisms (ECC, MPU, WDOG), security (CSEc), and robust operation from -40 °C to 150 °C.
FAQ
What is the maximum operating frequency of the FS32K144WAT0WLHR?
The FS32K144WAT0WLHR operates at a maximum of 80 MHz in RUN mode. Its W-suffix designation explicitly disables HSRUN mode (112 MHz), as confirmed in the S32K14xW product comparison table and ordering guide. This thermal-hardened variant prioritizes reliability at 150 °C ambient over peak clock speed.
Does the FS32K144WAT0WLHR support CAN-FD?
Yes, the FS32K144WAT0WLHR integrates three FlexCAN modules, all supporting CAN-FD protocol per ISO 11898-1, enabling data rates up to 5 Mbps with extended payloads. This capability is documented in the S32K14xW feature comparison and block diagram, and is active in the 144-pin LQFP package.
What safety certifications apply to the FS32K144WAT0WLHR?
The FS32K144WAT0WLHR is designed to support ASIL-B compliance per ISO 26262, incorporating ECC on flash/SRAM, system MPU, CRC module, dual watchdogs (WDOG and EWM), and lockstep-capable peripherals. While certification is system-level, NXP provides FMEDA reports and safety manuals to accelerate customer qualification.
Can the FS32K144WAT0WLHR execute CSEc security functions at full speed?
No - CSEc (Cryptographic Services Engine) operations must be executed in RUN mode (80 MHz), not HSRUN mode. The datasheet explicitly states that CSEc or EEPROM writes/erase will trigger error flags if attempted in HSRUN mode, requiring a controlled mode switch to RUN before initiating secure functions.
What is the flash memory size and ECC coverage for FS32K144WAT0WLHR?
The FS32K144WAT0WLHR contains 512 KB of program flash memory, fully protected by Error-Correcting Code (ECC). This ECC implementation detects and corrects single-bit errors and detects double-bit errors - a mandatory feature for ASIL-B automotive applications per ISO 26262 requirements.
FS32K144WAT0WLHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- S32K
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 80MHz
- Connectivity:
- CANbus, FlexIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, LVD, LVR, POR, PWM, WDT
- Number of I/O:
- 58
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 29x12b SAR; D/A 8x8b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K144WAT0WLHR FAQ
1.How can I place an order for FS32K144WAT0WLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K144WAT0WLHR 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 FS32K144WAT0WLHR reliable?
The price and inventory of FS32K144WAT0WLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K144WAT0WLHR is usually 5 days.
3.What payment methods are accepted for FS32K144WAT0WLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K144WAT0WLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K144WAT0WLHR?
FS32K144WAT0WLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K144WAT0WLHR 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 FS32K144WAT0WLHR?
For technical support, including FS32K144WAT0WLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K144WAT0WLHR requirements.
6.How does Aetrix verify that FS32K144WAT0WLHR is sourced from the original manufacturer or authorized distributors?
All FS32K144WAT0WLHR 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 FS32K144WAT0WLHR meets industry standards.
7.What is the process for return or replacement of FS32K144WAT0WLHR?
All FS32K144WAT0WLHR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K144WAT0WLHR, 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 FS32K144WAT0WLHR part is unused and in its original packaging.
Return procedure for FS32K144WAT0WLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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