MK30DX128VLL7 - Kinetis K30 72MHz Cortex-M4 MCU, 128KB Flash | NXP
MPN: MK30DX128VLL7 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.5 | $11.50 |
| 10 | $10.2 | $102.00 |
| 100 | $8.75 | $875.00 |
| 500 | $7.4 | $3,700.00 |
| 1,000 | $6.5 | $6,500.00 |
MK30DX128VLL7 Overview
A Kinetis K-series microcontroller is a Cortex-M4 based system-on-chip that integrates Flash, SRAM, mixed-signal analog, timers, communication peripherals and various human-machine-interface blocks (LCD, USB, CAN, segments) onto a single die. Within the broader Kinetis portfolio, K30 sits between the cost-optimized K10 and the higher-performance K40/K60/K70 families, sharing peripherals, tool chains and the same enablement ecosystem. The MK30DX128VLL7 includes hardware FPU, 16-bit ADC, 12-bit DAC, comparators and segment-LCD drive.
Key features of the MK30DX128VLL7 include 72 MHz Cortex-M4 core with single-precision FPU, 128 KB Flash, 32 KB SRAM, segment LCD driver (up to 8x40 or 8x32 segments depending on package), USB 2.0 full-speed with on-chip transceiver, CAN, I2C, SPI, UART, 12-bit SAR ADC, 12-bit DAC, low-power run/wait/stop modes with VLLS retention. The LQFP-100 package exposes the full peripheral set, making it suited for cost-sensitive HMI designs.
The architecture uses a Harvard bus with separate code and data paths and an integrated FPU; this allows deterministic interrupt latency while sustaining DSP-class math throughput for control loops. Internal high-accuracy reference and trim features reduce BOM cost and improve ADC accuracy.
Typical applications include low-cost segment-LCD human-machine-interface panels, smart metering, home appliances, industrial control panels, building automation and white-goods user interfaces. The Cortex-M4 plus FPU enables these filters to be implemented efficiently with deterministic execution.
Designers should plan for a 2.7-3.6V supply, a 32.768 kHz watch crystal for accurate RTC, and SWsupport all decoupling. Cap included PCB near the MCU. The datasheet defines maximum pin ratings - exceeding them causes permanent damage.
This page synthesizes distributor pricing, lifecycle status, drop-in same-package alternatives within the Kinetis family and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for MK30DX128VLL7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MK30DX128VLL7 (same form factor and footprint) — differing in Package, Operating Temperature, Flash Memory, Segment LCD Controller, Series.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MK30DX256VLK7
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →MK40DX128VLH7
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.68 / Unit
View Datasheet →MKL02Z16VFG4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →MK30DX128VLL7 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4 with FPU |
| Maximum CPU Frequency | 72 MHz |
| Program Memory (Flash) | 128 KB |
| RAM | 32 KB |
| Operating Voltage | 1.71 V to 3.6 V |
| ADC | 12-bit SAR |
| DAC | 12-bit |
| Segment LCD | Yes (up to 8x40 segments) |
| USB | USB 2.0 Full-Speed with on-chip transceiver |
| CAN | Yes (FlexCAN) |
| Package | 100-LQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +105C (Industrial) |
| RoHS Status | Compliant |
| Sub-Family | Kinetis K30 |
MK30DX128VLL7 100-lqfp (14x14 mm) Pin Configuration Guide
Pin configuration for MK30DX128VLL7 (100-lqfp (14x14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MK30DX128VLL7.
Refer to the datasheet for full pin configuration.
Typical Applications
MK30DX128VLL7 is suitable for 6 applications: Smart Meter Segment LCD HMI, Home Appliance User Interface Panels, Industrial Control Panels and HMI, Building Automation Thermostats, White Goods Motor-Plus-Display Boards, Medical Segment-LCD Devices.
Smart Meter Segment LCD HMI
The MK30DX128VLL7's integrated SLCD controller (up to 8x40 segments) drives utility-meter displays without external LCD drivers, reducing BOM cost and PCB area for residential electricity, water and gas meters. The 72 MHz Cortex-M4 with FPU computes tariff logic and power-quality metrics while the 32 KB SRAM buffers logging samples. Low-power VLLS modes below 5 uA extend battery life; on-chip 12-bit ADC accurately samples CT/PT inputs. Pin compatibility with the 100-LQFP layout eases mechanical fit in standard meter enclosures.
Recommended
Home Appliance User Interface Panels
The MK30DX128VLL7 drives segment-LCD user interfaces on washing machines, dishwashers, ovens and refrigerators, integrating the MCU and SLCD bias network on a single chip. The 72 MHz performance handles capacitive-touch decoding, motor-control supervisory logic and segment refresh with deterministic interrupt latency from the Cortex-M4 NVIC. USB device mode supports diagnostic/service interfaces without adding a separate bridge IC. The 100-LQFP package is widely accepted in appliance factories and supports both leaded and lead-free reflow.
Recommended
Industrial Control Panels and HMI
The MK30DX128VLL7 powers segment-LCD industrial control panels where deterministic real-time response, segment display and CAN connectivity are required in one device. The hardware FPU executes PID loops and signal-processing math at 72 MHz without CPU stalls, while the segment LCD displays setpoints, alarms and status to operators. Integrated FlexCAN enables panel-to-PLC networks on factory floors; USB device mode permits firmware updates via service ports. The 100-LQFP package provides generous pin count for parallel I/O expansion in panel wiring.
Recommended
Building Automation Thermostats
Commercial and residential thermostats use the MK30DX128VLL7 to drive segment-LCD temperature displays, run PID climate control and read NTC sensors via the 12-bit ADC. The integrated FPU executes floating-point thermostat algorithms efficiently while VLLS power modes drop quiescent current to single-digit microamps for battery-backed operation. CAN or USB connectivity supports integration into building-automation backbones; the 100-LQFP package allows flexible PCB routing for HVAC actuators. Hardware cryptographic acceleration and secure boot features support anti-tamper designs.
Recommended
White Goods Motor-Plus-Display Boards
In washing-machine, dryer and dishwasher control boards, the MK30DX128VLL7 combines SLCD user interfaces with supervisory control of BLDC or universal motors, replacing a separate display MCU plus a control MCU. The hardware FPU handles field-oriented control math; timers trigger PWM and ADC sampling synchronized to zero-crossings. Segment LCD displays cycle status, errors and timers; FlexCAN links multiple subsystems. Designers appreciate the single-chip integration reducing assembly steps and bill-of-materials.
Recommended
Medical Segment-LCD Devices
Non-critical medical devices such as blood-pressure monitors, glucose meters and nebulizers use the MK30DX128VLL7 to drive segment-LCD readouts, run measurement algorithms on the Cortex-M4 with FPU and manage battery charging through the on-chip USB controller. The 12-bit ADC acquires sensor signals with adequate resolution for vital-sign displays, while 32 KB SRAM buffers waveform data. The 100-LQFP package fits the form factor of typical handheld medical enclosures and supports both alkaline and rechargeable battery chemistries.
Recommended
Recommended Products Summary
Engineering reference data for MK30DX128VLL7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MK30DX256VLK7 | MK40DX128VLH7 | MKL02Z16VFG4 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 100-LQFP (14x14) | 80-LQFP | 64-LQFP (10x10) | QFP-48 |
| Core | Cortex-M4 + FPU | Cortex-M4 + FPU | Cortex-M4 + FPU | Cortex-M0+ |
| Max Frequency | 72 MHz | 72 MHz | 72 MHz | 48 MHz |
| Flash | 128 KB | 256 KB | 128 KB | 16 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 4 KB |
| Segment LCD | Yes | Yes | No | No |
| USB | FS with on-chip PHY | FS with on-chip PHY | FS with on-chip PHY | FS with on-chip PHY |
Key Differentiators
- Integrated segment LCD controller on Cortex-M4 with FPU (vs MK40DX128VLH7)
- Larger 100-LQFP package with full peripheral exposure (vs MKL02Z16VFG4)
- K30 sub-family shared enablement (vs MK20DX128VLL5)
Design Notes
The MK30DX128VLL7 integrates a 1.2 V core LDO driven from VDD (1.71-3.6 V). For best noise performance, place a 4.7 uF bulk + 100 nF decoupling pair within 2 mm of the VDD pins, and a separate 100 nF near each VDD pin if the package exposes multiple. Use the internal reference only when the precision is sufficient; otherwise drive VREFH from an external 2.5-3.0 V reference tied to the ADC accuracy budget.
Route the 32.768 kHz RTC crystal traces symmetrically within 5 mm of the XTAL32 pins with a ground guard on both sides and a clean ground plane reference. Keep digital switching traces away from analog ADC inputs and the VREFH/VREFL pair. Place the segment-LCD COM/SEG signals on the bottom layer when the top layer holds the glass connector, and add stitching vias around the LCD bias charge-pump area.
Do not exceed the absolute maximum VDD of 3.6 V even briefly - the internal voltage regulator does not clamp over-voltage. Configure unused pins as analog inputs with the internal pull disabled to minimize current leakage; floating inputs can draw 10-50 uA each. When entering VLLSx, ensure no DMA is active and clear it of NMI sources or wake-up behavior is undefined.
Compliance Information
RoHS compliant per NXP product page. Industrial temperature grade (-40C to +105C). Not AEC-Q100 qualified; for automotive designs use S32K or KEA sub-families.