NXP Semiconductors MK80FN256VLL15

Overview

MK80FN256VLL15 from NXP Semiconductors is a high-performance ARM® Cortex®-M4F microcontroller featuring 256 KB flash, 256 KB SRAM, full-speed USB On-The-Go, and dual QuadSPI interfaces with OTF decryption and XIP support - deployed in industrial HMI, secure IoT gateways, and motor control systems requiring deterministic real-time response and external serial NOR flash boot.

For engineers reviewing the MK80FN256VLL15 datasheet, MK80FN256VLL15 pinout, MK80FN256VLL15 application, or MK80FN256VLL15 equivalent, key selection criteria include its 150 MHz core frequency, independent VDDIO_E domain for QuadSPI I/O (1.71–3.6 V), 100-pin LQFP package with 66 GPIOs, low-power LPUART operation in STOP mode, and hardware cryptographic acceleration (AES/SHA/DES) via CAU.

Technical Context

The MK80FN256VLL15 implements an ARM Cortex-M4F core with DSP extensions and single-precision FPU, operating up to 150 MHz in High-Speed RUN mode. Its memory subsystem includes 256 KB on-chip flash with error correction, 256 KB SRAM split across multiple banks, and dual QuadSPI controllers supporting octal/xSPI protocols, OTF decryption, and execute-in-place (XIP) from serial NOR flash.

System-level features include a multi-layer AHB crossbar switch, memory protection unit (MPU) with multi-master support, and flexible clocking with MCG/IRC/oscillator options. Low-power operation spans six modes (RUN to VLLS0), with LPUART, RTC, CMP, and TSI retaining functionality in STOP/VLPS - enabled by dedicated 32 kHz ERCLK32K and independent VBAT domain.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 × 14 × 1.7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MK80FN256VDC15 and MK66FN2M0VLQ18, the MK80FN256VLL15 uniquely balances 150 MHz performance, dual QuadSPI with hardware decryption, and 100-pin LQFP manufacturability - making it optimal for cost-sensitive, secure, flash-based embedded systems where VDDIO_E isolation improves signal integrity and reduces BOM count.

Availability

MK80FN256VLL15 is available at Aetrix Electronics and suitable for industrial motor control, secure IoT gateways, and medical sensor hubs requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for MK80FN256VLL15 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 ARM-based microcontrollers and edge AI acceleration.

The Kinetis K80 sub-family targets high-reliability embedded applications demanding real-time performance, advanced security, and flexible memory expansion - specifically engineered for industrial automation, smart energy, and medical devices operating across extended temperature ranges.

FAQ

What is the maximum operating frequency of the MK80FN256VLL15 core?

The MK80FN256VLL15 features an ARM Cortex-M4F core rated for up to 150 MHz in High-Speed RUN mode, confirmed in the official datasheet Rev. 5 (Section 1.4). This frequency is sustained with 25 MHz flash clock and 50 MHz bus clock under PEE-mode MCG configuration, delivering deterministic real-time execution for control-critical applications. The MK80FN256VLL15 achieves this while maintaining full peripheral enablement and cryptographic acceleration.

Does the MK80FN256VLL15 support execute-in-place (XIP) from external flash?

Yes, the MK80FN256VLL15 supports XIP via both QuadSPI controllers, as explicitly stated in the datasheet Section 3.3.1 and block diagram (Figure 1). Each QuadSPI interface enables direct code execution from serial NOR flash without loading into internal RAM - critical for fast boot and memory-constrained designs. The MK80FN256VLL15 also includes OTF decryption to maintain security during XIP operations.

What low-power modes are available on the MK80FN256VLL15, and what is the lowest achievable current draw?

The MK80FN256VLL15 offers six low-power modes including VLLS0, with documented current as low as 0.33 µA at 25°C when POR detect is disabled (Table 7, datasheet Rev. 5). This ultra-low state retains RTC functionality via VBAT and allows wake-up from external interrupts or RTC alarms - essential for battery-powered remote sensors. The MK80FN256VLL15 maintains LPUART and CMP operation in STOP/VLPS modes, enabling selective peripheral activity without full wake-up.

How does the independent VDDIO_E supply domain benefit the MK80FN256VLL15 in system design?

The MK80FN256VLL15 allocates PORTE pins-including all QuadSPI signals-to a separate VDDIO_E domain (1.71–3.6 V), electrically isolated from the main VDD rail. This allows interfacing directly with 1.8 V serial NOR flash while the core runs at 3.3 V, eliminating level shifters and reducing noise coupling. Per datasheet Section 1.4.1, VDDIO_E must ramp after VDD but may be tied to the same supply if sequencing is controlled - simplifying power design for the MK80FN256VLL15 in mixed-voltage systems.

Which hardware security features are integrated into the MK80FN256VLL15?

The MK80FN256VLL15 integrates a Cryptographic Acceleration Unit (CAU) supporting AES-128/256, SHA-1/256, and DES/3DES algorithms, plus flash security levels, secure boot ROM, and TRNG. These features are validated in the datasheet Sections 3.4 and 7.1, enabling hardware-accelerated TLS handshakes, secure firmware updates, and tamper-resistant key storage - all without burdening the Cortex-M4F core. The MK80FN256VLL15 leverages these to meet IEC 62443 and UL 2900 requirements for industrial edge devices.