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NXP Semiconductors MK66FX1M0VLQ18
- Part No.:
- MK66FX1M0VLQ18
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
MK66FX1M0VLQ18.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,173
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Product details
Overview
MK66FX1M0VLQ18 from NXP Semiconductors is a 180 MHz ARM Cortex-M4F microcontroller with DSP instructions and single-precision floating-point unit, 1.25 MB flash, 256 KB SRAM, dual USB (including HS PHY), 10/100 Mbit/s Ethernet MAC with IEEE 1588 support, and two CAN interfaces - deployed in industrial gateways requiring real-time protocol bridging and secure fieldbus connectivity.
For engineers reviewing the MK66FX1M0VLQ18 datasheet, MK66FX1M0VLQ18 pinout, MK66FX1M0VLQ18 application, or MK66FX1M0VLQ18 equivalent, this page delivers verified specifications, validated LQFP-144 pin mapping, confirmed low-power stop-mode operation down to 0.254 µA, and direct alternatives for K66-family migration paths in safety-critical edge controllers.
Technical Context
The MK66FX1M0VLQ18 implements an ARM Cortex-M4F core with integrated FPU and DSP extensions, supporting high-speed run mode up to 180 MHz and multiple low-power states including VLLS0 (0.254 µA typ.) with POR detect enabled. Its memory subsystem includes 1.25 MB program flash and 256 KB SRAM, with FlexBus interface for external SDRAM expansion.
Peripherals include dual USB controllers - one with on-chip high-speed PHY (480 Mbps) and full-speed OTG capability, and another full-/low-speed OTG controller - plus a hardware-accelerated Ethernet MAC with MII/RMII, IEEE 1588 timestamping, two CAN 2.0B controllers, four I²C, three SPI, five UARTs + LPUART0, SDHC, I²S, and dual 16-bit SAR ADCs with 12-bit DACs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M4F @ 180 MHz with FPU and DSP instructions - enables real-time signal processing and floating-point math without software emulation |
| Flash / RAM | 1.25 MB flash / 256 KB SRAM - supports complex protocol stacks (e.g., EtherNet/IP, CANopen) and local data buffering |
| USB | Dual USB: one HS PHY (480 Mbps) + FS OTG, one FS/LFS OTG - allows simultaneous host/peripheral roles and embedded device-class firmware updates |
| Ethernet | 10/100 Mbit/s MAC with MII/RMII and IEEE 1588 hardware timestamping - enables deterministic time-synchronized industrial networking |
| CAN | Two CAN 2.0B controllers - supports dual-fieldbus redundancy or multi-network gateway functions (e.g., CAN-to-Ethernet bridge) |
| ADC/DAC | Two 16-bit SAR ADCs + two 12-bit DACs - provides high-resolution analog I/O for sensor conditioning and actuator control loops |
| Temp Range | –40°C to +105°C - qualified for under-hood automotive, motor drive, and industrial control environments |
| Supply | 1.71–3.6 V operation - compatible with single-supply battery or industrial 3.3 V rail without level-shifting |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Digital power/ground | 12 dedicated pairs ensure stable core/bus voltage under dynamic load; decoupling required per NXP layout guidelines |
| VDDA/VSSA | Analog power/ground | Isolated analog domain for ADC/DAC reference stability; must be filtered separately from digital supply |
| EXTAL0/XTAL0 | Main crystal oscillator input/output | Supports 3–32 MHz crystal for precise system clock generation; essential for Ethernet and USB timing compliance |
| ENET0_RXD0–3, TXD0–3 | Ethernet MAC data lines | MII interface pins - require controlled impedance routing (50 Ω) and length matching for 100 Mbps operation |
| USB0_DP/DM | High-speed USB differential pair | On-chip HS PHY eliminates external transceiver; requires 90 Ω differential impedance and ESD protection |
| PTA0–31, PTB0–17, etc. | GPIO multiplexed signals | 100 configurable I/Os with programmable pull-up/down, slew rate, and drive strength - supports flexible peripheral assignment |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Hardware Timestamping | Sub-microsecond precision time-stamping of Ethernet frames enables synchronized motion control across distributed drives |
| Secure Boot with CAU | Integrated cryptographic acceleration (AES/SHA/DES) and hardware RNG enable authenticated firmware loading and runtime integrity checks |
| Stop Mode Current as Low as 0.254 µA | VLLS0 mode with POR detect disabled allows ultra-low-power wake-on-event operation in battery-backed remote I/O modules |
| FlexBus + SDRAM Controller | External memory interface supports up to 256 MB SDRAM - extends buffer capacity for video streaming or protocol translation buffers |
| Low-Power Timers in Stop Modes | TPM and LPTMR retain operation during VLPS/STOP - enables periodic sensor sampling without full wake-up overhead |
| Hardware Touch Sensing (TSI) | Capacitive touch interface with built-in charge-transfer measurement - reduces BOM cost for HMI panels in industrial HMIs |
Applications
| Industrial Ethernet Gateway | Automotive Diagnostic Tool |
|---|---|
Use Scenario: Protocol translation between CAN FD and EtherNet/IP in factory automation systems. IC Role / Device Role / Timing Role: Central MCU managing dual network stacks, real-time packet forwarding, and security enforcement. Use Value: Dual CAN + Ethernet MAC + IEEE 1588 enables deterministic latency control and time-synchronized multi-axis coordination. | Use Scenario: Handheld OBD-II scanner supporting UDS, DoIP, and J1939 diagnostics over USB and Wi-Fi (via external module). IC Role / Device Role / Timing Role: Host processor running diagnostic stack, USB CDC interface, and secure firmware update handler. Use Value: On-chip HS USB PHY and cryptographic accelerators allow certified firmware signing and fast bulk data transfer to PC tools. |
| Smart Energy Meter Hub | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Aggregating data from RS-485 Modbus meters and transmitting via cellular or LoRaWAN using external modem. IC Role / Device Role / Timing Role: Data concentrator with isolated serial interfaces, RTC, and secure storage for meter logs. Use Value: 256 KB SRAM buffers burst telemetry; VLLS0 current <0.3 µA extends battery life in solar-powered deployments. | Use Scenario: Distributed I/O node with analog inputs, PWM outputs, and fieldbus communication in modular PLC chassis. IC Role / Device Role / Timing Role: Real-time I/O controller executing cyclic tasks at 1–10 ms intervals with deterministic jitter. Use Value: Dual 16-bit ADCs and 12-bit DACs provide 16-bit resolution for process control; TPM timers guarantee sub-µs PWM accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MK66FN2M0VLQ18 | 2 MB flash (vs. 1.25 MB), same 256 KB SRAM, identical package and pinout | Better suited for applications requiring larger OTA firmware images or dual-bank secure boot | Select when future firmware growth or A/B image updates are required; otherwise MK66FX1M0VLQ18 offers optimal cost/performance balance |
| RT1064F1MLL | ARM Cortex-M7 @ 600 MHz, 2 MB flash, no on-chip Ethernet MAC, uses external PHY | Higher compute throughput but lacks integrated Ethernet; requires additional PHY and magnetics | Choose for AI-edge inference or high-throughput data processing where Ethernet is handled externally or via PCIe |
Compared with MK66FX1M0VLQ18, MK66FN2M0VLQ18 provides headroom for firmware expansion without layout change, while RT1064F1MLL trades integrated Ethernet for raw CPU performance - making MK66FX1M0VLQ18 the optimal choice for cost-sensitive, Ethernet-native industrial controllers.
Availability
MK66FX1M0VLQ18 is available at Aetrix Electronics and suitable for industrial gateways, automotive diagnostic tools, smart energy hubs, and PLC I/O modules requiring stable component supply across extended product lifecycles.
Supply support for MK66FX1M0VLQ18 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, IoT, and mobile applications.
The Kinetis K66 sub-family - including MK66FX1M0VLQ18 - was designed for high-performance, feature-rich industrial and automotive edge nodes requiring integrated Ethernet, dual USB, real-time security, and robust low-power operation.
FAQ
What is the maximum operating frequency of the MK66FX1M0VLQ18?
The MK66FX1M0VLQ18 operates at a maximum core frequency of 180 MHz in High-Speed Run mode. This is achieved using the Phase-Locked Loop (PLL) with a 3–32 MHz external crystal or internal 48 MHz IRC. The device maintains full peripheral functionality at this speed, including Ethernet MAC and USB HS PHY operation, as verified in NXP's K66P144M180SF5V2 reference design.
Does the MK66FX1M0VLQ18 include an integrated Ethernet PHY?
No, the MK66FX1M0VLQ18 integrates only the Ethernet MAC layer. It requires an external PHY chip connected via MII or RMII interface. The device supports IEEE 1588 hardware timestamping on both interfaces, enabling precise time synchronization for industrial protocols like Precision Time Protocol (PTP) when paired with a compliant PHY such as the KSZ8081RNB.
What low-power modes are supported by the MK66FX1M0VLQ18, and what is the lowest achievable current?
The MK66FX1M0VLQ18 supports seven low-power modes, including VLLS0 (Very-Low-Leakage Stop Mode 0). With POR detect circuit disabled, VLLS0 draws as little as 0.254 µA at 3.0 V and –40°C, as specified in Table 7 of the K66 Sub-Family datasheet Rev. 4. This mode retains RAM and selected registers while allowing wake-up via GPIO, RTC alarm, or LPUART activity - ideal for battery-powered remote sensors.
How much flash memory does the MK66FX1M0VLQ18 have, and is it partitionable?
The MK66FX1M0VLQ18 contains 1.25 MB of on-chip program flash memory. Unlike FlexMemory variants (e.g., FX-series with FlexNVM), this part has fixed flash/SRAM allocation - no user-configurable FlexNVM or FlexRAM. Flash is organized in 2 KB sectors and supports read-while-write operation, enabling live firmware updates without halting execution of the MK66FX1M0VLQ18 application.
Which development tools and IDEs officially support the MK66FX1M0VLQ18?
The MK66FX1M0VLQ18 is fully supported by NXP's MCUXpresso SDK and IDE, including drivers, middleware (FreeRTOS, lwIP, USB stack), and example projects for Ethernet, USB, and CAN. It is also compatible with IAR Embedded Workbench and Arm Keil MDK. Debugging is performed via SWD/JTAG using LPC-Link2 or SEGGER J-Link probes - all validated against the MK66FX1M0VLQ18 silicon revision per NXP's K66P144M180SF5RMV21 reference manual.
MK66FX1M0VLQ18 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- Kinetis K60
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, SD, SPI, UART/USART, USB, USB OTG
- Peripherals:
- DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 100
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 2x16b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MK66FX1M0VLQ18 FAQ
1.How can I place an order for MK66FX1M0VLQ18 through Aetrix?
Please submit a Request for Quotation (RFQ) for MK66FX1M0VLQ18 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MK66FX1M0VLQ18 reliable?
The price and inventory of MK66FX1M0VLQ18 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MK66FX1M0VLQ18 is usually 5 days.
3.What payment methods are accepted for MK66FX1M0VLQ18?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MK66FX1M0VLQ18 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MK66FX1M0VLQ18?
MK66FX1M0VLQ18 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MK66FX1M0VLQ18 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MK66FX1M0VLQ18?
For technical support, including MK66FX1M0VLQ18 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MK66FX1M0VLQ18 requirements.
6.How does Aetrix verify that MK66FX1M0VLQ18 is sourced from the original manufacturer or authorized distributors?
All MK66FX1M0VLQ18 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MK66FX1M0VLQ18 meets industry standards.
7.What is the process for return or replacement of MK66FX1M0VLQ18?
All MK66FX1M0VLQ18 units undergo pre-shipment inspection (PSI). If there is an issue with MK66FX1M0VLQ18, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MK66FX1M0VLQ18 part is unused and in its original packaging.
Return procedure for MK66FX1M0VLQ18:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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