NXP Semiconductors FS32K144HAT0MLLT

Overview

FS32K144HAT0MLLT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with 2 MB flash, 256 KB SRAM (both with ECC), 112 MHz HSRUN/80 MHz RUN operation, and integrated CSEc security engine. It supports CAN-FD, FlexCAN, LPUART/LIN, LPSPI, LPI2C, FlexIO, and 12-bit ADCs - deployed in vehicle body control modules requiring ASIL-B functional safety compliance.

For engineers reviewing the FS32K144HAT0MLLT datasheet, FS32K144HAT0MLLT pinout, FS32K144HAT0MLLT application, or FS32K144HAT0MLLT equivalent, this page delivers verified technical context, package-specific pin mapping, safety-critical power mode behavior, real-world automotive use cases, and validated alternative parts for ECU design continuity.

Technical Context

The FS32K144HAT0MLLT implements a dual-core-capable architecture with Arm Cortex-M4F core (112 MHz HSRUN, 80 MHz RUN) and optional M0+ co-processor support, featuring integrated FPU, DSP extensions, and NVIC with configurable priority levels. Its memory subsystem includes ECC-protected 2 MB flash, 256 KB SRAM, 64 KB FlexNVM for EEPROM emulation, and 4 KB FlexRAM.

Power management is governed by PMC with five modes: HSRUN (112 MHz), RUN (80 MHz), STOP, VLPR, and VLPS - where CSEc execution and EEPROM writes are explicitly prohibited in HSRUN mode and require transition to RUN mode. Clocking uses SOSC (4–40 MHz), FIRC (48 MHz), SIRC (8 MHz), LPO (128 kHz), and SPLL (up to 112 MHz).

Key Specifications

Pinout & Package

FS32K144HAT0MLLT is housed in a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch), pin-compatible with other S32K14x devices in the same footprint. This package supports full peripheral access including all three FlexCAN channels, dual ADC modules, Ethernet interface pins (not enabled in this variant), and 156 GPIOs (with interrupt capability).

Key Features

Applications

Equivalent & Alternatives

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

Compared with FS32K144HAT0MLLT, FS32K146HAT0MLLT offers expanded memory and Ethernet but requires package change, while FS32K144HFT0MLLT provides identical mechanical fit and performance at lower cost and security level - enabling tiered product family scaling without architectural divergence.

Availability

FS32K144HAT0MLLT is available at Aetrix Electronics and suitable for automotive body control modules, electronic power steering systems, ADAS sensor hubs, and vehicle gateway controllers requiring stable component supply across long production lifecycles.

Supply support for FS32K144HAT0MLLT 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 applications, with deep expertise in Arm-based MCUs and functional safety certification.

The S32K1xx series was designed specifically for automotive electronic control units requiring ASIL-B compliance, robust EMC performance, and long-term supply stability - with FS32K144HAT0MLLT targeting mid-tier body and chassis controllers.

FAQ

What is the maximum operating frequency of the FS32K144HAT0MLLT and under which power mode?

The FS32K144HAT0MLLT operates at up to 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 the full -40 °C to 125 °C range. CSEc security operations and EEPROM writes are only permitted in RUN mode (80 MHz), as specified in the S32K1xx Data Sheet Rev. 15.

Does the FS32K144HAT0MLLT support CAN-FD, and how many CAN interfaces does it include?

Yes, the FS32K144HAT0MLLT integrates three FlexCAN modules, each supporting CAN-FD per ISO 11898-1 with data rates up to 5 Mbps. All three channels are fully functional in the 144-pin LQFP package, with dedicated TX/RX pins routed to separate differential pairs - enabling simultaneous high-speed communication with multiple ECUs in modern vehicle networks.

What safety certifications and hardware features does the FS32K144HAT0MLLT provide for ASIL-B compliance?

The FS32K144HAT0MLLT includes System MPU, ECC on flash and SRAM, CRC module, dual watchdog (WDOG + EWM), and lockstep-capable peripherals - all documented in the S32K1xx Data Sheet as supporting ASIL-B decomposition per ISO 26262. It is AEC-Q100 Grade 1 qualified (-40 °C to 125 °C) and ships with safety manual and FMEDA reports from NXP.

Can the FS32K144HAT0MLLT execute CSEc cryptographic operations at 112 MHz?

No. The FS32K144HAT0MLLT cannot execute CSEc (Cryptographic Services Engine) operations or EEPROM writes/erase in HSRUN mode (112 MHz). As explicitly stated in the S32K1xx Data Sheet Rev. 15, these functions trigger error flags unless the device is switched to RUN mode (80 MHz). This is a hard silicon limitation enforced by the PMC and CSEc controller.

What is the package type and pin count of the FS32K144HAT0MLLT, and is it pin-compatible with other S32K14x variants?

The FS32K144HAT0MLLT uses a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch). Per the S32K1xx Data Sheet Figure 3, all S32K14x devices in the 144-pin LQFP option are pin-to-pin compatible - including FS32K142HAT0MLLT, FS32K144HAT0MLLT, and FS32K146HAT0MLLT - enabling scalable memory/peripheral upgrades without PCB changes.