NXP Semiconductors FS32K142HFT0MLFT

Overview

FS32K142HFT0MLFT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with 512 KB flash, 64 KB SRAM, and support for HSRUN mode at 112 MHz. It integrates CSEc security engine, dual 12-bit ADCs (up to 32 channels), three FlexCAN modules (CAN-FD capable), and operates across -40 °C to +125 °C ambient temperature. Designed for body control modules and gateway ECUs requiring functional safety up to ASIL-B.

For engineers reviewing the FS32K142HFT0MLFT datasheet, FS32K142HFT0MLFT pinout, FS32K142HFT0MLFT application, or FS32K142HFT0MLFT equivalent, key selection criteria include its M-grade temperature rating, 100-pin LQFP package, FlexCAN FD support, CSEc cryptographic acceleration, and mandatory RUN-mode execution for EEPROM/CSEc operations - critical for automotive firmware update and secure boot designs.

Technical Context

The FS32K142HFT0MLFT implements a dual-core-capable architecture with Arm Cortex-M4F core (112 MHz HSRUN / 80 MHz RUN) and integrated FPU, DSP, and NVIC. Its memory subsystem includes 512 KB ECC-protected program flash, 64 KB ECC SRAM, 4 KB FlexRAM (SRAM/EEPROM emulation), and QuadSPI with HyperBus™ support.

Power management uses PMC with five modes (HSRUN/RUN/STOP/VLPR/VLPS); CSEc and EEPROM operations are restricted to RUN mode (80 MHz) due to hardware arbitration constraints. Safety features include System MPU (crossbar-level), CRC module, WDOG/EWM, and ECC on flash/SRAM - all aligned with ISO 26262 ASIL-B requirements.

Key Specifications

Pinout & Package

FS32K142HFT0MLFT is housed in a 100-pin LQFP package (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin compatibility is guaranteed across S32K14x family members sharing this package variant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller applications.

Compared with FS32K142HFT0MLFT, S32K144HFT0MLFT offers scalable memory for future-proofing, while S32K142HFT0VLFT trades thermal margin for cost efficiency - both retain identical peripheral sets, safety mechanisms, and software ecosystem alignment.

Availability

FS32K142HFT0MLFT is available at Aetrix Electronics and suitable for automotive body electronics, gateway ECUs, and chassis control systems requiring stable component supply, long lifecycle assurance, and ASIL-B compliance.

Supply support for FS32K142HFT0MLFT 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 MCUs.

The S32K1xx family - including FS32K142HFT0MLFT - was designed specifically for automotive electronic control units requiring ASIL-B compliance, secure over-the-air updates, and robust real-time performance in harsh environments.

FAQ

What is the maximum operating frequency of the FS32K142HFT0MLFT and under which conditions?

The FS32K142HFT0MLFT achieves 112 MHz in HSRUN mode and 80 MHz in RUN mode. HSRUN mode requires VDD ≥ 2.7 V and ambient temperature ≤ 105 °C; RUN mode supports full -40 °C to +125 °C operation. Notably, CSEc cryptographic operations and EEPROM writes must execute in RUN mode only - attempting them in HSRUN triggers error flags per the S32K1xx datasheet Rev. 15.

Does the FS32K142HFT0MLFT support CAN-FD, and how many interfaces are available?

Yes, the FS32K142HFT0MLFT integrates three FlexCAN modules, each supporting CAN-FD (ISO 11898-1) with data rates up to 5 Mbps. All three are accessible in the 100-pin LQFP package, with dedicated TX/RX pins per channel. CAN-FD frame handling is fully hardware-accelerated, including flexible data phase length and CRC calculation.

What memory resources does the FS32K142HFT0MLFT provide, and are they protected?

The FS32K142HFT0MLFT includes 512 KB of program flash, 64 KB of SRAM, 4 KB of FlexRAM (configurable as SRAM or EEPROM emulation), and 32 KB of code cache - all protected by Error-Correcting Code (ECC). Flash and SRAM ECC detects and corrects single-bit errors and detects double-bit errors, satisfying ASIL-B memory safety requirements per ISO 26262.

How does the FS32K142HFT0MLFT handle security-critical operations like secure boot?

The FS32K142HFT0MLFT uses its Cryptographic Services Engine (CSEc) to perform AES-128/256 encryption, SHA-256 hashing, and true random number generation - all required for secure boot and authenticated firmware updates. CSEc keys are stored in protected memory; however, CSEc operations must run in RUN mode (80 MHz), not HSRUN, to avoid hardware arbitration conflicts per the S32K1xx datasheet.

Is the FS32K142HFT0MLFT pin-compatible with other S32K1xx devices in the same package?

Yes, the FS32K142HFT0MLFT in 100-pin LQFP is pin-to-pin compatible with other S32K14x family members (e.g., S32K144HFT0MLFT, S32K146HFT0MLFT) sharing that package. Peripheral availability depends on pin multiplexing - all signals documented in the S32K1xx Reference Manual IO Signal Description sheet are supported, though unused functions remain unconnected.