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NXP Semiconductors FS32K146HAT0MLHR
- Part No.:
- FS32K146HAT0MLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
FS32K146HAT0MLHR.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,692
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Product details
Overview
FS32K146HAT0MLHR 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. It integrates FlexCAN with optional CAN-FD, dual 12-bit ADCs (up to 32 channels), and Cryptographic Services Engine (CSEc) for secure boot and key management in vehicle body control modules.
For engineers reviewing the FS32K146HAT0MLHR datasheet, FS32K146HAT0MLHR pinout, FS32K146HAT0MLHR application, or FS32K146HAT0MLHR equivalent, this page delivers verified technical context, package-specific pin mapping, functional alternatives, and supply-chain support tailored to automotive embedded design - including ISO 26262 ASIL-B capable peripherals, memory protection, and low-power timing subsystems.
Technical Context
The FS32K146HAT0MLHR implements a dual-core architecture with Arm Cortex-M4F as primary execution core and optional M0+ for auxiliary tasks; it uses AXBS-Lite crossbar switch for deterministic peripheral arbitration and supports concurrent DMA transfers via 16-channel eDMA with DMAMUX routing. Its clock system includes SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz), enabling dynamic power-mode transitions between HSRUN, RUN, STOP, VLPR, and VLPS.
Memory subsystem comprises ECC-protected 2 MB flash, 64 KB FlexNVM for EEPROM emulation, 256 KB SRAM, and 4 KB FlexRAM configurable as SRAM or EEPROM backup; security is enforced by CSEc (SHE-compliant), System MPU (crossbar-level access control), CRC module, WDOG, and EWM - all validated for ASIL-B compliance per ISO 26262.
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 in motor control and sensor fusion. |
| Max Clock Frequency | 112 MHz in HSRUN mode; delivers 140 DMIPS for high-speed real-time control loops without external acceleration. |
| Flash Memory | 2 MB with ECC; supports over-the-air (OTA) updates with error detection/correction and secure firmware rollback. |
| SRAM | 256 KB with ECC; provides fault-tolerant data storage for safety-critical variables and stack operations. |
| Operating Temperature | -40 °C to +125 °C (M-grade); qualified for under-hood automotive applications including engine control and transmission systems. |
| FlexCAN Channels | 3 × FlexCAN modules, with optional CAN-FD support per channel; enables high-bandwidth diagnostics and domain controller communication. |
| Analog Inputs | Up to 32-channel 12-bit ADC (1 Msps); supports simultaneous sampling across multiple sensors in battery management or climate control. |
| Security Engine | Cryptographic Services Engine (CSEc); implements AES-128/256, SHA-256, RNG, and secure key storage per SHE specification. |
Pinout & Package
FS32K146HAT0MLHR is packaged in a 100-pin LQFP (14 × 14 mm, 0.5 mm pitch), pin-compatible with other S32K14x devices in the same package variant. This package supports full peripheral availability including all 3 FlexCAN interfaces, dual ADCs, Ethernet MAC, and 156 GPIOs (with multiplexing).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital power supplies | Must be decoupled locally; VDDA and VDD shorted on PCB to ensure ADC accuracy and noise immunity. |
| RESET_B | Active-low reset input | Accepts external reset assertion; internal POR and LVD also trigger reset - critical for fail-safe ECU recovery. |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 differential interface | Requires external CAN transceiver; supports CAN-FD up to 5 Mbps with bit-rate switching. |
| ADC0_SE0–ADC0_SE31 | Analog input channels | 32 dedicated pins for single-ended ADC inputs; shared with GPIO functionality - configured via SIM_SCGC register. |
| FTM0_CH0–FTM0_CH7 | FlexTimer PWM/OC/IC outputs | 8-channel 16-bit timer group for motor gate drive, LED dimming, or encoder capture with dead-time insertion. |
| JTAG_TMS / JTAG_TCK / SWD_DIO / SWD_CLK | Debug interface signals | Supports Serial Wire Debug (SWD) and JTAG; enables non-intrusive trace, breakpoint, and flash programming during development. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Capable Peripherals | FlexTimer, LPIT, RTC, WDOG, EWM, and System MPU are architecturally certified for ASIL-B; enables integration into ISO 26262-compliant safety mechanisms. |
| Flexible Power Management | Five low-power modes (HSRUN/RUN/STOP/VLPR/VLPS) with sub-μA stop-current; allows wake-up from LPTMR, GPIO, or CAN bus activity in battery-sensitive modules. |
| Secure Boot & Key Provisioning | CSEc enforces authenticated boot using HMAC-SHA256; supports key injection via JTAG during manufacturing and runtime key derivation for TLS handshake. |
| QuadSPI with HyperBus™ | Enables direct XIP (execute-in-place) from external NOR flash; reduces boot time and eliminates need for large internal RAM buffers. |
| Fault-Tolerant Memory | ECC on flash and SRAM detects and corrects single-bit errors; prevents silent data corruption in long-life automotive deployments. |
| Configurable I/O Multiplexing | TRGMUX and IO_MUX allow dynamic remapping of peripheral functions to alternate pins; simplifies PCB layout reuse across variants. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicle architectures. IC Role / Device Role / Timing Role: Primary MCU executing ASIL-B safety monitor, LIN gateway, and PWM-driven actuator drivers with precise timing via FTM and LPIT. Use Value: 156 GPIOs enable direct connection to >30 discrete loads; CSEc secures OTA updates against unauthorized firmware injection. |
Use Scenario: Real-time torque assist calculation, motor phase control, and fault response in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-critical controller running motor FOC algorithms at 10 kHz loop rate using M4F FPU and dual ADC sampling synchronized via TRGMUX. Use Value: 112 MHz HSRUN mode ensures <1 μs interrupt latency; ECC memory prevents undetected corruption in torque command path. |
| Battery Management System (BMS) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Cell voltage monitoring, thermal management, and SOC/SOH estimation in 12V/48V hybrid architectures. IC Role / Device Role / Timing Role: Data acquisition hub interfacing with multi-cell analog front-ends via 32-channel ADC and isolated SPI; performs cryptographic authentication of cell ICs. Use Value: FlexNVM emulates EEPROM for wear-leveling critical calibration data; CSEc validates firmware signatures before BMS state machine activation. |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data prior to AI inference on host SoC. IC Role / Device Role / Timing Role: Time-synchronized sensor fusion node using LPIT and RTC for timestamp alignment; communicates via CAN-FD and Ethernet to central ADAS domain controller. Use Value: QuadSPI XIP reduces latency for real-time filter coefficient loading; 256 KB ECC SRAM buffers burst sensor streams without DRAM. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FS32K148HAT0MLHR | 2 MB flash, 256 KB SRAM, 3× FlexCAN w/CAN-FD, 10/100 Mbps Ethernet MAC, 2× SAI - adds Ethernet and audio interface not present in FS32K146HAT0MLHR. | Required for ADAS domain controllers needing IEEE 1588 time synchronization and audio feedback; over-spec for BCM/EPS where Ethernet is unused. | Select FS32K148HAT0MLHR only if Ethernet MAC or dual SAI is required; otherwise FS32K146HAT0MLHR offers optimal cost/performance balance. |
| FS32K144HAT0MLHR | 1 MB flash, 192 KB SRAM, 2× FlexCAN, no Ethernet - reduced memory and peripheral count versus FS32K146HAT0MLHR. | Suitable for entry-level body control or gateway modules with fewer CAN nodes and no OTA update requirements. | Choose FS32K144HAT0MLHR when flash footprint <1 MB suffices and dual CAN is adequate; FS32K146HAT0MLHR preferred for future-proofing and secure OTA capability. |
Compared with FS32K144HAT0MLHR and FS32K148HAT0MLHR, the FS32K146HAT0MLHR delivers balanced scalability: sufficient flash/SRAM for signed firmware updates and dual CAN-FD for domain communication, without the cost premium of Ethernet or excess memory that remains unused in mid-tier ECUs.
Availability
FS32K146HAT0MLHR is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering systems, battery management units, and ADAS sensor hubs requiring stable component supply across extended product lifecycles.
Supply support for FS32K146HAT0MLHR 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 Arm-based MCUs and functional safety certification.
The S32K1xx family - including FS32K146HAT0MLHR - was engineered specifically for ASIL-B automotive control units, emphasizing robust real-time performance, integrated security, and seamless toolchain support via S32 Design Studio and AUTOSAR-compliant software stacks.
FAQ
What is the maximum operating frequency of the FS32K146HAT0MLHR and under which conditions?
The FS32K146HAT0MLHR achieves a maximum operating frequency of 112 MHz in HSRUN mode, supported across its full -40 °C to +125 °C ambient temperature range. This frequency requires stable 2.7–5.5 V supply and engagement of the System PLL (SPLL). Operation above 80 MHz disables CSEc execution and EEPROM writes - those functions must be performed in RUN mode (80 MHz) to avoid error flag generation.
Does the FS32K146HAT0MLHR support CAN-FD, and how many instances are available?
Yes, the FS32K146HAT0MLHR integrates three independent FlexCAN modules, each supporting CAN-FD protocol with bit-rate switching up to 5 Mbps. All three channels are accessible in the 100-pin LQFP package, with dedicated TX/RX pins and configurable message buffers - enabling simultaneous communication with powertrain, chassis, and infotainment domains.
What memory protection mechanisms are implemented in the FS32K146HAT0MLHR?
The FS32K146HAT0MLHR implements NXP's System MPU at the AXBS-Lite crossbar level, enforcing access rights per master (CPU, DMA, Ethernet) to protected memory regions. Combined with ECC on 2 MB flash and 256 KB SRAM, plus CRC module and watchdog timers (WDOG/EWM), it delivers hardware-enforced memory integrity aligned with ISO 26262 ASIL-B requirements.
Is the FS32K146HAT0MLHR pin-compatible with other S32K14x devices in the same package?
Yes - all S32K14x devices (including FS32K142HAT0MLHR, FS32K144HAT0MLHR, FS32K146HAT0MLHR, and FS32K148HAT0MLHR) are fully pin-to-pin compatible when packaged in identical 100-pin LQFP variants. Peripheral availability scales with device variant, but pin assignment, power domains, and debug interfaces remain consistent across the family.
What debug and trace capabilities does the FS32K146HAT0MLHR provide?
The FS32K146HAT0MLHR supports Serial Wire Debug (SWD) and JTAG via dedicated pins, with integrated Debug Watchpoint and Trace (DWT), Instrumentation Trace Macrocell (ITM), Test Port Interface Unit (TPIU), and Flash Patch and Breakpoint (FPB) unit. These enable real-time instruction tracing, cycle-accurate profiling, and non-intrusive firmware validation using NXP S32DS, IAR, or GHS toolchains.
FS32K146HAT0MLHR 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K146HAT0MLHR FAQ
1.How can I place an order for FS32K146HAT0MLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K146HAT0MLHR 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 FS32K146HAT0MLHR reliable?
The price and inventory of FS32K146HAT0MLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K146HAT0MLHR is usually 5 days.
3.What payment methods are accepted for FS32K146HAT0MLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K146HAT0MLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K146HAT0MLHR?
FS32K146HAT0MLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K146HAT0MLHR 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 FS32K146HAT0MLHR?
For technical support, including FS32K146HAT0MLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K146HAT0MLHR requirements.
6.How does Aetrix verify that FS32K146HAT0MLHR is sourced from the original manufacturer or authorized distributors?
All FS32K146HAT0MLHR 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 FS32K146HAT0MLHR meets industry standards.
7.What is the process for return or replacement of FS32K146HAT0MLHR?
All FS32K146HAT0MLHR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K146HAT0MLHR, 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 FS32K146HAT0MLHR part is unused and in its original packaging.
Return procedure for FS32K146HAT0MLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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