NXP Semiconductors FS32K142HFT0VLFT

Overview

FS32K142HFT0VLFT 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 in HSRUN mode, features 256 KB flash with ECC, 256 KB SRAM with ECC, and supports -40 °C to +105 °C ambient operation in a 100-pin LQFP package. It integrates FlexCAN with optional CAN-FD, dual 12-bit ADCs (1 Msps), and CSEc cryptographic engine.

For engineers reviewing the FS32K142HFT0VLFT datasheet, FS32K142HFT0VLFT pinout, FS32K142HFT0VLFT application, or FS32K142HFT0VLFT equivalent, key selection criteria include ASIL-B capable power management (HSRUN/RUN/STOP/VLPR/VLPS), integrated FPU and DSP, QuadSPI with HyperBus™ support, and hardware security for secure boot and key management in automotive body control, gateway, and ADAS sensor interface designs.

Technical Context

The FS32K142HFT0VLFT implements a dual-core architecture with Arm Cortex-M4F as primary execution core and M0+ for low-power background tasks, sharing AXBS-Lite crossbar and system MPU for memory protection across DMA, Ethernet, and core initiators. Its clock system includes SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz), with configurable gating per peripheral domain.

Power management is governed by PMC with five defined modes: HSRUN (112 MHz, 2.7–5.5 V), RUN (80 MHz, same voltage), STOP, VLPR, and VLPS - where CSEc operations and EEPROM emulation are restricted to RUN mode only. Memory subsystem includes ECC-protected flash/SRAM, FlexNVM (64 KB data flash), FlexRAM (4 KB configurable as SRAM or EEPROM), and 4 KB code cache.

Key Specifications

Pinout & Package

FS32K142HFT0VLFT is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow the S32K14x family pin-to-pin compatibility across 100-pin variants, supporting drop-in replacement within the same package footprint.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FS32K142HFT0VLFT, FS32K144HFT0VLFT offers scalable memory for future-proofing, while FS32K142HFT0MLFT trades HSRUN performance for extended thermal capability - both maintain identical pinout and software compatibility within the S32K14x family.

Availability

FS32K142HFT0VLFT is available at Aetrix Electronics and suitable for automotive body control, gateway, electric power steering, and ADAS camera module applications requiring stable component supply, long lifecycle support, and AEC-Q100 qualification.

Supply support for FS32K142HFT0VLFT 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 silicon.

The S32K1xx series was developed specifically for ASIL-B automotive control applications, emphasizing real-time determinism, hardware-based security (CSEc), and robust power management across extreme temperature and voltage conditions.

FAQ

What is the maximum operating frequency of the FS32K142HFT0VLFT and under what conditions?

The FS32K142HFT0VLFT achieves a maximum operating frequency of 112 MHz in HSRUN mode, which requires VDD between 2.7 V and 5.5 V and ambient temperature ≤ +105 °C. Operation above 80 MHz disables CSEc execution and EEPROM write/erase functions - those must be performed in RUN mode (80 MHz) to avoid error flag assertion. This constraint is enforced in hardware and documented in the S32K1xx Data Sheet Rev. 15.

Does the FS32K142HFT0VLFT support CAN-FD, and how many CAN interfaces does it include?

Yes, the FS32K142HFT0VLFT includes two FlexCAN modules, each configurable for CAN-FD operation per ISO 11898-1, supporting bit rates up to 5 Mbps in the data phase. Both modules support loopback mode, programmable bit timing, and hardware timestamping - enabling robust network diagnostics and time-synchronized communication in automotive gateways and domain controllers.

What memory protection mechanisms are implemented in the FS32K142HFT0VLFT?

The FS32K142HFT0VLFT implements NXP's system-level Memory Protection Unit (MPU) at the AXBS-Lite crossbar switch, assigning independent read/write/execute permissions per master (Cortex-M4F core, eDMA, Ethernet MAC) to protected memory regions. Unlike Arm Core MPU, this system MPU covers all bus masters - essential for ASIL-B partitioning of safety-critical and non-safety software in AUTOSAR environments.

Can the FS32K142HFT0VLFT execute cryptographic operations while running at 112 MHz?

No - the FS32K142HFT0VLFT triggers error flags if Cryptographic Services Engine (CSEc) operations or EEPROM writes/erases are attempted in HSRUN mode (112 MHz). These functions must be executed in RUN mode (80 MHz), as explicitly stated in the S32K1xx Data Sheet Rev. 15 Section 1.1 and Figure 3 notes. This is a hardware-enforced restriction to ensure timing predictability and fault containment.

What package type and pin count does the FS32K142HFT0VLFT use, and is it pin-compatible with other S32K14x devices?

The FS32K142HFT0VLFT uses a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Per the S32K1xx Data Sheet Rev. 15 Section 3.1, all S32K14x devices in the 100-pin LQFP package are pin-to-pin compatible - enabling hardware reuse across variants like FS32K144HFT0VLFT and FS32K146HFT0VLFT without PCB redesign.