NXP Semiconductors FS32K144HRT0MLLR
- Part No.:
- FS32K144HRT0MLLR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
FS32K144HRT0MLLR.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
FS32K144HRT0MLLR from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with 2 MB flash, 256 KB SRAM, and integrated CSEc security engine. It operates at up to 112 MHz in HSRUN mode (−40 °C to +105 °C ambient), supports CAN-FD, FlexCAN, LPUART/LIN, and is qualified for ASIL-B functional safety applications in vehicle body control modules.
For engineers reviewing the FS32K144HRT0MLLR datasheet, FS32K144HRT0MLLR pinout, FS32K144HRT0MLLR application, or FS32K144HRT0MLLR equivalent, this page delivers verified technical context, package mapping, real-world use scenarios, and validated alternative options - all grounded in NXP's S32K1xx Rev. 15 datasheet and orderable part documentation.
Technical Context
The FS32K144HRT0MLLR implements a dual-core capable architecture with Arm Cortex-M4F core (112 MHz HSRUN / 80 MHz RUN) and optional M0+ co-processor support, featuring integrated DSP extensions, single-precision FPU, and configurable NVIC. Its clock system includes SOSC (4–40 MHz), FIRC (48 MHz), SIRC (8 MHz), LPO (128 kHz), and SPLL (up to 112 MHz).
Power management integrates PMC with five modes (HSRUN, RUN, STOP, VLPR, VLPS); memory subsystem includes ECC-protected 2 MB flash, 64 KB FlexNVM for EEPROM emulation, 256 KB SRAM, and 4 KB FlexRAM. Safety features include System MPU, CRC, WDOG, EWM, and CSEc compliant with SHE specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with DSP and single-precision FPU - enables real-time signal processing and floating-point math in motor control and sensor fusion. |
| Max Clock Frequency | 112 MHz in HSRUN mode (−40 °C to +105 °C) - delivers high-performance execution for time-critical automotive tasks. |
| Flash Memory | 2 MB with ECC - ensures reliable program storage and error resilience in harsh automotive environments. |
| SRAM | 256 KB with ECC - provides robust data buffering and runtime variable storage for safety-critical firmware. |
| Operating Voltage | 2.7 V to 5.5 V - supports direct connection to 3.3 V or 5 V automotive power domains without level-shifting. |
| Temperature Range | −40 °C to +125 °C (M-grade) - certified for under-hood and powertrain-adjacent applications requiring extended thermal tolerance. |
| CAN Interface | 3× FlexCAN modules with optional CAN-FD - enables high-bandwidth communication across multiple ECUs in modern vehicle networks. |
| Security Engine | Cryptographic Services Engine (CSEc) - implements SHE-compliant AES, SHA, RNG, and secure boot for firmware integrity and key management. |
Pinout & Package
FS32K144HRT0MLLR is housed in a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch), pin-compatible with other S32K14x devices in the same package variant. This package supports full peripheral access including all 3 FlexCAN channels, 3 LPUARTs, 3 LPSPIs, 2 LPI2Cs, 8 FlexTimers, and 156 GPIOs (with interrupt capability).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply rails | Must be decoupled locally; VDD/VDDA differential ≤ ±0.1 V ensures ADC accuracy and analog comparator stability. |
| RESET_B | Active-low reset input | Asynchronous, low-voltage detect-enabled - initiates cold start or recovery after brownout or watchdog timeout. |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Enables non-intrusive debug, trace, and flash programming via standard ARM SWD protocol (no JTAG pins required). |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 differential I/O | Requires external CAN transceiver; supports ISO 11898-1 physical layer and CAN-FD data rates up to 5 Mbps. |
| FTM0_CH0–CH7 | FlexTimer module channel outputs | Configurable as PWM, input capture, or output compare - used for motor gate drive timing and encoder signal decoding. |
| ADC0_SE0–SE31 | Analog inputs for 12-bit SAR ADC | Up to 32-channel multiplexed sampling at 1 MSPS - supports battery voltage monitoring, temperature sensing, and current shunt measurement. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | Integrated System MPU, ECC on flash/SRAM, CRC engine, dual watchdog (WDOG + EWM), and lockstep-capable peripherals enable ISO 26262 compliance. |
| Flexible Power Modes | Five distinct low-power states (HSRUN/RUN/STOP/VLPR/VLPS) with sub-μA stop-current - optimizes energy use in always-on vehicle gateway or telematics modules. |
| Secure Boot & Key Management | CSEc enforces authenticated boot, encrypted firmware updates, and hardware-secured key storage - prevents cloning and over-the-air tampering. |
| Peripheral Multiplexing | TRGMUX and IO MUX allow dynamic routing of signals (e.g., UART to any GPIO set) - reduces PCB layer count and simplifies layout reuse across variants. |
| QuadSPI with HyperBus™ | Supports external XIP-capable NOR flash up to 133 MHz - enables fast code execution from external memory while preserving internal flash for critical firmware. |
| Functional Safety Support | Includes self-test libraries (SIL2/SIL3), FMEDA reports, and safety manuals - accelerates ASIL-B certification for body control, lighting, and HVAC systems. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU executing real-time CAN message arbitration, PWM-driven motor control, and LIN slave coordination. Use Value: 156 GPIOs and 3 FlexCAN interfaces enable consolidation of discrete controllers; CSEc secures OTA update authentication against replay attacks. |
Use Scenario: Closed-loop torque assist control using steering angle, torque, and motor position feedback. IC Role / Device Role / Timing Role: Real-time motor controller running FOC algorithms at 10 kHz loop rate with deterministic ADC sampling and PWM generation. Use Value: 112 MHz HSRUN mode and FPU deliver <1 μs interrupt latency; dual 12-bit ADCs sample 3-phase currents simultaneously with <100 ns skew. |
| Vehicle Gateway | Advanced Lighting Control |
Use Scenario: Protocol translation between CAN FD, LIN, and Ethernet domains in zonal architectures. IC Role / Device Role / Timing Role: Bridge MCU managing firewall rules, message filtering, and secure tunneling between domains. Use Value: IEEE 1588-capable Ethernet MAC synchronizes time-critical diagnostics; CSEc encrypts inter-domain payloads to prevent eavesdropping. |
Use Scenario: Adaptive LED headlight beam shaping with pixel-level dimming and thermal derating. IC Role / Device Role / Timing Role: High-resolution PWM generator coordinating >64 LED strings via FlexIO-emulated SPI and analog current regulation. Use Value: 8× FlexTimer modules provide independent 16-bit PWM channels; 12-bit ADC monitors LED junction temperature for closed-loop thermal management. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146HRT0MLLR | 2 MB flash, 512 KB SRAM, adds Ethernet MAC and second SAI - no change in package or pinout. | Required for designs needing 10/100 Mbps vehicle networking or audio streaming (e.g., HUD voice feedback). | Select when Ethernet or dual SAI is mandatory; otherwise FS32K144HRT0MLLR offers identical peripheral set at lower cost. |
| S32K144HRT0VLHR | V-grade (−40 °C to +105 °C), same flash/SRAM/peripherals, but 100-pin LQFP package (not 144-pin). | Suitable for space-constrained modules where full GPIO count is not needed (e.g., seat control, HVAC actuator). | Choose for footprint reduction and lower BOM cost where 156 GPIOs and all 3 FlexCANs are unnecessary. |
Compared with S32K146HRT0MLLR, FS32K144HRT0MLLR omits Ethernet and second SAI but retains identical safety, security, and timing capabilities - making it optimal for cost-sensitive ASIL-B body electronics. Against S32K144HRT0VLHR, the M-grade 144-pin variant enables higher I/O density and thermal margin for under-hood deployment.
Availability
FS32K144HRT0MLLR is available at Aetrix Electronics and suitable for automotive body control, electric power steering, vehicle gateway, and advanced lighting systems requiring stable component supply across long production lifecycles.
Supply support for FS32K144HRT0MLLR 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 leader in automotive semiconductors, delivering secure, scalable MCUs with functional safety certification and broad ecosystem support.
The S32K1xx family targets ASIL-B automotive applications including body electronics, chassis control, and domain gateways - designed for seamless integration with AUTOSAR, ISO 26262 workflows, and NXP's S32 Design Studio toolchain.
FAQ
What is the maximum operating frequency of the FS32K144HRT0MLLR and under what conditions?
The FS32K144HRT0MLLR achieves 112 MHz in HSRUN mode, guaranteed across −40 °C to +105 °C ambient temperature. Operation at this frequency requires VDD ≥ 2.7 V and disables CSEc execution and EEPROM writes - those functions must be performed in 80 MHz RUN mode per NXP's datasheet Rev. 15 section 1.1.
Does the FS32K144HRT0MLLR support CAN-FD, and how many CAN interfaces does it include?
Yes, the FS32K144HRT0MLLR includes three FlexCAN modules, each supporting CAN-FD (ISO 11898-1) with data rates up to 5 Mbps. All three channels are accessible in the 144-pin LQFP package and operate independently with dedicated message buffers and acceptance filtering.
What security features are implemented in the FS32K144HRT0MLLR, and are they hardware-accelerated?
The FS32K144HRT0MLLR integrates the Cryptographic Services Engine (CSEc), a dedicated hardware security module compliant with SHE specification. It provides AES-128/256, SHA-256, RSA-2048, ECC P-256, TRNG, and secure boot - all executed in hardened logic without CPU intervention, ensuring deterministic latency and side-channel resistance.
Is the FS32K144HRT0MLLR pin-compatible with other S32K14x devices in the same package?
Yes, all S32K14x devices sharing the 144-pin LQFP package - including FS32K142HRT0MLLR, FS32K144HRT0MLLR, and FS32K146HRT0MLLR - are fully pin-to-pin compatible. Peripheral availability is determined by silicon configuration, not pinout, enabling hardware reuse across performance tiers.
What is the flash memory endurance and data retention specification for the FS32K144HRT0MLLR?
The FS32K144HRT0MLLR specifies 100,000 write/erase cycles for its 2 MB program flash memory and 10-year data retention at +125 °C junction temperature. ECC protection detects and corrects single-bit errors and detects multi-bit errors, ensuring long-term reliability in automotive under-hood environments.
FS32K144HRT0MLLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-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:
- 89
- 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:
FS32K144HRT0MLLR FAQ
1.How can I place an order for FS32K144HRT0MLLR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K144HRT0MLLR 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 FS32K144HRT0MLLR reliable?
The price and inventory of FS32K144HRT0MLLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K144HRT0MLLR is usually 5 days.
3.What payment methods are accepted for FS32K144HRT0MLLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K144HRT0MLLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K144HRT0MLLR?
FS32K144HRT0MLLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K144HRT0MLLR 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 FS32K144HRT0MLLR?
For technical support, including FS32K144HRT0MLLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K144HRT0MLLR requirements.
6.How does Aetrix verify that FS32K144HRT0MLLR is sourced from the original manufacturer or authorized distributors?
All FS32K144HRT0MLLR 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 FS32K144HRT0MLLR meets industry standards.
7.What is the process for return or replacement of FS32K144HRT0MLLR?
All FS32K144HRT0MLLR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K144HRT0MLLR, 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 FS32K144HRT0MLLR part is unused and in its original packaging.
Return procedure for FS32K144HRT0MLLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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