My Inquiry
My Account
NXP Semiconductors FS32K146HFT0MLLR
- Part No.:
- FS32K146HFT0MLLR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
FS32K146HFT0MLLR.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,667
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
FS32K146HFT0MLLR 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 FlexCAN with optional CAN-FD, three LPUART/LIN modules, dual 12-bit ADCs (up to 32 channels), CSEc security engine, and operates across -40 °C to +125 °C ambient temperature. It is used in body control modules requiring functional safety up to ASIL-B.
For engineers reviewing the FS32K146HFT0MLLR datasheet, FS32K146HFT0MLLR pinout, FS32K146HFT0MLLR application, or FS32K146HFT0MLLR equivalent, key selection considerations include its M-grade temperature rating, 100-pin LQFP package, HSRUN/RUN power mode switching requirement for CSEc/EEPROM operations, and FlexIO-based protocol emulation capability.
Technical Context
The FS32K146HFT0MLLR implements a dual-core architecture with Arm Cortex-M4F as primary execution core (112 MHz HSRUN / 80 MHz RUN) and optional M0+ for low-power background tasks. Its memory subsystem includes ECC-protected 2 MB program flash, 64 KB FlexNVM for EEPROM emulation, and 256 KB SRAM with 4 KB FlexRAM configurable as SRAM or EEPROM backup.
Peripherals are managed via AXBS-Lite crossbar switch with eDMA support (16 channels, 63 request sources), TRGMUX for flexible peripheral triggering, and system-level safety features including System MPU (crossbar-level memory protection), CRC module, WDOG/EWM watchdogs, and IEEE 1588-capable Ethernet MAC (in supported packages). CSEc cryptographic operations require explicit mode transition from HSRUN to RUN.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Voltage Range | 2.7 V to 5.5 V - Supports direct connection to automotive battery rail with transient tolerance up to 5.8 V for ≤60 s. |
| Operating Temperature | -40 °C to +125 °C - Qualified for under-hood automotive applications per M-grade specification. |
| CPU Core | Arm Cortex-M4F with FPU - Enables real-time motor control and sensor fusion algorithms with single-precision floating-point math. |
| Max Clock Frequency | 112 MHz (HSRUN mode) - Delivers 140 DMIPS performance; requires downclocking to 80 MHz for CSEc or EEPROM write/erase. |
| Flash Memory | 2 MB with ECC - Provides robust code storage with error detection/correction for ASIL-B compliance. |
| SRAM | 256 KB with ECC - Supports large real-time data buffers while maintaining functional safety integrity. |
| FlexCAN Channels | 3 × FlexCAN with optional CAN-FD - Enables multi-bus vehicle networking with backward compatibility and higher bandwidth. |
| ADC | 2 × 12-bit SAR ADC, up to 32 channels total - Allows simultaneous sampling of multiple analog sensors (e.g., temperature, pressure, position). |
Pinout & Package
FS32K146HFT0MLLR is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's S32K14x family layout, supporting full peripheral mapping including 100 I/O pins with interrupt capability, dedicated debug (SWD/JTAG), and power/ground distribution optimized for automotive EMI resilience.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply inputs | Must be decoupled locally; VDD/VDDA differential ≤ ±0.1 V ensures ADC accuracy and IO stability. |
| RESET_B | Active-low reset input | Asynchronous reset signal; internal pull-up enables reliable power-on initialization without external circuitry. |
| SWD_CLK, SWD_IO | Serial Wire Debug interface | Enables non-intrusive debugging and programming via standard ARM SWD protocol; no JTAG pins required. |
| 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. |
| ADC0_SE0–ADC0_SE31 | Analog input channels | Up to 32 single-ended inputs mapped across port pins; shared with GPIO functionality for flexible board design. |
| FTM0_CH0–FTM0_CH7 | FlexTimer PWM/OC/IC outputs | Configurable high-resolution timing outputs for motor gate drive, LED dimming, or encoder capture with dead-time insertion. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B capable architecture | System MPU enforces memory access rights per master (CPU/DMA/Ethernet), enabling ISO 26262-compliant partitioning. |
| Flexible power management | Five power modes (HSRUN/RUN/STOP/VLPR/VLPS) with clock gating and wake-up sources including LPIT, LPTMR, and GPIO interrupts. |
| Secure boot & cryptography | CSEc engine implements SHE-compliant AES-128, SHA-256, RNG, and secure key storage - requires RUN mode (80 MHz) execution. |
| Protocol flexibility | FlexIO module emulates UART, SPI, I2C, I2S, LIN, and PWM on programmable pins - eliminates need for external protocol bridge ICs. |
| Robust analog subsystem | Dual 12-bit ADCs with hardware trigger synchronization, 1 Msps sample rate, and integrated comparator with 8-bit DAC for closed-loop sensing. |
| High-integrity memory | ECC on 2 MB flash and 256 KB SRAM detects and corrects single-bit errors, preventing silent data corruption in safety-critical code/data. |
Applications
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU executing ASIL-B software stack with real-time response to LIN/CAN commands and analog sensor inputs. Use Value: 100-pin LQFP provides sufficient I/O for multi-peripheral integration; CSEc enables secure firmware updates over CAN. |
Use Scenario: Real-time torque assist calculation and motor phase control in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-critical controller running motor control algorithms with dual ADC sampling and FTM-based PWM generation. Use Value: 112 MHz HSRUN mode delivers deterministic loop timing; ECC memory prevents undetected corruption in torque command path. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Automotive Gateway Module |
Use Scenario: Aggregation and preprocessing of radar, camera, and ultrasonic sensor data before forwarding to central ADAS ECU. IC Role / Device Role / Timing Role: High-bandwidth data concentrator using QuadSPI HyperBus™ for external memory expansion and LPI2C for sensor communication. Use Value: FlexIO supports custom sensor interfaces; LPIT and LPTMR enable precise time-stamping of asynchronous sensor events. |
Use Scenario: Protocol translation between CAN FD, LIN, and Ethernet domains in zonal architecture vehicles. IC Role / Device Role / Timing Role: Network gateway MCU managing message routing, filtering, and firewall policies across heterogeneous buses. Use Value: Three FlexCAN modules (one with FD), 10/100 Mbps Ethernet MAC, and CSEc for secure inter-domain communication. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K148HFT0MLLR | 2 MB flash, 256 KB SRAM, same package; adds 10/100 Mbps Ethernet MAC and dual SAI audio interfaces. | Required when Ethernet backbone connectivity or audio processing (e.g., voice assistant) is needed in addition to core BCM functions. | Select S32K148HFT0MLLR only if Ethernet or SAI peripherals are mandatory; otherwise FS32K146HFT0MLLR offers optimal cost/performance balance. |
| S32K144HFT0MLLR | 1 MB flash, 128 KB SRAM, identical peripheral set except reduced FlexTimer count (6 vs 8 modules) and no QuadSPI. | Suitable for less complex body electronics where smaller code footprint and fewer PWM channels suffice. | Choose S32K144HFT0MLLR for cost-sensitive designs with <1 MB firmware size and no external HyperBus™ memory requirement. |
Compared with S32K148HFT0MLLR, FS32K146HFT0MLLR omits Ethernet and SAI but retains full CAN-FD, FlexIO, and safety features - making it ideal for non-gateway body domain controllers. Against S32K144HFT0MLLR, it doubles flash/SRAM capacity and adds QuadSPI, enabling more sophisticated diagnostics and OTA update staging.
Availability
FS32K146HFT0MLLR is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering systems, and ADAS sensor hubs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for FS32K146HFT0MLLR 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 qualification standards.
The S32K1xx series was designed specifically for automotive body and chassis applications demanding ASIL-B compliance, robust EMC performance, and long-term reliability in harsh environments - FS32K146HFT0MLLR represents the mid-tier performance variant optimized for feature-rich yet cost-conscious ECUs.
FAQ
What is the maximum operating frequency of the FS32K146HFT0MLLR and under what conditions?
The FS32K146HFT0MLLR achieves 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, the device must transition to RUN mode at 80 MHz - a hardware-enforced requirement documented in the S32K1xx Data Sheet Rev. 15. This mode switching is managed by the Power Management Controller (PMC) and affects real-time scheduling in safety-critical applications.
Does the FS32K146HFT0MLLR support CAN-FD, and how many channels are available?
Yes, the FS32K146HFT0MLLR integrates three FlexCAN modules, each configurable for classical CAN or CAN-FD operation per ISO 11898-1. All three channels support CAN-FD data rates up to 5 Mbps and frame payloads up to 64 bytes. The implementation includes built-in bit-rate switching, CRC calculation, and message buffering - enabling use in high-bandwidth automotive networks such as domain controllers or advanced driver assistance systems.
What memory protection mechanisms does the FS32K146HFT0MLLR provide for functional safety compliance?
The FS32K146HFT0MLLR implements a System MPU at the AXBS-Lite crossbar switch level, allowing independent access rights assignment for CPU, DMA, and Ethernet masters to protected memory regions. Unlike Arm Core MPU, this system-level MPU prevents unauthorized access from any bus master - a key enabler for ASIL-B partitioning. Combined with ECC on flash and SRAM, CRC module, and dual watchdogs (WDOG/EWM), it satisfies memory integrity requirements in ISO 26262.
How does the FS32K146HFT0MLLR handle analog-to-digital conversion for sensor interfacing?
The FS32K146HFT0MLLR includes two independent 12-bit SAR ADC modules, each supporting up to 16 analog input channels (32 total), with hardware-triggered sampling synchronized across modules. Each ADC achieves 1 Msps throughput and integrates calibration registers for offset/gain correction. An additional analog comparator with integrated 8-bit DAC enables windowed voltage monitoring - critical for battery monitoring and thermal protection circuits in automotive applications.
What debug and trace capabilities are integrated into the FS32K146HFT0MLLR?
The FS32K146HFT0MLLR features Serial Wire JTAG Debug Port (SWJ-DP) with full ARM CoreSight support, including Debug Watchpoint and Trace (DWT), Instrumentation Trace Macrocell (ITM), Test Port Interface Unit (TPIU), and Flash Patch and Breakpoint (FPB) unit. It supports real-time instruction tracing, data watchpoints, and SWO output for printf-style debugging - all accessible via standard tools like NXP S32DS, IAR EWARM, or Arm Keil MDK without requiring external trace probes.
FS32K146HFT0MLLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-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:
- 89
- 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:
FS32K146HFT0MLLR FAQ
1.How can I place an order for FS32K146HFT0MLLR through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K146HFT0MLLR 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 FS32K146HFT0MLLR reliable?
The price and inventory of FS32K146HFT0MLLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K146HFT0MLLR is usually 5 days.
3.What payment methods are accepted for FS32K146HFT0MLLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K146HFT0MLLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K146HFT0MLLR?
FS32K146HFT0MLLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K146HFT0MLLR 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 FS32K146HFT0MLLR?
For technical support, including FS32K146HFT0MLLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K146HFT0MLLR requirements.
6.How does Aetrix verify that FS32K146HFT0MLLR is sourced from the original manufacturer or authorized distributors?
All FS32K146HFT0MLLR 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 FS32K146HFT0MLLR meets industry standards.
7.What is the process for return or replacement of FS32K146HFT0MLLR?
All FS32K146HFT0MLLR units undergo pre-shipment inspection (PSI). If there is an issue with FS32K146HFT0MLLR, 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 FS32K146HFT0MLLR part is unused and in its original packaging.
Return procedure for FS32K146HFT0MLLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
FS32K146HFT0MLLR Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
