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NXP Semiconductors FS32K144UIT0VLHR
- Part No.:
- FS32K144UIT0VLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
FS32K144UIT0VLHR.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,880
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Product details
Overview
FS32K144UIT0VLHR 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 operation, and integrated CSEc security engine. It features dual 12-bit ADCs (32-channel total), three FlexCAN modules (CAN-FD capable), and operates across -40 °C to +105 °C for body control module and powertrain sensor interface applications.
For engineers reviewing the FS32K144UIT0VLHR datasheet, FS32K144UIT0VLHR pinout, FS32K144UIT0VLHR application, or FS32K144UIT0VLHR equivalent, key selection considerations include its ASIL-B-capable safety architecture, HSRUN/RUN mode switching requirement for CSEc/EEPROM operations, 144-pin LQFP package, and support for IEEE 1588 Ethernet timing in automotive gateway designs.
Technical Context
The FS32K144UIT0VLHR implements a dual-core execution environment via Arm Cortex-M4F core with DSP extensions and single-precision FPU, paired with configurable NVIC and DWT/ITM debug infrastructure. Its clock system integrates SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz), enabling precise low-power timing control across HSRUN, RUN, STOP, VLPR, and VLPS modes.
Memory subsystem includes ECC-protected 2 MB program flash, 64 KB FlexNVM for EEPROM emulation, 256 KB SRAM, and 4 KB FlexRAM - all managed by NXP's system MPU at the AXBS-Lite crossbar level. Peripheral integration spans eDMA (16-channel), TRGMUX, PDB, LPIT, RTC, and FlexIO for protocol emulation, with safety mechanisms including WDOG, EWM, CRC, and system-level memory protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with DSP, FPU, and Thumb-2 ISA - enables real-time signal processing and floating-point math in motor control and ADAS sensor fusion. |
| Max Clock Frequency | 112 MHz in HSRUN mode - delivers 140 DMIPS performance for high-speed CAN-FD messaging and time-critical PWM generation. |
| Flash / SRAM | 2 MB program flash + 256 KB SRAM, both with ECC - ensures functional safety compliance (ISO 26262 ASIL-B) and data integrity in automotive ECU firmware. |
| ADC | Dual 12-bit SAR ADCs, up to 32 channels total, 1 Msps - supports simultaneous sampling of multiple analog sensors (e.g., temperature, pressure, current) in battery management systems. |
| Communication | 3× FlexCAN (CAN-FD), 3× LPUART/LIN, 3× LPSPI, 2× LPI2C, FlexIO - provides flexible vehicle network connectivity with LIN slave/master, CAN FD diagnostics, and protocol offload capability. |
| Security | Cryptographic Services Engine (CSEc) with SHE-compliant functions - enables secure boot, key provisioning, and encrypted firmware updates without external security ICs. |
| Temperature Range | -40 °C to +105 °C ambient - qualified for under-hood and cabin-mounted automotive applications per AEC-Q100 Grade 2. |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - supports standard reflow assembly and mechanical robustness in vibration-prone environments. |
Pinout & Package
FS32K144UIT0VLHR is housed in a 144-pin LQFP package (20 × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow the S32K14x family pinout specification; I/O pins are multiplexed across up to 156 GPIOs with interrupt capability, and dedicated power/ground pins ensure stable supply sequencing per AN5426 guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply inputs | Must be shorted on PCB with local decoupling; VDDA/VREFH stability directly impacts 12-bit ADC accuracy and comparator DAC linearity. |
| RESET_B | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC filter per hardware design guide to meet MCU supply ramp rate limits (≤100 V/ms). |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Two-pin debug port supporting JTAG/SWD protocols; enables non-intrusive trace, breakpoint, and memory inspection during development and field diagnostics. |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Requires external CAN transceiver; supports ISO 11898-1 physical layer and CAN FD data rates up to 5 Mbps in payload phase. |
| ADC0_SE0–ADC0_SE31 | Analog input channels (Bank 0) | 32 single-ended inputs shared with GPIO; configured via ADCx_SC1A register; supports hardware-triggered conversions via PDB or LPIT. |
| FTM0_CH0–FTM0_CH7 | FlexTimer module 0 PWM/OC/IC outputs | Eight 16-bit channels supporting complementary PWM with dead-time insertion - suitable for 3-phase inverter gate drive in electric power steering. |
Key Features
| Feature | Design Value |
|---|---|
| HSRUN/RUN mode switching | Required to execute CSEc cryptographic operations or FlexNVM EEPROM writes - prevents error flags by downclocking from 112 MHz to 80 MHz before security or non-volatile memory access. |
| NXP System MPU | Hardware-enforced memory protection at crossbar switch level - assigns distinct read/write/execute permissions per master (CPU, DMA, Ethernet) to each memory region, exceeding Arm Core MPU scope. |
| FlexIO protocol emulation | Configurable 8-pin module supporting UART, SPI, I2C, I2S, LIN, and PWM waveforms - eliminates need for discrete protocol translators in lighting or sensor interface subassemblies. |
| QuadSPI with HyperBus™ | Supports external XCCM/XIP execution from serial NOR flash - enables deterministic code fetch latency for real-time control loops without SRAM footprint penalty. |
| Low-power timer hierarchy | LPTMR, LPIT (4-channel), and RTC provide nested wake-up sources - allows deep-sleep states (VLPS) with sub-millisecond response to CAN bus activity or analog threshold events. |
| IEEE 1588 Ethernet MAC | Integrated 10/100 Mbps MAC with hardware timestamping - enables time-synchronized communication across distributed ECUs in vehicle domain controllers and OTA update gateways. |
Applications
| Body Control Module | Electric Power Steering |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU executing ASW-compliant software stack, managing LIN slave nodes, and coordinating CAN message routing between domains. Use Value: 156 GPIOs enable direct drive of relays and LEDs; CSEc secures over-the-air configuration updates; 112 MHz HSRUN ensures real-time response to driver commands. |
Use Scenario: Closed-loop torque assist control using motor position, current, and torque sensor feedback. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithms, generating 3-phase PWM via FTM modules, and communicating with EPS ECU via CAN FD. Use Value: Dual 12-bit ADCs sample motor currents simultaneously; 16-bit FTM with dead-time insertion ensures safe inverter switching; ECC memory prevents corruption in safety-critical control paths. |
| Battery Management System | Automotive Gateway |
|
Use Scenario: Monitoring cell voltages, temperatures, and pack current in 12–48 V EV/HEV battery packs. IC Role / Device Role / Timing Role: Data acquisition and state estimation unit interfacing with analog front-end ICs via SPI, aggregating sensor data, and reporting via CAN. Use Value: 32-channel ADC supports multi-cell monitoring; FlexNVM emulates EEPROM for calibration data storage; -40 °C to +105 °C rating matches under-hood thermal envelope. |
Use Scenario: Protocol translation and firewall between high-speed Ethernet backbone and legacy CAN/LIN networks in zonal architectures. IC Role / Device Role / Timing Role: Network bridge MCU running AUTOSAR COM stack, performing CAN FD ↔ Ethernet frame conversion with IEEE 1588 timestamp alignment. Use Value: Integrated 10/100 Mbps Ethernet MAC with hardware timestamping enables sub-1 µs time synchronization; three FlexCAN modules handle multiple vehicle domains concurrently. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K144HUT0VLHR | 80 MHz max frequency (RUN mode only), no HSRUN mode - lacks 112 MHz performance headroom and associated power/performance trade-offs. | Lower-cost option for non-time-critical applications like HVAC control where 112 MHz is unnecessary. | Select when deterministic sub-10 µs interrupt latency is not required and BOM cost optimization is prioritized over peak compute throughput. |
| FS32K146UIT0VLHR | 2 MB flash + 512 KB SRAM (ECC), adds second 10/100 Mbps Ethernet MAC and third SAI audio interface - higher memory and peripheral count. | Targeted at advanced domain controllers requiring dual Ethernet redundancy or audio processing alongside CAN FD networking. | Choose when additional Ethernet bandwidth, larger SRAM for middleware stacks, or audio interface capability is needed beyond FS32K144UIT0VLHR's baseline feature set. |
Compared with FS32K144HUT0VLHR, FS32K144UIT0VLHR delivers 40% higher CPU throughput for time-sensitive control tasks but requires explicit mode switching for security operations; versus FS32K146UIT0VLHR, it offers identical core/peripheral functionality at lower SRAM and Ethernet capacity - making it optimal for cost-constrained, single-domain automotive ECUs.
Availability
FS32K144UIT0VLHR is available at Aetrix Electronics and suitable for automotive body electronics, electric power steering, battery management systems, and gateway modules requiring stable component supply across extended product lifecycles.
Supply support for FS32K144UIT0VLHR 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 silicon.
The S32K1xx series was designed specifically for automotive electronic control units requiring ASIL-B compliance, real-time determinism, and integrated security - targeting body, chassis, and powertrain applications with scalable memory and peripheral options.
FAQ
What is the maximum operating frequency of the FS32K144UIT0VLHR and under what conditions?
The FS32K144UIT0VLHR achieves up to 112 MHz in HSRUN mode, enabled when VDD is within 2.7–5.5 V and ambient temperature remains between -40 °C and +105 °C. This frequency is not available in VLPR or STOP modes, and CSEc or EEPROM operations require switching to 80 MHz RUN mode per datasheet restriction.
Does the FS32K144UIT0VLHR support CAN FD, and how many instances are available?
Yes, the FS32K144UIT0VLHR integrates three FlexCAN modules, all supporting CAN FD per ISO 11898-1 with bit rates up to 5 Mbps in the data phase. Each module includes dedicated message RAM and supports protocol-specific features like loopback self-test and error confinement.
How does the CSEc security engine function in the FS32K144UIT0VLHR, and what are its limitations?
The FS32K144UIT0VLHR includes a Cryptographic Services Engine (CSEc) implementing SHE-compliant functions for AES-128, SHA-256, RSA-2048, and secure boot. However, CSEc operations are prohibited in HSRUN mode; the device must transition to 80 MHz RUN mode before initiating any CSEc command or FlexNVM write/erase sequence.
What memory protection mechanisms are implemented in the FS32K144UIT0VLHR?
The FS32K144UIT0VLHR uses NXP's system MPU - a hardware block at the AXBS-Lite crossbar - to enforce memory access rights per master (CPU, DMA, Ethernet). Unlike Arm Core MPU, it protects all bus masters and covers flash, SRAM, and peripheral address spaces, meeting ASIL-B requirements for memory isolation.
Is the FS32K144UIT0VLHR pin-compatible with other S32K14x devices in the same package?
Yes, all S32K14x devices sharing the 144-pin LQFP package - including FS32K144UIT0VLHR, FS32K144HUT0VLHR, and FS32K146UIT0VLHR - are pin-to-pin compatible per the S32K1xx datasheet. Peripheral availability depends on signal multiplexing and is documented in the IO Signal Description sheet.
FS32K144UIT0VLHR 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:
- 112MHz
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K144UIT0VLHR FAQ
1.How can I place an order for FS32K144UIT0VLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K144UIT0VLHR 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 FS32K144UIT0VLHR reliable?
The price and inventory of FS32K144UIT0VLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K144UIT0VLHR is usually 5 days.
3.What payment methods are accepted for FS32K144UIT0VLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K144UIT0VLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K144UIT0VLHR?
FS32K144UIT0VLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K144UIT0VLHR 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 FS32K144UIT0VLHR?
For technical support, including FS32K144UIT0VLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K144UIT0VLHR requirements.
6.How does Aetrix verify that FS32K144UIT0VLHR is sourced from the original manufacturer or authorized distributors?
All FS32K144UIT0VLHR 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 FS32K144UIT0VLHR meets industry standards.
7.What is the process for return or replacement of FS32K144UIT0VLHR?
All FS32K144UIT0VLHR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K144UIT0VLHR, 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 FS32K144UIT0VLHR part is unused and in its original packaging.
Return procedure for FS32K144UIT0VLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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