NXP Semiconductors FS32K144HFT0VLHR

Overview

FS32K144HFT0VLHR 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 105 °C ambient temperature. It targets body control modules requiring functional safety up to ASIL-B.

For engineers reviewing the FS32K144HFT0VLHR datasheet, FS32K144HFT0VLHR pinout, FS32K144HFT0VLHR application, or FS32K144HFT0VLHR equivalent, key selection considerations include its 144-pin LQFP package, 112 MHz HSRUN performance with FPU and DSP, dual ADC capability, CSEc-based cryptographic acceleration, and CAN-FD readiness for automotive networked systems.

Technical Context

The FS32K144HFT0VLHR 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 eDMA resources. Its clock system combines SPLL (up to 112 MHz), FIRC (48 MHz), SIRC (8 MHz), and LPO (128 kHz) with configurable gating per peripheral domain.

Power management includes five operational modes-HSRUN, RUN, STOP, VLPR, VLPS-with PMC-controlled transitions and dedicated low-power timers (LPTMR, LPIT). Memory protection uses NXP's system MPU at crossbar level-not Arm Core MPU-to enforce access rights for CPU, DMA, and Ethernet masters across protected regions.

Key Specifications

Pinout & Package

FS32K144HFT0VLHR is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's standardized S32K14x signal mapping, supporting full peripheral routing including dual ADC groups, three CAN transceivers, Ethernet PHY interface, and SAI audio paths.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FS32K144HFT0VLHR, the S32K144HFT0MLHR trades 112 MHz HSRUN performance for extended temperature operation, whereas the S32K146HFT0VLHR retains full HSRUN capability while doubling SRAM and adding Ethernet redundancy-making it ideal for scalable gateway platforms where future feature expansion is anticipated.

Availability

FS32K144HFT0VLHR is available at Aetrix Electronics and suitable for automotive body electronics, chassis control units, and gateway modules requiring stable component supply, long lifecycle support, and AEC-Q100 qualification.

Supply support for FS32K144HFT0VLHR 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 focused on automotive, industrial, IoT, and communication infrastructure solutions, with deep expertise in secure microcontrollers and radar technology.

The S32K1xx family was designed specifically for automotive electronic control units requiring functional safety (ISO 26262), security (SHE/CSEc), and real-time performance in harsh environments-from body control to domain gateways.

FAQ

What is the maximum operating frequency of the FS32K144HFT0VLHR and under what conditions?

The FS32K144HFT0VLHR achieves a maximum operating frequency of 112 MHz in HSRUN mode, which is guaranteed across -40 °C to 105 °C ambient temperature. This mode requires VDD ≥ 2.7 V and disables CSEc execution and EEPROM writes/erase; those operations must be performed in RUN mode at 80 MHz. The device also supports lower-frequency modes (e.g., RUN at 80 MHz, VLPR at 48 MHz) for power optimization.

Does the FS32K144HFT0VLHR support CAN-FD, and how many CAN interfaces does it include?

Yes, the FS32K144HFT0VLHR supports CAN-FD through all three integrated FlexCAN modules. Each module is CAN-FD capable per ISO/CD 11898-1, enabling data rates up to 5 Mbps and payloads up to 64 bytes. The device routes CAN0–CAN2 signals to dedicated differential pins in its 144-pin LQFP package, allowing simultaneous operation on separate networks without arbitration conflict.

What memory protection mechanisms are implemented in the FS32K144HFT0VLHR?

The FS32K144HFT0VLHR implements NXP's system-level Memory Protection Unit (MPU) at the AXBS-Lite crossbar switch, assigning access rights per master (CPU, DMA, Ethernet) to protected memory regions. It does not use Arm's core-integrated MPU. Additional protections include ECC on 2 MB flash and 256 KB SRAM, CRC module for data integrity checks, and dual watchdogs (WDOG and EWM) for fault detection and recovery.

How does the FS32K144HFT0VLHR handle secure boot and cryptographic operations?

The FS32K144HFT0VLHR uses the Cryptographic Services Engine (CSEc) to perform secure boot validation, AES-128/256 encryption/decryption, SHA-256 hashing, and true random number generation-all in hardware without CPU involvement. CSEc complies with the Secure Hardware Extension (SHE) specification and supports key wrapping, secure firmware updates, and runtime attestation, ensuring tamper-resistant operation throughout the device lifecycle.

What is the ADC configuration supported by the FS32K144HFT0VLHR, and how many analog inputs are available?

The FS32K144HFT0VLHR integrates two independent 12-bit SAR ADC modules, each supporting up to 16 analog input channels for a total of 32. Both ADCs operate at up to 1 MSPS with configurable sample-and-hold, hardware trigger sources (PDB, FlexTimer), and result FIFOs. They share VREFH/VREFL references and support differential and single-ended acquisition modes, making them suitable for battery monitoring, temperature sensing, and motor current measurement.