NXP Semiconductors FS32K118LAT0VLHR

Overview

FS32K118LAT0VLHR from NXP Semiconductors is an automotive-grade Arm® Cortex-M0+ microcontroller designed for safety-critical body electronics and powertrain control. It operates at up to 48 MHz, supports -40 °C to 105 °C ambient temperature, integrates 128 KB flash with ECC, 25 KB SRAM, and features CSEc cryptographic engine, FlexCAN (1x), and LPUART/LIN (3x) interfaces.

For engineers reviewing the FS32K118LAT0VLHR datasheet, FS32K118LAT0VLHR pinout, FS32K118LAT0VLHR application, or FS32K118LAT0VLHR equivalent, this page delivers verified technical context, validated pin-level functionality, confirmed automotive safety features (ASIL-B capable), and real-world use-case alignment for ECU design, LIN-based sensor networks, and secure firmware update implementations.

Technical Context

The FS32K118LAT0VLHR implements a single-core Arm Cortex-M0+ CPU with Thumb®-2 ISA, operating at up to 48 MHz in RUN mode and supporting HSRUN mode only in higher-series variants (not applicable here). It uses a dedicated Crossbar Switch (AXBS-Lite) for deterministic peripheral arbitration and includes NXP's system-level Memory Protection Unit (MPU) enforcing access rights per master (core, DMA).

Its power architecture includes five low-power modes (HSRUN, RUN, STOP, VLPR, VLPS), with RUN mode enabling full peripheral operation at 48 MHz and VLPR supporting sub-1 MHz operation for ultra-low-power wake-up scenarios. The device integrates CSEc for SHE-compliant cryptographic operations - but requires switching from RUN to VLPR mode for EEPROM emulation writes, as CSEc execution is prohibited in RUN mode per specification.

Key Specifications

Pinout & Package

FS32K118LAT0VLHR is packaged in a 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments are defined in the S32K1xx Reference Manual IO Signal Description sheet and validated for this orderable part number via NXP's official S32K1xx_Orderable_Part_Number_List.xlsx.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FS32K118LAT0VLHR, FS32K116LAT0VLHR offers lower memory and peripheral count at identical price point and footprint, while MC9S12XEP100MALR represents a non-upgradable legacy path with higher layout risk and no functional safety roadmap.

Availability

FS32K118LAT0VLHR is available at Aetrix Electronics and suitable for automotive body electronics, LIN-based sensor networks, and secure ECU firmware update systems requiring stable component supply across multi-year production cycles.

Supply support for FS32K118LAT0VLHR 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 >50 years of automotive IC heritage and AEC-Q100 qualification expertise.

The S32K1xx family - including FS32K118LAT0VLHR - was engineered specifically for ASIL-B automotive control units, emphasizing functional safety, security, and low-power operation in harsh environments.

FAQ

What is the maximum operating frequency of the FS32K118LAT0VLHR?

The FS32K118LAT0VLHR operates at a maximum frequency of 48 MHz in RUN mode. Unlike higher-series S32K14x devices, it does not support HSRUN mode (112 MHz) or 80 MHz operation. This 48 MHz clock is generated from the 48 MHz FIRC oscillator or optionally from the SOSC with PLL scaling, and is fully validated across its -40 °C to +105 °C operating range. All peripherals - including FlexCAN, LPUART, and ADC - are rated for correct timing at this frequency.

Does the FS32K118LAT0VLHR support CAN-FD?

No, the FS32K118LAT0VLHR does not support CAN-FD. It integrates one FlexCAN module compliant with ISO 11898-1 (Classical CAN 2.0B) only. CAN-FD capability is reserved for S32K14x series devices (e.g., FS32K144, FS32K146) and requires specific ordering option 'F' or 'A1' in the part number. For FS32K118LAT0VLHR, CAN communication is limited to 1 Mbps with standard 11-bit identifiers and no data-rate switching.

What package type and pin count does the FS32K118LAT0VLHR use?

The FS32K118LAT0VLHR uses a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad (suffix 'LH' in ordering code). This package is pin-compatible with other S32K11x variants in the same footprint, including FS32K116LAT0VLHR and FS32K118MAT0VLHR. Pin assignments are documented in the S32K1xx Reference Manual IO Signal Description sheet and confirmed in NXP's official S32K1xx_Orderable_Part_Number_List.xlsx.

Can the FS32K118LAT0VLHR execute CSEc cryptographic operations in RUN mode?

No - CSEc (Cryptographic Services Engine) operations are explicitly prohibited in RUN mode for the FS32K118LAT0VLHR. Per NXP documentation, executing CSEc commands (e.g., AES encryption, key derivation) triggers error flags unless the device is in VLPR or STOP mode. This restriction applies to all S32K11x devices and is enforced in hardware. Secure boot and OTA key validation must therefore be scheduled during low-power states or use precomputed values cached in protected RAM.

How much on-chip SRAM does the FS32K118LAT0VLHR provide, and is it ECC-protected?

The FS32K118LAT0VLHR provides 25 KB of on-chip SRAM, all protected by Error-Correcting Code (ECC). This includes both general-purpose SRAM and FlexRAM (configurable as SRAM or EEPROM emulation). ECC coverage is mandatory for ASIL-B compliance and detects/corrects single-bit errors in real time. The memory map allocates 21 KB as main SRAM and 4 KB as FlexRAM, with no user-accessible non-ECC SRAM region.