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NXP Semiconductors FX32K144HAT0MLHT
- Part No.:
- FX32K144HAT0MLHT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
FX32K144HAT0MLHT.pdf
- Description:
- S32K144 ARM CORTEX-M4F, 80 MHZ,
- Quantity:
- Payment:
- Shipping:
Inventory:4,083
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Product details
Overview
FX32K144HAT0MLHT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with 2 MB flash, 256 KB SRAM (both with ECC), and support for HSRUN mode at 112 MHz. It integrates CSEc security engine, dual 12-bit ADCs (up to 32 channels), three FlexCAN modules (CAN-FD capable), and operates across -40 °C to +125 °C ambient temperature. It is used in automotive body control modules requiring functional safety up to ASIL-B.
For engineers reviewing the FX32K144HAT0MLHT datasheet, FX32K144HAT0MLHT pinout, FX32K144HAT0MLHT application, or FX32K144HAT0MLHT equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use-value analysis, and validated alternative options - all grounded in NXP's S32K1xx Rev. 15 datasheet and orderable part documentation.
Technical Context
The FX32K144HAT0MLHT implements a dual-core architecture with Arm Cortex-M4F as primary execution core and optional M0+ for low-power co-processing. Its clock system includes FIRC (48 MHz), SOSC (4–40 MHz), SPLL (up to 112 MHz), and LPO (128 kHz), enabling dynamic mode switching between HSRUN (112 MHz), RUN (80 MHz), STOP, VLPR, and VLPS.
Memory subsystem features ECC-protected 2 MB program flash, 64 KB FlexNVM (with EEPROM emulation), 256 KB SRAM, and 4 KB FlexRAM usable as SRAM or EEPROM. Safety mechanisms include System MPU (crossbar-level memory protection), CRC module, WDOG/EWM, and CSEc cryptographic engine compliant with SHE specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F with single-precision FPU and DSP extensions; enables real-time signal processing and floating-point math in motor control and sensor fusion. |
| Max Clock Frequency | 112 MHz in HSRUN mode; supports high-throughput CAN-FD communication and fast ADC sampling without pipeline stalls. |
| Flash / RAM | 2 MB program flash + 256 KB SRAM, both with ECC; ensures data integrity in automotive ECU applications subject to radiation-induced bit flips. |
| ADC | Dual 12-bit SAR ADCs, up to 32 input channels total, 1 Msps per module; supports simultaneous sampling for multi-sensor diagnostics in battery management systems. |
| FlexCAN Interfaces | Three FlexCAN modules, each supporting CAN-FD (ISO 11898-1); enables high-bandwidth vehicle network backbone with payload expansion and error detection improvements. |
| Operating Temperature | -40 °C to +125 °C ambient (M-grade); qualified for under-hood automotive environments where thermal stress exceeds consumer-grade limits. |
| Security Engine | Cryptographic Services Engine (CSEc) implementing SHE-compliant AES, SHA, RNG, and key management; required for secure boot and firmware authentication in ISO 21434-compliant ECUs. |
Pinout & Package
FX32K144HAT0MLHT is packaged in a 144-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. This package supports full I/O availability (up to 156 GPIOs), all three FlexCAN interfaces, dual ADCs, and Ethernet PHY interface signals when enabled.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply rails | Separate but tightly coupled power domains; requires PCB-level shorting and dedicated decoupling per AN5032 to maintain ADC accuracy and noise immunity. |
| PTA0–PTA31, PTB0–PTB31, etc. | GPIO multiplexed I/O | 156 total pins configurable as digital I/O, ADC inputs, CAN TX/RX, LPUART, LPSPI, or FlexIO functions; interrupt-capable on all pins. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Direct connection to external CAN transceiver; supports bit rates up to 5 Mbps in CAN-FD mode with programmable timing registers. |
| FTM0_CH0–FTM0_CH7 | FlexTimer module outputs | Eight independent PWM/OC/IC channels per FTM; enables precise motor phase control or LED dimming with dead-time insertion and fault protection. |
| JTAG_TMS / SWD_DIO | Debug interface signals | Shared Serial Wire Debug (SWD) and JTAG pins; allows in-circuit debugging, trace via ITM/DWT, and secure firmware update using NXP S32DS toolchain. |
Key Features
| Feature | Design Value |
|---|---|
| HSRUN + RUN dual-frequency operation | Switches between 112 MHz (performance-critical tasks) and 80 MHz (CSEc/EEPROM writes); avoids runtime errors while maintaining deterministic latency for safety-critical code. |
| System MPU with crossbar enforcement | Prevents DMA or peripheral masters from accessing protected memory regions - critical for ASIL-B partitioning where core and DMA must be isolated by hardware. |
| QuadSPI with HyperBus™ support | Enables direct XIP (execute-in-place) from external NOR flash; reduces boot time and eliminates need for internal RAM copy of firmware images. |
| FlexIO configurable protocol engine | Emulates UART, SPI, I2C, LIN, I2S, or custom protocols on 8 pins; replaces discrete level-shifters or protocol bridges in cost-sensitive gateway designs. |
| LPI2C + LPUART + LPSPI low-power peripherals | Retain full functionality in VLPR/VLPS modes with wake-up on address match or RX FIFO threshold; extends battery life in always-on telematics modules. |
Applications
| Automotive Body Control Module (BCM) | Electric Power Steering (EPS) ECU |
|---|---|
|
Use Scenario: Centralized control of door locks, lighting, wipers, and seat position memory in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU executing AUTOSAR BSW and application software; manages CAN-FD communication with gateway and LIN sub-nodes. Use Value: 156 GPIOs enable direct drive of relays and LEDs; CSEc secures OTA updates; ECC memory prevents corruption during voltage transients on 12 V bus. |
Use Scenario: Real-time torque assist calculation and motor current control in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-critical controller running ASIL-B software; uses FTM timers for PWM generation and ADC for motor phase current sensing. Use Value: Dual 12-bit ADCs sample up to 32 channels simultaneously for multi-axis current/voltage monitoring; 112 MHz HSRUN mode meets <5 µs loop timing requirements. |
| Advanced Battery Management System (BMS) | Vehicle Gateway Module |
|
Use Scenario: Monitoring cell voltages, temperatures, and state-of-charge in 48 V mild-hybrid and EV traction batteries. IC Role / Device Role / Timing Role: High-accuracy analog acquisition hub interfacing with external ADCs and isolators; performs balancing logic and thermal management. Use Value: 12-bit ADCs with 1 Msps throughput capture fast transients during charge/discharge cycles; FlexRAM emulates EEPROM for wear-leveling critical calibration data. |
Use Scenario: Protocol translation and firewall between CAN-FD, LIN, Ethernet, and wireless interfaces in connected vehicles. IC Role / Device Role / Timing Role: Network bridge MCU handling message routing, filtering, and secure tunneling between domains (powertrain, infotainment, ADAS). Use Value: Three FlexCAN modules support redundant CAN backbones; 10/100 Mbps Ethernet MAC with IEEE 1588 enables time-synchronized diagnostics and OTA orchestration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K144HAT0MLHT | 144-pin LQFP, 2 MB flash, 112 MHz HSRUN, M-grade (-40°C to +125°C) | Targeted for under-hood modules requiring extended temperature range and full peripheral set | Preferred for new designs needing maximum I/O count and CAN-FD bandwidth in compact LQFP form factor |
| S32K146HAT0MLHT | Same package and temperature grade, but 1 MB flash, 512 KB SRAM, and no Ethernet MAC | Lower-cost option for non-gateway applications where Ethernet is unnecessary | Select when flash/SRAM headroom is sufficient and Ethernet PHY integration is not required |
Compared with S32K144HAT0MLHT, the S32K146HAT0MLHT reduces memory capacity and removes Ethernet capability while retaining identical pinout, clock architecture, and safety features - making it a cost-optimized drop-in alternative for non-network-intensive automotive nodes.
Availability
FX32K144HAT0MLHT is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering ECUs, battery management systems, and vehicle gateway modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for FX32K144HAT0MLHT 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 reliability.
The S32K1xx family - including FX32K144HAT0MLHT - was designed specifically for automotive electronic control units requiring ASIL-B compliance, robust security, and mixed-signal integration in harsh environments.
FAQ
What is the maximum operating frequency of FX32K144HAT0MLHT and under what conditions?
The FX32K144HAT0MLHT achieves 112 MHz in HSRUN mode, but only when operating within its specified ambient temperature range of -40 °C to +125 °C and with VDD between 2.7 V and 5.5 V. At 112 MHz, CSEc security operations and EEPROM writes are prohibited; the device must switch to RUN mode (80 MHz) to execute those functions safely.
Does FX32K144HAT0MLHT support CAN-FD, and how many interfaces are available?
Yes, FX32K144HAT0MLHT integrates three FlexCAN modules, each supporting CAN-FD (ISO 11898-1) with data rates up to 5 Mbps. All three interfaces are fully accessible in the 144-pin LQFP package and can operate concurrently, enabling multi-bus automotive network architectures.
What memory protection mechanisms does FX32K144HAT0MLHT provide for ASIL-B compliance?
FX32K144HAT0MLHT implements a System MPU enforced at the Crossbar Switch level, providing hardware-enforced memory isolation for CPU, DMA, and peripheral masters. Combined with ECC on flash and SRAM, CRC module, WDOG/EWM, and CSEc, it satisfies ASIL-B requirements per ISO 26262 for memory safety and fault containment.
Can FX32K144HAT0MLHT execute code directly from external flash via QuadSPI?
Yes, FX32K144HAT0MLHT supports XIP (execute-in-place) from external NOR flash using its QuadSPI interface with HyperBus™ compatibility. This eliminates boot-time copying to internal RAM and reduces startup latency - especially valuable in automotive gateway and telematics applications.
What is the role of FlexRAM in FX32K144HAT0MLHT, and how is it configured?
FX32K144HAT0MLHT includes 4 KB of FlexRAM that can be dynamically allocated as either general-purpose SRAM or EEPROM emulation storage. Configuration is controlled via FTFC registers at runtime, enabling wear-leveling and non-volatile parameter storage without requiring external EEPROM chips.
FX32K144HAT0MLHT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- S32K
- Packaging:
- Tray
- 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:
- 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/A 1x8b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FX32K144HAT0MLHT FAQ
1.How can I place an order for FX32K144HAT0MLHT through Aetrix?
Please submit a Request for Quotation (RFQ) for FX32K144HAT0MLHT 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 FX32K144HAT0MLHT reliable?
The price and inventory of FX32K144HAT0MLHT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FX32K144HAT0MLHT is usually 5 days.
3.What payment methods are accepted for FX32K144HAT0MLHT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FX32K144HAT0MLHT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FX32K144HAT0MLHT?
FX32K144HAT0MLHT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FX32K144HAT0MLHT 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 FX32K144HAT0MLHT?
For technical support, including FX32K144HAT0MLHT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FX32K144HAT0MLHT requirements.
6.How does Aetrix verify that FX32K144HAT0MLHT is sourced from the original manufacturer or authorized distributors?
All FX32K144HAT0MLHT 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 FX32K144HAT0MLHT meets industry standards.
7.What is the process for return or replacement of FX32K144HAT0MLHT?
All FX32K144HAT0MLHT units undergo pre-shipment inspection (PSI). If there is an issue with FX32K144HAT0MLHT, 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 FX32K144HAT0MLHT part is unused and in its original packaging.
Return procedure for FX32K144HAT0MLHT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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