FS32K146HAT0MLHR

Microcontrollers Overview

The FS32K146HAT0MLHR is an automotive-grade microcontroller from the NXP S32K1xx family, built on a 32-bit Arm Cortex-M4F core. It features 512 KB of program flash memory with ECC and 64 KB of system RAM. The device supports clock frequencies up to 80 MHz in RUN mode and includes integrated peripherals such as FlexCAN with CAN-FD support, LPI2C, LPSPI, and dual 12-bit ADCs. It operates within a supply voltage range of 2.7 V to 5.5 V and is housed in a 64-pin LQFP package.

Microcontrollers Feature Summary

• Integrates a 32-bit Arm Cortex-M4F processor with a single-precision floating-point unit (FPU) and digital signal processing (DSP) capabilities for high-performance control applications.
• Includes a Cryptographic Services Engine (CSEc) supporting AES-128, secure boot, and key storage to ensure data integrity and protection against unauthorized access.
• Provides comprehensive connectivity options including FlexCAN modules with optional CAN-FD support, Ethernet MAC, and multiple low-power serial communication interfaces.
• Features robust safety mechanisms compliant with ISO 26262 standards, including error-correcting code (ECC) on memory and hardware/software watchdogs.

Microcontrollers Applications

• Automotive body electronics and gateway controllers
• Instrument clusters and infotainment systems
• Advanced driver assistance systems (ADAS)
• Electric vehicle powertrain control units

Microcontrollers Procurement Notes

Verify the specific ordering suffix 'R' indicates tape and reel packaging configuration when sourcing components. Confirm that the 'M' temperature grade aligns with the required operational ambient temperature range for the target application environment. Ensure compatibility with existing design tools and software development kits provided by NXP for the S32K1xx series.

Microcontrollers Selection Notes

Select this component for designs requiring a balance of computational performance and functional safety in automotive environments. The 64-pin LQFP package offers a compact footprint suitable for space-constrained PCB layouts. Consider the 80 MHz operating speed sufficient for real-time control loops while maintaining lower power consumption compared to higher-frequency variants.

Microcontrollers Part Context

This part belongs to the S32K14x sub-family within the broader S32K1xx automotive MCU portfolio. It shares architectural similarities with other members like the S32K144 and S32K148 but differs in memory capacity and peripheral availability. The S32K1xx series is designed to meet the rigorous demands of modern vehicle networks with scalable resources and long-term supply commitments.

Microcontrollers Replacement Considerations

Direct pin-to-pin replacements within the same package include other S32K14x variants such as the S32K144 or S32K148, subject to memory and peripheral requirements. Verify feature compatibility regarding CAN-FD and security engine presence before substitution.

Microcontrollers FAQ

What is the maximum operating frequency for the FS32K146HAT0MLHR?

The device supports a maximum clock frequency of 80 MHz in RUN mode.

Does this microcontroller support CAN-FD communication?

Yes, the FS32K146HAT0MLHR includes FlexCAN modules with optional CAN-FD support as indicated by the 'A' ordering option.