NXP Semiconductors FS32K144HNT0MLHR
- Part No.:
- FS32K144HNT0MLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
FS32K144HNT0MLHR.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
FS32K144HNT0MLHR 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/80 MHz RUN operation, and integrated CSEc security engine. It supports CAN-FD, FlexCAN, LPUART/LIN, LPSPI, LPI2C, FlexIO, and Ethernet MAC - deployed in vehicle body control modules requiring ASIL-B functional safety compliance.
For engineers reviewing the FS32K144HNT0MLHR datasheet, FS32K144HNT0MLHR pinout, FS32K144HNT0MLHR application, or FS32K144HNT0MLHR equivalent, key selection criteria include its -40 °C to +125 °C extended temperature grade (M), 144-pin LQFP package, dual-core debug support (SWD/JTAG), and mandatory mode-switching requirement for CSEc/EEPROM operations (RUN mode only).
Technical Context
The FS32K144HNT0MLHR implements a single Arm Cortex-M4F core with FPU and DSP extensions, operating at up to 112 MHz in HSRUN mode (with voltage and thermal constraints) or 80 MHz in RUN mode. Its memory subsystem includes 2 MB program flash with ECC, 64 KB FlexNVM for EEPROM emulation, and 256 KB SRAM with ECC - all protected by NXP's system-level MPU routed through the AXBS-Lite crossbar switch.
Power management is governed by the PMC supporting five modes: HSRUN, RUN, STOP, VLPR, and VLPS. Critical safety functions - including CSEc cryptographic execution and FlexNVM write/erase - are explicitly prohibited in HSRUN mode per documentation; switching to RUN mode (80 MHz) is required to avoid error flag assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Voltage Range | 2.7 V to 5.5 V - supports direct connection to automotive battery rails with transient tolerance up to 5.8 V for ≤60 s. |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood applications per M-grade specification (TJ ≤135 °C in RUN mode). |
| CPU Core | Arm Cortex-M4F with FPU and DSP - delivers 1.25 Dhrystone MIPS/MHz; enables real-time motor control and sensor fusion algorithms. |
| Flash / SRAM | 2 MB program flash + 256 KB SRAM, both with ECC - ensures data integrity in safety-critical automotive firmware and runtime variables. |
| Security Engine | Cryptographic Services Engine (CSEc) - implements SHE-compliant AES-128, SHA-256, RNG, and secure boot; requires RUN mode (80 MHz) for execution. |
| Communication | 3× FlexCAN (CAN-FD capable), 3× LPUART/LIN, 3× LPSPI, 2× LPI2C, FlexIO - enables multi-bus vehicle networking with low-power wake-up capability. |
| ADC & Timers | 2× 12-bit ADC (1 Msps, 32 ch total), 8× FlexTimer (64 PWM/IC/OC channels), LPIT, LPTMR, PDB - supports precise actuator control and time-triggered diagnostics. |
Pinout & Package
FS32K144HNT0MLHR is housed in a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's S32K14x family layout, supporting full peripheral routing including dual CAN-FD transceivers, Ethernet PHY interface, and 156 GPIOs (pin-count constrained by package).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital power supply inputs | Must be decoupled locally; VDD/VDDA differential ≤ ±0.1 V ensures ADC accuracy and I/O noise immunity. |
| RESET_B | Active-low reset input | Asynchronous, level-sensitive; compatible with external watchdogs (EWM) and power-on reset ICs. |
| JTAG_TMS/SWD_DIO | Debug interface bidirectional signal | Shared SWD/JTAG pin; enables non-intrusive debugging and flash programming without dedicated JTAG header. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Requires external CAN transceiver; supports ISO 11898-1 CAN-FD up to 5 Mbps with bit-rate switching. |
| ENET_MDC / ENET_MDIO | Ethernet management interface | Connects to external PHY for IEEE 1588 timestamping and TSN-capable network synchronization. |
| RTC_CLKIN | 32.768 kHz external crystal input | Drives Real Time Counter independently of main clock domain; enables low-power timekeeping during STOP/VLPS modes. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | System MPU, ECC on flash/SRAM, CRC module, dual-wdt (WDOG + EWM), and lockstep-capable peripherals meet ISO 26262 requirements. |
| Flexible Power Modes | Five distinct low-power states (HSRUN/RUN/STOP/VLPR/VLPS) with configurable wake-up sources - reduces quiescent current to <10 µA in VLPS. |
| QuadSPI with HyperBus™ | Enables external XIP execution from high-speed NOR flash or PSRAM, extending effective code space beyond on-chip 2 MB flash. |
| FlexIO Programmability | 8-pin module emulates UART, SPI, I2C, I2S, LIN, or custom protocols - eliminates need for external protocol bridge ICs in mixed-interface systems. |
| Secure Boot & Key Management | CSEc enforces authenticated boot, key wrapping, and secure firmware updates - prevents unauthorized code execution and cloning. |
Applications
| Body Control Module (BCM) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU executing AUTOSAR BSW and application software; manages CAN-FD communication with ECUs and LIN with sensors. Use Value: 156 GPIOs and 3× CAN-FD interfaces enable consolidation of multiple legacy modules into one board; ECC memory ensures reliability over 15-year vehicle lifetime. | Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Real-time edge processor handling time-critical sensor fusion, timestamp alignment via IEEE 1588, and fail-safe diagnostics. Use Value: Dual 12-bit ADCs (1 Msps) and 8× FlexTimers provide deterministic sampling and PWM generation for synchronized sensor triggering and actuator feedback. |
| Electric Power Steering (EPS) Controller | Vehicle Gateway Module |
Use Scenario: Closed-loop torque assist control with torque sensor feedback, motor phase current monitoring, and CAN communication to steering column ECU. IC Role / Device Role / Timing Role: Safety-critical control MCU running ASIL-B compliant motor control algorithms; uses LPIT and PDB for sub-microsecond timing precision. Use Value: HSRUN mode (112 MHz) delivers computational headroom for field-oriented control (FOC); CSEc secures firmware updates against tampering. | Use Scenario: Protocol translation and firewall between high-speed backbone (Ethernet) and legacy domains (CAN, LIN, FlexRay). IC Role / Device Role / Timing Role: Network gateway MCU managing packet routing, filtering, and secure OTA update distribution across vehicle networks. Use Value: Integrated 10/100 Mbps Ethernet MAC with IEEE 1588 support enables precise time-synchronized message forwarding; FlexIO handles custom legacy bus bridging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K144HFT0MLHT | Same core, memory, and peripherals but 100-pin LQFP package; lacks Ethernet MAC and one FlexCAN channel. | Targeted at cost-optimized body electronics where Ethernet and third CAN are unnecessary. | Select when board space or BOM cost constraints eliminate need for Ethernet or full CAN-FD count. |
| S32K146HNT0MLHR | Identical 144-pin LQFP package and M-grade temp range, but adds 1 MB additional flash (3 MB total) and second Ethernet MAC. | Required for complex gateways or domain controllers needing redundant network stacks or larger OTA update partitions. | Choose when firmware image size exceeds 2 MB or dual Ethernet interfaces are mandatory for redundancy or segmentation. |
Compared with FS32K144HNT0MLHR, S32K144HFT0MLHT trades Ethernet and CAN-FD for smaller footprint and lower cost, while S32K146HNT0MLHR extends flash and Ethernet capability - both retain identical safety architecture, CSEc, and power modes for seamless migration within the S32K14x family.
Availability
FS32K144HNT0MLHR is available at Aetrix Electronics and suitable for automotive body control, ADAS sensor hubs, electric power steering, and vehicle gateway applications requiring stable component supply across long production lifecycles.
Supply support for FS32K144HNT0MLHR 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.
The S32K1xx family was designed specifically for automotive electronic control units demanding ASIL-B functional safety, robust security (CSEc), and real-time performance - targeting body, chassis, and gateway applications in modern vehicle architectures.
FAQ
What is the maximum operating frequency of the FS32K144HNT0MLHR and under what conditions?
The FS32K144HNT0MLHR operates at up to 112 MHz in HSRUN mode and 80 MHz in RUN mode. HSRUN mode requires VDD ≥ 4.5 V and ambient temperature ≤ 105 °C; above 105 °C, only RUN mode (80 MHz) is permitted per thermal specifications. The device automatically throttles if thermal or voltage limits are exceeded.
Does the FS32K144HNT0MLHR support CAN-FD, and how many instances are available?
Yes, the FS32K144HNT0MLHR integrates three FlexCAN modules, each supporting CAN-FD per ISO 11898-1 with bit-rate switching up to 5 Mbps. All three channels are fully functional in the 144-pin LQFP package, with dedicated TX/RX pins mapped to separate port groups for EMI isolation.
Why does CSEc execution require switching from HSRUN to RUN mode on the FS32K144HNT0MLHR?
Per NXP documentation, CSEc cryptographic operations and FlexNVM EEPROM writes/erases are explicitly prohibited in HSRUN mode (112 MHz) due to timing and voltage stability constraints. The FS32K144HNT0MLHR must transition to RUN mode (80 MHz) to execute these functions - failure to do so triggers error flags and halts secure operations.
What package type and pin count does the FS32K144HNT0MLHR use?
The FS32K144HNT0MLHR uses a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. This package supports full peripheral routing including all three FlexCAN interfaces, Ethernet MAC signals, and 156 GPIOs - though actual usable I/O count depends on multiplexing configuration.
Is the FS32K144HNT0MLHR qualified for automotive AEC-Q100 Grade 1 or Grade 0?
The FS32K144HNT0MLHR is qualified per AEC-Q100 Grade 1 (–40 °C to +125 °C ambient), matching its M-grade temperature rating. It meets stress test requirements for HTOL, TC, UHAST, and ESD per AEC-Q100 Rev G, and is certified for ASIL-B development per ISO 26262:2018 Part 2.
FS32K144HNT0MLHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- S32K
- Packaging:
- Tape & Reel (TR)
- 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:
- 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):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b SAR; D/A1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K144HNT0MLHR FAQ
1.How can I place an order for FS32K144HNT0MLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K144HNT0MLHR 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 FS32K144HNT0MLHR reliable?
The price and inventory of FS32K144HNT0MLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K144HNT0MLHR is usually 5 days.
3.What payment methods are accepted for FS32K144HNT0MLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K144HNT0MLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K144HNT0MLHR?
FS32K144HNT0MLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K144HNT0MLHR 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 FS32K144HNT0MLHR?
For technical support, including FS32K144HNT0MLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K144HNT0MLHR requirements.
6.How does Aetrix verify that FS32K144HNT0MLHR is sourced from the original manufacturer or authorized distributors?
All FS32K144HNT0MLHR 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 FS32K144HNT0MLHR meets industry standards.
7.What is the process for return or replacement of FS32K144HNT0MLHR?
All FS32K144HNT0MLHR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K144HNT0MLHR, 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 FS32K144HNT0MLHR part is unused and in its original packaging.
Return procedure for FS32K144HNT0MLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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