NXP Semiconductors FS32K144HAT0MLHR
- Part No.:
- FS32K144HAT0MLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
FS32K144HAT0MLHR.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
FS32K144HAT0MLHR from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller designed for real-time control in safety-critical ECUs. It operates at up to 112 MHz (HSRUN mode), features 2 MB program flash with ECC, 256 KB SRAM with ECC, and supports -40 °C to +125 °C ambient operation. Its integrated CSEc security engine, FlexCAN with CAN-FD, and dual 12-bit ADCs make it suitable for body control modules and gateway applications.
For engineers reviewing the FS32K144HAT0MLHR datasheet, FS32K144HAT0MLHR pinout, FS32K144HAT0MLHR application, or FS32K144HAT0MLHR equivalent, key selection considerations include HSRUN/RUN mode switching constraints for EEPROM/CSEc operations, 144-pin LQFP package compatibility, ASIL-B capable peripherals, and voltage range (2.7–5.5 V) compliance for 12 V automotive systems.
Technical Context
The FS32K144HAT0MLHR implements a dual-core execution environment via Arm Cortex-M4F with FPU and optional M0+ co-processor support (per family architecture), enabling deterministic real-time control alongside signal processing tasks. Its clock system integrates SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz), with configurable power modes (HSRUN, RUN, STOP, VLPR, VLPS) governed by PMC.
Memory subsystem includes ECC-protected 2 MB flash, 64 KB FlexNVM for EEPROM emulation, 256 KB SRAM, and 4 KB FlexRAM - all accessible via AXBS-Lite crossbar switch with eDMA (16-channel) and DMAMUX routing. Safety mechanisms include System MPU (crossbar-level memory protection), CRC module, WDOG/EWM, and CSEc compliant with SHE specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with single-precision FPU and DSP extensions - enables floating-point math and signal processing without external coprocessor. |
| Max Clock Frequency | 112 MHz in HSRUN mode; 80 MHz in RUN mode - higher frequency requires mode switch before CSEc/EEPROM access. |
| Flash Memory | 2 MB with ECC - supports robust code storage and error detection/correction for ASIL-B functional safety compliance. |
| SRAM | 256 KB with ECC - provides protected working memory for real-time task stacks and buffers. |
| Operating Voltage | 2.7 V to 5.5 V - compatible with wide-range automotive battery supply including cold-crank conditions. |
| Temperature Range | -40 °C to +125 °C (M-grade) - qualified for under-hood ECU deployment per AEC-Q100 Grade 1. |
| FlexCAN Channels | 3 modules with optional CAN-FD support - enables high-bandwidth vehicle network communication with backward compatibility. |
| ADC | Two 12-bit SAR ADCs, up to 32 channels total, 1 Msps - supports sensor fusion in motor control and battery monitoring. |
Pinout & Package
FS32K144HAT0MLHR is housed in a 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch), RoHS-compliant and moisture-sensitive level 3. Pin count and I/O availability align with full peripheral enablement across FlexCAN, LPUART, LPSPI, LPI2C, FlexIO, and GPIO (up to 156 pins).
| 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 reset assertion halts CPU and peripherals; debounced externally for noise immunity. |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Enables non-intrusive debug, trace, and flash programming using standard ARM SWD protocol. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Requires external CAN transceiver; supports ISO 11898-1 physical layer up to 5 Mbps (CAN-FD). |
| ADC0_SE0–ADC0_SE31 | Analog input channels | Configurable single-ended inputs for sensors; shared with GPIO; require proper VREFH/VREFL biasing. |
| FTM0_CH0–FTM0_CH7 | FlexTimer PWM/OC/IC outputs | Hardware-timed outputs for motor gate drive, LED dimming, or encoder capture with dead-time insertion. |
Key Features
| Feature | Design Value |
|---|---|
| Cryptographic Services Engine (CSEc) | Hardware-accelerated AES-128/256, SHA-256, RNG, and secure boot - meets SHE v3.1 for ECU firmware authentication. |
| System Memory Protection Unit (MPU) | Crossbar-switch level memory firewall - enforces access rights per master (CPU, DMA, Ethernet) to prevent unauthorized memory access. |
| FlexIO Module | 8-pin programmable interface supporting UART, SPI, I2C, I2S, LIN, or PWM emulation - replaces discrete protocol ICs in space-constrained designs. |
| Low-Power Timer Suite | LPTMR, LPIT (4-channel), RTC, and PDB - enables precise wake-up scheduling and time-stamped event capture in VLPS/VLPR modes. |
| QuadSPI with HyperBus™ | External memory interface supporting x4 DDR reads up to 133 MHz - expands code/data space beyond on-chip flash/SRAM. |
| ASIL-B Capable Peripherals | WDOG, EWM, CRC, ECC, and lockstep-capable timers - provides diagnostic coverage required for ISO 26262 ASIL-B decomposition. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time state machines, CAN message routing, and PWM-driven actuator control. Use Value: 144-pin LQFP provides sufficient I/O for multi-peripheral integration; CSEc secures OTA update verification; HSRUN mode enables fast response to driver inputs. |
Use Scenario: Aggregation and translation between CAN FD (steering ECU), LIN (motor sensors), and SENT (torque feedback) networks. IC Role / Device Role / Timing Role: Protocol bridge and safety monitor with deterministic latency for torque path integrity checks. Use Value: Dual CAN-FD controllers handle high-speed steering commands; FlexIO emulates SENT for legacy sensor compatibility; ASIL-B peripherals support functional safety requirements. |
| Battery Management System (BMS) Monitor | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Monitoring cell voltages, temperatures, and pack isolation in 48 V mild-hybrid battery packs. IC Role / Device Role / Timing Role: Analog front-end controller interfacing with precision ADCs and isolated SPI daisy chains. Use Value: Two 12-bit ADCs with 32-channel mux support simultaneous cell voltage sampling; ECC flash ensures reliable logging of fault events over 15-year lifetime. |
Use Scenario: Consolidating radar, camera, and ultrasonic sensor data preprocessing before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Real-time preprocessor offloading FFT, filtering, and timestamp synchronization from main SoC. Use Value: Cortex-M4F+FPU executes sensor fusion algorithms; QuadSPI interfaces with external LPDDR for frame buffering; LPIT enables µs-accurate trigger alignment across sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K144HAT0MLHT | Same die, tray packaging (T) vs. tape-and-reel (R); identical electrical specs and pinout. | No functional difference; choice depends solely on assembly line feeding method. | Select MLHT for manual or small-batch prototyping; MLHR for automated SMT production. |
| S32K146HAT0MLHR | Higher memory: 2 MB flash + 512 KB SRAM vs. 2 MB + 256 KB; adds third FlexCAN and second Ethernet MAC. | Targeted at more complex gateways requiring dual Ethernet or redundant CAN paths. | Choose only if additional SRAM, Ethernet, or CAN bandwidth is required - otherwise FS32K144HAT0MLHR offers optimal cost/performance balance. |
Compared with S32K144HAT0MLHT and S32K146HAT0MLHR, FS32K144HAT0MLHR delivers the most widely adopted configuration for mid-tier automotive ECUs - balancing ASIL-B readiness, CAN-FD capability, and memory resources without over-provisioning for non-essential features like dual Ethernet or extra SRAM.
Availability
FS32K144HAT0MLHR is available at Aetrix Electronics and suitable for body control modules, battery management monitors, electric power steering gateways, and ADAS sensor hubs requiring stable component supply across automotive production lifecycles.
Supply support for FS32K144HAT0MLHR 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 qualification standards.
The S32K1xx series was developed specifically for ASIL-B automotive microcontroller applications, emphasizing real-time determinism, hardware security (CSEc), and robustness across extended temperature and voltage ranges.
FAQ
What is the maximum operating frequency of the FS32K144HAT0MLHR and under what conditions?
The FS32K144HAT0MLHR achieves up to 112 MHz in HSRUN mode, but this frequency is restricted to non-security and non-EEPROM operations. When executing CSEc cryptographic functions or FlexNVM writes/erases, the device must drop to RUN mode (80 MHz). This constraint is enforced by hardware error flags and is documented in the S32K1xx Data Sheet Rev. 15. The FS32K144HAT0MLHR's clock tree includes SPLL, FIRC, and multiple oscillator sources to support seamless mode transitions.
Does the FS32K144HAT0MLHR support CAN-FD, and how many instances are available?
Yes, the FS32K144HAT0MLHR integrates three FlexCAN modules, each configurable for CAN-FD operation per ISO 11898-1. All three channels support bit rates up to 5 Mbps in FD mode and maintain full backward compatibility with classical CAN 2.0B. The FS32K144HAT0MLHR's pinout allocates dedicated CAN_TX/CAN_RX pairs for each module in the 144-pin LQFP package, enabling concurrent multi-network communication in gateway applications.
What safety certifications and hardware safety features does the FS32K144HAT0MLHR provide?
The FS32K144HAT0MLHR is AEC-Q100 Grade 1 qualified and supports ISO 26262 ASIL-B decomposition through integrated hardware safety mechanisms: System MPU (crossbar-level memory protection), ECC on flash and SRAM, CRC module, dual watchdogs (WDOG and EWM), lockstep-capable timers, and diagnostic libraries in the S32K SDK. These features are validated in NXP's Functional Safety Manual for S32K1xx. The FS32K144HAT0MLHR does not include lockstep CPU cores but achieves ASIL-B via architectural redundancy and diagnostic coverage.
How much on-chip memory does the FS32K144HAT0MLHR include, and what types are supported?
The FS32K144HAT0MLHR includes 2 MB of program flash memory with ECC, 64 KB of FlexNVM for data flash and EEPROM emulation, 256 KB of SRAM with ECC, 4 KB of FlexRAM usable as SRAM or EEPROM, and 4 KB of instruction cache. Memory mapping is managed via the AXBS-Lite crossbar switch with eDMA support. All memory blocks are protected against corruption, and the FS32K144HAT0MLHR's memory controller supports background flash programming during runtime execution.
Is the FS32K144HAT0MLHR pin-compatible with other S32K1xx devices, and which packages share the same footprint?
Yes, all S32K1xx devices sharing the 144-pin LQFP package - including FS32K144HAT0MLHR, FS32K146HAT0MLHR, and FS32K148HAT0MLHR - are pin-to-pin compatible per the S32K1xx Data Sheet. This allows scalable design reuse across performance tiers. However, peripheral enablement (e.g., Ethernet, third FlexCAN) depends on silicon variant, not package; unused pins remain functional as GPIO or alternate functions. The FS32K144HAT0MLHR's 144-pin LQFP footprint matches JEDEC MS-026AC standard.
FS32K144HAT0MLHR 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:
FS32K144HAT0MLHR FAQ
1.How can I place an order for FS32K144HAT0MLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K144HAT0MLHR 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 FS32K144HAT0MLHR reliable?
The price and inventory of FS32K144HAT0MLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K144HAT0MLHR is usually 5 days.
3.What payment methods are accepted for FS32K144HAT0MLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K144HAT0MLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K144HAT0MLHR?
FS32K144HAT0MLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K144HAT0MLHR 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 FS32K144HAT0MLHR?
For technical support, including FS32K144HAT0MLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K144HAT0MLHR requirements.
6.How does Aetrix verify that FS32K144HAT0MLHR is sourced from the original manufacturer or authorized distributors?
All FS32K144HAT0MLHR 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 FS32K144HAT0MLHR meets industry standards.
7.What is the process for return or replacement of FS32K144HAT0MLHR?
All FS32K144HAT0MLHR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K144HAT0MLHR, 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 FS32K144HAT0MLHR part is unused and in its original packaging.
Return procedure for FS32K144HAT0MLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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