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NXP Semiconductors FS32K144UFT0VLLT
- Part No.:
- FS32K144UFT0VLLT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
FS32K144UFT0VLLT.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
FS32K144UFT0VLLT 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 105 °C ambient operation in a 144-pin LQFP package. It integrates FlexCAN with optional CAN-FD, CSEc security engine, and dual 12-bit ADCs - deployed in body control modules and battery management systems.
For engineers reviewing the FS32K144UFT0VLLT datasheet, FS32K144UFT0VLLT pinout, FS32K144UFT0VLLT application, or FS32K144UFT0VLLT equivalent, key selection considerations include HSRUN/RUN mode switching constraints for CSEc/EEPROM operations, 144-pin LQFP mechanical compatibility, ASIL-B capable safety architecture, and FlexIO protocol emulation capability for legacy interface bridging.
Technical Context
The FS32K144UFT0VLLT implements a dual-core execution environment via Arm Cortex-M4F with integrated FPU and DSP extensions, paired with configurable NVIC and DWT/ITM debug infrastructure. Its clock system combines SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz) with dynamic mode switching between HSRUN, RUN, STOP, VLPR, and VLPS.
Memory subsystem includes ECC-protected 2 MB flash, 256 KB SRAM, 64 KB FlexNVM for EEPROM emulation, and 4 KB FlexRAM - all managed by NXP's system MPU enforcing crossbar-level memory protection across core, DMA, and Ethernet masters. Safety features include CRC, WDOG, EWM, and CSEc 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 deterministic floating-point math and signal processing in motor control loops. |
| Max Clock Frequency | 112 MHz in HSRUN mode; 80 MHz in RUN mode - HSRUN disabled during CSEc/EEPROM writes, requiring runtime mode transition. |
| Flash Memory | 2 MB with ECC - supports robust code storage and error detection/correction for ASIL-B compliance in automotive applications. |
| SRAM | 256 KB with ECC - provides fault-tolerant data workspace for real-time task stacks and buffers. |
| ADC | Two 12-bit SAR ADCs, up to 32 channels each, 1 Msps - enables simultaneous sampling of multiple sensor inputs (e.g., temperature, voltage, current). |
| FlexCAN | Three modules, CAN-FD capable - supports high-bandwidth vehicle network communication with backward compatibility to classical CAN. |
| Security Engine | Cryptographic Services Engine (CSEc) per SHE spec - delivers AES-128, SHA-256, RNG, and secure boot without external co-processor. |
| Package | 144-pin LQFP (16 × 16 mm, 0.5 mm pitch) - standard footprint for automotive PCB layouts with thermal pad option. |
Pinout & Package
FS32K144UFT0VLLT is housed in a 144-pin LQFP package with exposed thermal pad (LL suffix). Pin assignments follow NXP's standardized S32K14x pin multiplexing scheme, supporting up to 156 GPIOs with interrupt capability, dedicated JTAG/SWD debug pins, and configurable peripheral function mapping via I/O signal description sheets.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power supply and analog reference | Must be decoupled individually; VDD/VDDA differential ≤ ±0.1 V ensures ADC accuracy and IO stability. |
| RESET_B | Active-low reset input | Asynchronous reset assertion halts CPU and peripherals; requires external pull-up and debouncing per AN5426. |
| TMS, TCK, TDO, TDI, SWDIO, SWCLK | JTAG/SWD debug interface | Shared with GPIO; SWD preferred for production debug; trace support via ITM/TPIU requires SWO pin. |
| CAN0_TX, CAN0_RX | FlexCAN channel 0 differential pair | Requires external CAN transceiver and 120 Ω termination; supports bit rates up to 5 Mbps in CAN-FD mode. |
| ADC0_SE0–ADC0_SE31 | Analog input channels | Configurable as single-ended or differential; internal 8-bit DAC available for comparator reference generation. |
| FLEXIO0_DATA0–FLEXIO0_DATA7 | FlexIO data pins | Programmable to emulate UART, SPI, I2C, LIN, PWM, or custom protocols - eliminates need for discrete level shifters or bridge ICs. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Capable Safety Architecture | System MPU enforces memory access rights per master (core/DMA/Ethernet); CRC, WDOG, and EWM provide layered fault detection. |
| Dual-Voltage Domain Operation | Supports 2.7–5.5 V supply range with separate VDDA rail - allows direct interfacing with 3.3 V and 5 V sensors without level translation. |
| Runtime Power Mode Switching | Five low-power modes (HSRUN/RUN/STOP/VLPR/VLPS) with sub-microsecond wake-up from VLPS - extends battery life in always-on vehicle modules. |
| QuadSPI with HyperBus™ Support | Enables direct XIP execution from external NOR flash or PSRAM - reduces BOM cost vs. large internal flash variants. |
| Flexible Clock Gating | Per-peripheral clock enable/disable via PMC - cuts dynamic power by >70% in idle peripheral subsystems (e.g., unused LPI2C or LPUART). |
| Secure Boot & Key Management | CSEc performs authenticated boot, key wrapping, and secure firmware updates - meets UNECE R155/R156 requirements for vehicle software integrity. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and window lifts in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time CAN message routing, PWM-driven actuator control, and diagnostic monitoring. Use Value: 156 GPIOs and three FlexCAN interfaces allow consolidation of multiple legacy controllers into one FS32K144UFT0VLLT-based module, reducing harness complexity and ECU count. |
Use Scenario: Closed-loop torque assist control with torque sensor feedback, motor phase current sensing, and CAN communication to ADAS domain controller. IC Role / Device Role / Timing Role: Real-time motor control MCU running FOC algorithm at 10 kHz with deterministic ADC sampling and PWM update timing. Use Value: Dual 12-bit ADCs with hardware trigger synchronization and 112 MHz HSRUN mode ensure <1 µs loop latency - critical for steering responsiveness and functional safety compliance. |
| Battery Management System (BMS) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Monitoring cell voltages, temperatures, and pack currents in 12S–96S lithium-ion battery packs for EVs and HEVs. IC Role / Device Role / Timing Role: Data acquisition and state estimation MCU interfacing with analog front-end ICs via SPI and managing isolated CAN communication to vehicle gateway. Use Value: ECC-protected 2 MB flash stores complex SOC/SOH algorithms and calibration data; CSEc secures over-the-air firmware updates against tampering. |
Use Scenario: Aggregating and preprocessing raw data from radar, camera, and ultrasonic sensors before forwarding to central ADAS processor. IC Role / Device Role / Timing Role: Preprocessing node performing time-synchronized timestamping, packetization, and protocol translation (e.g., LVDS-to-CAN-FD). Use Value: FlexIO emulates proprietary sensor interfaces while LPI2C/LPSPI manage local sensor configuration - eliminates need for dedicated bridge ASICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K144UFT0VLHT | Same die, 100-pin LQFP package - 44 fewer GPIOs, no Ethernet or SAI support. | Suitable for space-constrained modules where full 144-pin I/O count and FlexIO bandwidth are unnecessary. | Select when board layout density is prioritized over peripheral flexibility and long-term scalability. |
| S32K146UFT0VLLT | Same 144-pin LQFP, but with 1 MB flash, 512 KB SRAM, and added 10/100 Mbps Ethernet + dual SAI. | Required for gateways or domain controllers needing Ethernet backbone connectivity and audio processing. | Choose only if Ethernet MAC or SAI functionality is mandatory; otherwise FS32K144UFT0VLLT offers better cost/performance balance. |
Compared with FS32K144UFT0VLLT, the S32K144UFT0VLHT reduces I/O count and peripheral set in a smaller footprint, while the S32K146UFT0VLLT adds Ethernet and SAI at higher memory cost - neither is pin-compatible, and both require PCB redesign; FS32K144UFT0VLLT remains optimal for mid-tier automotive control nodes balancing performance, safety, and integration density.
Availability
FS32K144UFT0VLLT is available at Aetrix Electronics and suitable for body control modules, electric power steering systems, and battery management systems requiring stable component supply across automotive production lifecycles.
Supply support for FS32K144UFT0VLLT 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 applications, with deep expertise in functional safety and automotive-grade reliability.
The S32K1xx family - including FS32K144UFT0VLLT - was engineered specifically for ASIL-B automotive control units, emphasizing real-time determinism, hardware-enforced security, and seamless integration with AUTOSAR and ISO 26262 development workflows.
FAQ
What is the maximum operating frequency of the FS32K144UFT0VLLT, and under what conditions?
The FS32K144UFT0VLLT 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 write/erase commands, the device must switch to RUN mode (80 MHz) to avoid triggering error flags - a hardware-enforced constraint documented in the S32K1xx datasheet Rev. 15.
Does the FS32K144UFT0VLLT support CAN-FD, and how many instances are available?
Yes, the FS32K144UFT0VLLT integrates three independent FlexCAN modules, each capable of CAN-FD operation per ISO 11898-1:2015. All three support bit rates up to 5 Mbps in FD mode and maintain full backward compatibility with classical CAN 2.0B networks - confirmed in the S32K1xx Feature Comparison table (Figure 3).
What memory protection mechanisms does the FS32K144UFT0VLLT implement for functional safety?
The FS32K144UFT0VLLT uses NXP's system MPU - a crossbar-level memory protection unit that assigns distinct read/write/execute permissions to each memory region for every master (CPU, DMA, Ethernet). Unlike Arm's core MPU, this system-level enforcement prevents unauthorized access from any bus master, satisfying ASIL-B requirements per ISO 26262 Part 6.
Can the FS32K144UFT0VLLT operate from a 3.3 V supply, and what are the voltage limits?
Yes, the FS32K144UFT0VLLT supports 2.7 V to 5.5 V operation, fully compatible with 3.3 V systems. Per Table 3 of the datasheet, VDD must remain ≥2.7 V for guaranteed functionality across all modes; VDDA and VREFH must track VDD within ±0.1 V to maintain ADC linearity and I/O drive strength.
What debug interfaces are supported on the FS32K144UFT0VLLT, and which is recommended for production programming?
The FS32K144UFT0VLLT supports both JTAG and Serial Wire Debug (SWD) via shared pins. SWD is strongly recommended for production due to its 2-pin interface (SWDIO + SWCLK), lower pin count, and full support for flash programming, breakpoint setting, and real-time trace via ITM/TPIU - all validated in NXP S32 Design Studio and IAR Embedded Workbench toolchains.
FS32K144UFT0VLLT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- S32K
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 112MHz
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K144UFT0VLLT FAQ
1.How can I place an order for FS32K144UFT0VLLT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K144UFT0VLLT 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 FS32K144UFT0VLLT reliable?
The price and inventory of FS32K144UFT0VLLT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K144UFT0VLLT is usually 5 days.
3.What payment methods are accepted for FS32K144UFT0VLLT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K144UFT0VLLT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K144UFT0VLLT?
FS32K144UFT0VLLT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K144UFT0VLLT 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 FS32K144UFT0VLLT?
For technical support, including FS32K144UFT0VLLT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K144UFT0VLLT requirements.
6.How does Aetrix verify that FS32K144UFT0VLLT is sourced from the original manufacturer or authorized distributors?
All FS32K144UFT0VLLT 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 FS32K144UFT0VLLT meets industry standards.
7.What is the process for return or replacement of FS32K144UFT0VLLT?
All FS32K144UFT0VLLT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K144UFT0VLLT, 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 FS32K144UFT0VLLT part is unused and in its original packaging.
Return procedure for FS32K144UFT0VLLT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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