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NXP Semiconductors FS32K146HFT0VLHR
- Part No.:
- FS32K146HFT0VLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
FS32K146HFT0VLHR.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,930
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Product details
Overview
FS32K146HFT0VLHR from NXP Semiconductors is an automotive-grade Arm Cortex-M4F microcontroller designed for real-time safety-critical control in vehicle body, powertrain, and chassis systems. 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. Its integrated CSEc security engine, FlexCAN with CAN-FD, and dual 12-bit ADCs enable robust ECU implementations.
For engineers reviewing the FS32K146HFT0VLHR datasheet, FS32K146HFT0VLHR pinout, FS32K146HFT0VLHR application, or FS32K146HFT0VLHR equivalent, key selection considerations include HSRUN/RUN mode switching constraints for EEPROM/CSEc operations, 100-pin LQFP package compatibility, ASIL-B capable peripheral configuration, and S32K1xx family-specific clock gating and low-power mode sequencing.
Technical Context
The FS32K146HFT0VLHR implements a dual-core execution environment via Arm Cortex-M4F with FPU and optional M0+ co-processor support, enabling deterministic real-time control and signal processing. Its AXBS-Lite crossbar switch enables concurrent access to flash, SRAM, and peripherals by CPU, DMA, and Ethernet controllers under system MPU supervision.
Power management is governed by the PMC with five defined modes-HSRUN, RUN, STOP, VLPR, VLPS-where HSRUN (112 MHz) and RUN (80 MHz) are functionally distinct: CSEc cryptographic operations and FlexNVM EEPROM emulation are explicitly prohibited in HSRUN mode and require runtime transition to RUN mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F with single-precision FPU and DSP extensions; delivers 1.25 DMIPS/MHz for deterministic motor control loops. |
| Max Clock Frequency | 112 MHz in HSRUN mode; 80 MHz in RUN mode-mode switching required for CSEc/EEPROM writes per spec. |
| Flash Memory | 2 MB program flash with ECC; enables ASIL-B compliant code storage and field firmware updates with error detection. |
| SRAM | 256 KB on-chip SRAM with ECC; supports safety-critical data buffers and real-time stack allocation. |
| ADC | Dual 12-bit SAR ADCs, up to 32 channels total, 1 Msps sample rate; suitable for multi-sensor analog acquisition in battery management. |
| FlexCAN | Three modules with optional CAN-FD support; enables high-bandwidth vehicle network communication with protocol flexibility. |
| Operating Temperature | -40 °C to +105 °C ambient (V-grade); qualified for under-hood automotive applications requiring extended thermal stability. |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch); pin-compatible with other S32K14x devices in same package option. |
Pinout & Package
FS32K146HFT0VLHR is housed in a 100-pin LQFP package (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow the S32K14x family IO Signal Description multiplexing scheme, supporting configurable peripheral routing via TRGMUX and I/O port control registers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply rails | Must be shorted on PCB with separate decoupling; VREFH ≤ VDDA + 0.1 V ensures ADC accuracy. |
| RESET_B | Active-low reset input | Asynchronous, level-sensitive reset; requires external pull-up and debouncing for ECU reliability. |
| SWD_CLK / SWD_DIO | Serial Wire Debug interface | Two-pin debug port supporting full JTAG/SWD functionality, trace, and secure firmware loading. |
| CAN0_TX / CAN0_RX | FlexCAN differential bus interface | Direct connection to isolated CAN transceiver; supports ISO 11898-1 physical layer up to 5 Mbps (CAN-FD). |
| ADC0_SE0–ADC0_SE31 | Analog input channels | Up to 32 dedicated or multiplexed pins per ADC module; configurable gain and sampling sequence for sensor fusion. |
| FTM0_CH0–FTM0_CH7 | FlexTimer PWM/IC/OC outputs | Eight-channel 16-bit timer group for motor gate drive, LED dimming, or encoder capture with dead-time insertion. |
Key Features
| Feature | Design Value |
|---|---|
| System MPU with Crossbar Enforcement | NXP's system-level MPU assigns memory access rights per master (CPU/DMA/Ethernet), preventing unauthorized peripheral or memory access-critical for ISO 26262 ASIL-B compliance. |
| Cryptographic Services Engine (CSEc) | Hardware-accelerated SHE-compliant crypto (AES-128, SHA-256, ECDSA); requires RUN mode (80 MHz) execution-no HSRUN mode usage permitted. |
| FlexNVM with EEPROM Emulation | 64 KB FlexNVM with ECC enables wear-leveling and atomic write/erase for calibration data storage without external EEPROM. |
| Low-Power Peripheral Operation | LPUART, LPSPI, LPI2C retain full functionality in VLPR/VLPS modes; enables wake-on-message for always-on vehicle networks. |
| QuadSPI with HyperBus™ Support | External memory interface supporting x4 DDR HyperBus™ NOR flash; extends code space beyond internal 2 MB flash for complex AUTOSAR stacks. |
| Safety Mechanisms | Integrated WDOG, EWM, CRC, ECC on flash/SRAM, and lockstep-capable peripherals provide layered fault detection per ISO 26262 requirements. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC actuators in modern vehicle architectures. IC Role / Device Role / Timing Role: Main MCU executing ASW and BSW layers; manages LIN slave communication, PWM-driven motor drivers, and ADC-based current sensing. Use Value: Dual 12-bit ADCs acquire 16+ analog sensor inputs simultaneously; 100-pin LQFP provides sufficient GPIO for discrete I/O expansion without FPGA assist. |
Use Scenario: Real-time torque assist calculation and motor phase control in column-assist and rack-assist EPS systems. IC Role / Device Role / Timing Role: Safety-certified controller running motor FOC algorithms at 10 kHz loop rate; interfaces with resolver feedback and CAN FD vehicle bus. Use Value: Arm Cortex-M4F core with FPU executes floating-point motor models deterministically; FlexTimers generate precise 3-phase PWM with hardware dead-time insertion. |
| Brake-by-Wire Actuator | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Redundant actuation control for electro-hydraulic brake modules requiring functional safety up to ASIL-D decomposition. IC Role / Device Role / Timing Role: Primary safety controller managing valve solenoids, pressure sensors, and fail-safe redundancy paths via dual CAN FD channels. Use Value: CSEc enables secure boot and firmware authentication; ECC-protected 2 MB flash stores dual-application images for lockstep comparison. |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Edge-processing node performing time-synchronized timestamping, sensor fusion pre-filtering, and CAN/LIN gateway functions. Use Value: LPIT and RTC provide sub-millisecond timestamping across heterogeneous sensors; FlexIO emulates proprietary sensor protocols without additional ASICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FS32K144HFT0VLHT | 1 MB flash, 192 KB SRAM, identical 100-pin LQFP package and peripheral set; lacks 512 KB flash extension. | Suitable for cost-optimized BCMs with smaller AUTOSAR stack footprint; no impact on CAN-FD or ADC channel count. | Select when application code size remains below 1 MB and FlexNVM EEPROM emulation requirements fit within 32 KB. |
| FS32K148HFT0VLHT | 2 MB flash, 384 KB SRAM, adds 10/100 Mbps Ethernet MAC and dual SAI audio interfaces; same 100-pin LQFP footprint. | Required for gateways integrating Ethernet backbone with CAN FD domains or audio-aware ADAS nodes. | Choose when IEEE 1588 time synchronization or AC97/TDM audio streaming is mandatory; otherwise over-spec'd for pure control tasks. |
Compared with FS32K146HFT0VLHR, the FS32K144HFT0VLHT reduces memory capacity while maintaining identical safety architecture and pinout-ideal for tier-2 suppliers optimizing BOM cost. The FS32K148HFT0VLHT adds Ethernet and audio interfaces but increases complexity and qualification scope; only justified where those features are actively utilized in the system design.
Availability
FS32K146HFT0VLHR is available at Aetrix Electronics and suitable for automotive body electronics, electric power steering, and brake-by-wire systems requiring stable component supply, long-term lifecycle assurance, and ASIL-B ready silicon.
Supply support for FS32K146HFT0VLHR 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 MCU design.
The S32K1xx family-including FS32K146HFT0VLHR-is engineered specifically for ASIL-B automotive control units, emphasizing safety mechanisms, low-power operation, and seamless integration with AUTOSAR and ISO 26262 development workflows.
FAQ
What is the maximum operating frequency of the FS32K146HFT0VLHR, and under what conditions is it valid?
The FS32K146HFT0VLHR achieves 112 MHz in HSRUN mode, validated across -40 °C to +105 °C ambient temperature. However, this frequency is incompatible with CSEc security operations or FlexNVM EEPROM emulation-those functions require runtime transition to RUN mode at 80 MHz per the official S32K1xx datasheet Rev. 15.
Does the FS32K146HFT0VLHR support CAN-FD, and how many instances are available?
Yes, the FS32K146HFT0VLHR integrates three FlexCAN modules, each configurable for CAN-FD operation per ISO 11898-1. All three support bit rates up to 5 Mbps in FD mode and are accessible in the 100-pin LQFP package with dedicated TX/RX pins routed to separate CAN transceivers.
What memory protection mechanisms does the FS32K146HFT0VLHR implement for functional safety compliance?
The FS32K146HFT0VLHR employs NXP's system-level MPU enforced at the AXBS-Lite crossbar switch, granting per-master (CPU/DMA/Ethernet) access rights to memory regions. Combined with ECC on 2 MB flash and 256 KB SRAM, this satisfies ASIL-B requirements for memory corruption detection and isolation per ISO 26262 Part 5.
Can the FS32K146HFT0VLHR operate from a 3.3 V supply, and what are the voltage limits?
No-the FS32K146HFT0VLHR requires a minimum 2.7 V supply per its VDD specification, but it is not a 3.3 V-only part. Its absolute maximum VDD is 5.8 V (60-second lifetime), and operating range is strictly 2.7 V to 5.5 V. Unlike S32K14xW variants, it does not impose a 3.13 V floor.
How many ADC channels does the FS32K146HFT0VLHR support, and what is their resolution and speed?
The FS32K146HFT0VLHR includes two independent 12-bit SAR ADC modules, each supporting up to 32 analog input channels via multiplexing. Each ADC achieves 1 Msps conversion rate with configurable sample time, window compare, and hardware trigger synchronization-enabling simultaneous acquisition across 64 sensor inputs in time-critical applications.
FS32K146HFT0VLHR 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:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 24x12b SAR; D/A1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K146HFT0VLHR FAQ
1.How can I place an order for FS32K146HFT0VLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K146HFT0VLHR 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 FS32K146HFT0VLHR reliable?
The price and inventory of FS32K146HFT0VLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K146HFT0VLHR is usually 5 days.
3.What payment methods are accepted for FS32K146HFT0VLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K146HFT0VLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K146HFT0VLHR?
FS32K146HFT0VLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K146HFT0VLHR 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 FS32K146HFT0VLHR?
For technical support, including FS32K146HFT0VLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K146HFT0VLHR requirements.
6.How does Aetrix verify that FS32K146HFT0VLHR is sourced from the original manufacturer or authorized distributors?
All FS32K146HFT0VLHR 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 FS32K146HFT0VLHR meets industry standards.
7.What is the process for return or replacement of FS32K146HFT0VLHR?
All FS32K146HFT0VLHR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K146HFT0VLHR, 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 FS32K146HFT0VLHR part is unused and in its original packaging.
Return procedure for FS32K146HFT0VLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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