NXP Semiconductors FS32K144HFT0VLHT

Overview

FS32K144HFT0VLHT 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 CSEc security engine, dual 12-bit ADCs (up to 32 channels), three FlexCAN modules (CAN-FD capable), and operates across -40 °C to +105 °C ambient temperature. It is used in automotive body control modules requiring functional safety up to ASIL-B.

For engineers reviewing the FS32K144HFT0VLHT datasheet, FS32K144HFT0VLHT pinout, FS32K144HFT0VLHT application, or FS32K144HFT0VLHT equivalent, key selection criteria include its 144-pin LQFP package, 112 MHz HSRUN performance, CSEc cryptographic acceleration, FlexCAN with FD support, and compliance with ISO 26262 up to ASIL-B.

Technical Context

The FS32K144HFT0VLHT implements a dual-core architecture with Arm Cortex-M4F as primary core and optional M0+ for low-power co-processing. 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 features ECC-protected 2 MB program flash, 64 KB FlexNVM for EEPROM emulation, 256 KB SRAM, and 4 KB FlexRAM configurable as SRAM or EEPROM. Peripheral interconnect uses AXBS-Lite crossbar switch with eDMA (16-channel) and DMAMUX supporting up to 63 request sources.

Key Specifications

Pinout & Package

FS32K144HFT0VLHT is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment follows NXP's standardized S32K14x pinout layout, supporting full peripheral multiplexing including GPIO, ADC, CAN, SPI, I2C, UART, FlexTimer, and debug interfaces.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FS32K144HFT0VLHT, the S32K144HFT0MLHT extends thermal range for harsher under-hood use, while the S32K146HFT0VLHT adds memory and Ethernet capacity for more complex domain controller roles-both retain identical peripheral sets and software compatibility.

Availability

FS32K144HFT0VLHT is available at Aetrix Electronics and suitable for automotive body control modules, electric power steering systems, ADAS sensor hubs, and gateway modules requiring stable component supply across extended product lifecycles.

Supply support for FS32K144HFT0VLHT 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.

The S32K1xx family is designed specifically for automotive electronic control units requiring ASIL-B compliance, featuring integrated safety mechanisms, automotive-grade reliability, and comprehensive toolchain support through S32 Design Studio.

FAQ

What is the maximum operating frequency of the FS32K144HFT0VLHT and under what conditions?

The FS32K144HFT0VLHT achieves 112 MHz in HSRUN mode, which requires VDD ≥ 2.7 V and ambient temperature ≤ 105 °C. Operation above 80 MHz disables CSEc execution and EEPROM writes/erases; those functions require switching to RUN mode (80 MHz). This limitation is enforced by hardware to prevent timing violations during security operations.

Does the FS32K144HFT0VLHT support CAN-FD, and how many CAN interfaces does it have?

Yes, the FS32K144HFT0VLHT includes three FlexCAN modules, each supporting CAN-FD (ISO 11898-1) with data rates up to 5 Mbps. All three modules are fully functional in the 144-pin LQFP package, with dedicated TX/RX pins mapped to separate port groups to avoid signal contention.

What memory protection features are implemented in the FS32K144HFT0VLHT?

The FS32K144HFT0VLHT implements NXP's System MPU at the AXBS-Lite crossbar level, providing region-based access control for all masters (CPU, DMA, Ethernet). It also includes ECC on 2 MB flash and 256 KB SRAM, CRC module for memory integrity checks, and internal watchdog (WDOG) with external monitor (EWM) for fail-safe reset generation.

Can the FS32K144HFT0VLHT operate from a 3.3 V supply, and what are the implications?

Yes, the FS32K144HFT0VLHT supports 3.3 V operation within its 2.7–5.5 V range. At 3.3 V, maximum HSRUN frequency is reduced to 80 MHz (RUN mode), and analog performance-including ADC accuracy and comparator offset-is specified per datasheet Table 3. Full 112 MHz operation requires ≥ 4.5 V per NXP characterization data.

How does the CSEc security engine in the FS32K144HFT0VLHT support secure boot and firmware updates?

The CSEc in FS32K144HFT0VLHT implements SHE-compliant cryptographic services including AES-128/256 encryption/decryption, SHA-256 hashing, and ECDSA signature verification. It enables authenticated secure boot by validating firmware image signatures before execution and supports encrypted OTA updates via protected key storage and hardware-accelerated decryption.