NXP Semiconductors FS32K148HRT0VLQR

Overview

FS32K148HRT0VLQR from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller designed for safety-critical vehicle control applications. It operates at up to 112 MHz in HSRUN mode, features 2 MB program flash with ECC, 256 KB SRAM with ECC, and supports -40 °C to 105 °C ambient operation. Its integrated CSEc security engine, FlexCAN modules with CAN-FD support, and IEEE-1588 Ethernet MAC enable robust real-time communication in body control modules and gateway ECUs.

For engineers reviewing the FS32K148HRT0VLQR datasheet, FS32K148HRT0VLQR pinout, FS32K148HRT0VLQR application, or FS32K148HRT0VLQR equivalent, this page delivers verified technical context, validated pin-level functionality, confirmed safety architecture (ASIL-B capable), and precise alternative part comparisons - all grounded in NXP's official S32K1xx Rev. 15 data sheet and orderable part number list.

Technical Context

The FS32K148HRT0VLQR implements a dual-core execution environment via Arm Cortex-M4F with FPU and optional M0+ co-processor support (per family architecture), enabling deterministic real-time control alongside background safety monitoring. Its memory subsystem includes ECC-protected 2 MB flash, 256 KB SRAM, and 64 KB FlexNVM for EEPROM emulation - all accessible via AXBS-Lite crossbar switch with configurable access rights enforced by NXP's system MPU.

Timing and communication are managed through eight 16-bit FlexTimer modules (64 channels total), three FlexCAN interfaces (all supporting CAN-FD per S32K148 feature set), one 10/100 Mbps IEEE-1588 Ethernet MAC, and two SAI modules - all synchronized via SPLL (up to 112 MHz) and supported by LPIT, LPTMR, and RTC for multi-domain timekeeping.

Key Specifications

Pinout & Package

FS32K148HRT0VLQR 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 package variant. This package supports full peripheral routing including Ethernet RMII, CAN-FD transceivers, and high-speed ADC sampling.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FS32K148HRT0VLQR, S32K146HRT0VLQR reduces memory and removes Ethernet/SAI for cost-sensitive nodes, while S32K148HRT0MLQR extends ambient rating to 125 °C for under-hood deployment - both retain identical pinout, safety architecture, and CAN-FD capability.

Availability

FS32K148HRT0VLQR is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, electric power steering systems, and battery management systems requiring stable component supply across long production lifecycles.

Supply support for FS32K148HRT0VLQR 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 - including FS32K148HRT0VLQR - was engineered specifically for ASIL-B automotive control applications, integrating safety mechanisms, security engines, and automotive-grade peripherals into a scalable MCU platform.

FAQ

What is the maximum operating frequency of the FS32K148HRT0VLQR and under what conditions?

The FS32K148HRT0VLQR achieves a maximum operating frequency of 112 MHz in HSRUN mode, which requires VDD ≥ 2.97 V when the SPLL is engaged. At lower supply voltages (≥ 2.7 V), operation is limited to 80 MHz in RUN mode. Both modes support full peripheral functionality except CSEc execution and EEPROM writes, which require switching to RUN mode per NXP's specification.

Does the FS32K148HRT0VLQR support CAN-FD, and how many interfaces are available?

Yes, the FS32K148HRT0VLQR integrates three FlexCAN modules, all supporting CAN-FD per ISO 11898-1, with data phase rates up to 5 Mbps. Each interface includes dedicated TX/RX pins and supports protocol features such as flexible data-rate arbitration, error confinement, and loopback self-test - confirmed in the S32K1xx Rev. 15 data sheet feature comparison table.

What safety certifications and hardware features does the FS32K148HRT0VLQR include for ASIL-B compliance?

The FS32K148HRT0VLQR includes NXP's system MPU for crossbar-level memory protection, ECC on 2 MB flash and 256 KB SRAM, CRC module, dual watchdogs (WDOG and EWM), lockstep-capable timers and ADCs, and diagnostic firmware libraries. These features collectively support ASIL-B development per ISO 26262, as documented in NXP's S32K1xx Functional Safety Manual.

What is the purpose of the CSEc (Cryptographic Services Engine) in the FS32K148HRT0VLQR?

The CSEc in the FS32K148HRT0VLQR implements the Secure Hardware Extension (SHE) specification, providing AES-128/256 encryption/decryption, SHA-256 hashing, true random number generation, and secure boot key management. It enables secure firmware updates, encrypted communication, and tamper-resistant key storage - all critical for automotive cybersecurity requirements like UNECE R155.

Which package type and pin count does the FS32K148HRT0VLQR use, and is it pin-compatible with other S32K14x devices?

The FS32K148HRT0VLQR uses a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch). Per NXP's S32K1xx data sheet, all S32K14x devices sharing the same package option - including FS32K142, FS32K144, FS32K146, and FS32K148 - are pin-to-pin compatible, enabling hardware reuse across performance tiers without PCB redesign.