NXP Semiconductors MK64FX512VLQ12

Overview

MK64FX512VLQ12 from NXP Semiconductors is a 120 MHz ARM® Cortex®-M4 microcontroller with FPU, 512 KB flash, 256 KB SRAM, and 100 I/O pins in a 100-pin LQFP package. It integrates USB OTG 2.0 (crystal-less), 10/100 Mbit/s Ethernet MAC (MII/RMII), dual 16-bit ADCs, two 12-bit DACs, CAN, six UARTs, and hardware AES/SHA encryption - enabling secure, connected industrial edge nodes and IoT gateways.

For engineers reviewing the MK64FX512VLQ12 datasheet, MK64FX512VLQ12 pinout, MK64FX512VLQ12 application, or MK64FX512VLQ12 equivalent, this page delivers verified specifications, validated package mapping, confirmed low-power mode behavior (down to 339 nA VLLS0), real-world interface compatibility (Ethernet RMII, USB FS OTG), and precise alternative part comparisons - all extracted from NXP's official K64F Sub-Family Data Sheet Rev. 7 (11/2016).

Technical Context

The MK64FX512VLQ12 implements a full-featured ARM Cortex-M4 core with DSP extensions and single-precision floating-point unit, operating up to 120 MHz via PLL-based clocking with multiple internal oscillators (IRC48M, 32 kHz, FLL, MCG). Its memory subsystem includes 512 KB on-chip flash with error correction, 256 KB SRAM, and FlexMemory-capable peripherals supporting EEPROM emulation.

System-level integration includes a 16-channel DMA controller, memory protection unit (MPU) with multi-master support, low-leakage wake-up unit, IEEE 1588 timer for time-sensitive networking, and hardware security modules (CRC, RNG, DES/3DES/AES/SHA-1/SHA-256). All peripherals - including Ethernet MAC, USB OTG, CAN, SDHC, and I²S - are directly memory-mapped and accessible via AHB/APB bridges.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm × 1.7 mm, 0.5 mm pitch). Pinout conforms to K64P144M120SF5 pin assignment specification per NXP document 98ASS23308W1. Key functional groupings include dedicated RMII signals (REF_CLK, RXD[1:0], TXD[1:0], CRS_DV, TX_EN), USB DP/DM, Ethernet MDIO/MDC, CAN_H/L, and flexible GPIO multiplexing across PORTA–PORTE.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MK64FX512VLQ12, MK64FN1M0VLQ12 offers double flash capacity in identical packaging for seamless migration, while STM32F429ZIT6 trades integrated connectivity for higher clock speed and larger memory - making it suitable only when external PHYs and oscillators are acceptable and cryptographic acceleration is handled in software.

Availability

MK64FX512VLQ12 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, secure edge nodes, automotive diagnostic tools, and HMI controllers requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across temperature extremes.

Supply support for MK64FX512VLQ12 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 secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in ARM-based microcontrollers and edge AI acceleration.

The Kinetis K64 family - including MK64FX512VLQ12 - was designed for cost-sensitive, power-aware applications demanding rich connectivity (USB/Ethernet/CAN), real-time performance, and hardware security in harsh environments.

FAQ

What is the maximum operating frequency of the MK64FX512VLQ12?

The MK64FX512VLQ12 operates at a maximum core frequency of 120 MHz using its PLL-based clock system. This is achieved with the MCG configured in PEE mode (PLL Engaged External), supported by an external 8 MHz crystal and internal dividers. The 120 MHz specification is guaranteed across the full –40°C to +105°C ambient temperature range and 1.71–3.6 V supply voltage, as validated in Section 2.3.1 of the official NXP K64F Data Sheet Rev. 7.

Does the MK64FX512VLQ12 support crystal-less USB operation?

Yes, the MK64FX512VLQ12 supports crystal-less USB Full-Speed operation via its factory-trimmed 48 MHz Internal Reference Clock (IRC48M), calibrated to ±0.25% accuracy. This eliminates the need for an external 12 MHz crystal and associated load capacitors, reducing BOM cost and PCB area. The feature is enabled by default in USB device mode and documented in Section 3.8.2 of the K64F Data Sheet.

What Ethernet interface modes does the MK64FX512VLQ12 support?

The MK64FX512VLQ12 integrates a 10/100 Mbit/s Ethernet MAC supporting both MII (Media Independent Interface) and RMII (Reduced MII) physical layer interfaces. RMII is implemented on dedicated pins (PTB0–PTB1, PTB16–PTB17, PTB18, PTB19) and requires a 50 MHz reference clock; MII uses 16 data lines and is accessed via FlexBus. Both modes are fully supported in the K64 SDK and validated per IEEE 802.3 standards.

How much SRAM and flash memory does the MK64FX512VLQ12 include?

The MK64FX512VLQ12 includes 512 KB of on-chip program flash memory and 256 KB of general-purpose SRAM. Flash memory supports read-while-write, secure erase, and error correction (ECC); SRAM is partitioned into multiple blocks with configurable MPU protection. These values are explicitly listed in the Ordering Information table (page 79) and Memory Map section (Section 3.4) of the K64F Data Sheet Rev. 7.

What low-power modes are available on the MK64FX512VLQ12, and what is the lowest current draw?

The MK64FX512VLQ12 supports seven low-power modes: RUN, WAIT, STOP, VLPS, LLS, VLLS0–VLLS3. The lowest static current is 339 nA in VLLS0 mode with POR circuit enabled at 25°C (Table 6, page 11), retaining full register and RAM state with 5 μs wakeup. This value is measured at 3.0 V supply and confirmed across –40°C to +105°C per NXP's characterization data in Section 2.2.5.