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NXP Semiconductors MKE15Z256VLL7
- Part No.:
- MKE15Z256VLL7
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MKE15Z256VLL7.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:331
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Product details
Overview
MKE15Z256VLL7 from NXP Semiconductors is an ARM® Cortex®-M0+ based microcontroller delivering up to 72 MHz operation, 256 KB flash, 32 KB SRAM, and integrated analog peripherals including dual 12-bit 1 Msps ADCs and a robust TSI module - designed for BLDC motor control and HMI systems in industrial and automotive environments.
For engineers reviewing the MKE15Z256VLL7 datasheet, MKE15Z256VLL7 pinout, MKE15Z256VLL7 application, or MKE15Z256VLL7 equivalent, key selection criteria include its 100-pin LQFP package, 89 GPIOs with interrupt capability, FlexTimer-based PWM generation, low-power LPUART/LPSPI/LPI2C interfaces, and support for VLPS/Stop mode wake-up via CMP, ADC, RTC, and TSI.
Technical Context
The MKE15Z256VLL7 implements a single-core ARM Cortex-M0+ executing Thumb®-2 instructions at up to 72 MHz, backed by a configurable NVIC supporting 32 interrupt vectors and 4 priority levels. Its clock system integrates FIRC (48–60 MHz ±1%), SIRC (2/8 MHz ±3%), OSC32, and LPFLL, all managed by the System Clock Generator (SCG) with granular peripheral clock gating.
Peripheral integration includes three FlexTimer modules (FTM) with dead-time insertion and fault inputs for motor control, dual 12-bit SAR ADCs with hardware-triggered sampling and self-calibration, two analog comparators each with integrated 8-bit DACs, and a dedicated Touch Sensing Interface (TSI) supporting up to 25 channels with high noise immunity - all operable in VLPS and Stop modes using SIRC or OSC32 clocks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, up to 72 MHz - enables deterministic real-time control with minimal power overhead. |
| Flash / RAM | 256 KB program flash + 32 KB SRAM - supports complex firmware with data logging and OTA update buffers. |
| ADC | Dual 12-bit SAR, 1 Msps max, 16+12 channel inputs - allows simultaneous current/voltage sensing and auxiliary signal acquisition in motor drives. |
| Timers | 3× FTM (8-channel PWM), 1× LPIT (4-channel), 1× PDB, 1× LPTMR - provides precise timing for commutation, safety monitoring, and low-power wake-up scheduling. |
| Connectivity | 3× LPUART, 2× LPSPI, 2× LPI2C, FlexIO - enables robust communication with sensors, gate drivers, and host controllers under variable power constraints. |
| Power Modes | Run, Wait, Stop, VLPR, VLPW, VLPS - supports <1.5 µA stop-current with retained SRAM and wake-up from ADC/CMP/RTC/TSI. |
| Operating Range | 2.7–5.5 V supply, –40 to +105 °C ambient - qualified for under-hood and industrial control cabinet deployment. |
Pinout & Package
Package: 100-pin LQFP (VLL7), 14 × 14 × 1.4 mm, 0.5 mm pitch - compatible with standard PCB assembly processes and thermal management for sustained 72 MHz operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Power supply / Ground | Dedicated analog/digital power pins with separate decoupling requirements per datasheet Section 6.1.2. |
| PTA0–PTA31, PTB0–PTB16, etc. | GPIO / Multiplexed peripheral signals | 89 total GPIOs; up to 8 support high-drive (20 mA) mode for direct LED/relay interface without external drivers. |
| ADC0_SE0–ADC0_SE15, ADC1_SE0–ADC1_SE11 | Analog input channels | 28 total ADC inputs (16+12); shared with GPIO; require external RC filtering per AN5382 guidelines. |
| TSI0_CH0–TSI0_CH24 | Touch sense inputs | 25-channel capacitive sensing interface; supports proximity, slider, and wheel gestures with built-in noise rejection. |
| FTM0_CH0–FTM2_CH7 | PWM output / Capture input | 24 total FTM channels across 3 modules; support complementary outputs with programmable dead-time for 3-phase inverter control. |
| LPUART0_RX/TX, LPSPI0_PCS0/SCK/MOSI/MISO | Low-power serial I/O | Hardware flow control and DMA-ready; retain functionality in VLPS mode using SIRC clock source. |
Key Features
| Feature | Design Value |
|---|---|
| FlexMemory subsystem | 32 KB FlexNVM + 2 KB FlexRAM - enables EEPROM emulation with wear leveling and atomic write support for parameter storage. |
| TSI with noise immunity | Robust capacitive sensing up to 25 electrodes - achieves >60 Vrms common-mode noise rejection for industrial HMI panels. |
| Self-calibrating ADC | On-chip calibration eliminates need for external reference trimming - maintains ±1 LSB INL over temperature and voltage. |
| AWIC wake-up controller | Dedicated asynchronous interrupt path from CMP/ADC/RTC/TSI in Stop/VLPS - reduces wake latency to <5 µs vs. NVIC-only paths. |
| Boot ROM with UART/I2C/SPI loader | Factory-programmed 8 KB ROM - enables field firmware updates without external programmer or debug interface. |
Applications
| BLDC Motor Control | Industrial HMI Panel |
|---|---|
Use Scenario: 3-phase brushless DC motor drive in HVAC blowers or pump systems requiring closed-loop speed/torque control and overcurrent protection. IC Role / Device Role / Timing Role: Primary controller executing FOC or six-step commutation; synchronizes ADC sampling, PWM updates, and fault response within 1 µs jitter. Use Value: Integrated dual ADCs sample phase currents simultaneously; FTM dead-time insertion prevents shoot-through; VLPS mode enables fast wake-on-fault detection. |
Use Scenario: Capacitive touch overlay on factory-floor operator interface with glove operation and ESD immunity requirements. IC Role / Device Role / Timing Role: Dedicated HMI processor handling touch scan, gesture recognition, and local LED feedback - offloading main CPU. Use Value: TSI supports 25-channel scanning at 100 Hz with adaptive baseline tracking; operates reliably at 105 °C ambient and withstands ±8 kV contact ESD. |
| Automotive Body Control | Smart Sensor Node |
Use Scenario: Door module managing window lift, mirror fold, and interior lighting with LIN bus coordination and battery monitoring. IC Role / Device Role / Timing Role: Low-power system manager interfacing with analog sensors (voltage, temp), driving MOSFETs, and communicating via LPUART/LIN transceiver. Use Value: 2.7–5.5 V operation covers full automotive battery range; 105 °C rating supports under-dash mounting; LPUART supports LIN physical layer timing. |
Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and vibration in predictive maintenance deployments. IC Role / Device Role / Timing Role: Autonomous edge node performing sensor fusion, local thresholding, and scheduled BLE/Wi-Fi wakeup - minimizing active time. Use Value: VLPS mode draws <1.5 µA while retaining SRAM and waking on ADC threshold or RTC alarm; FlexNVM stores calibration data across power cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MKE15Z256VLH7 | 64-pin LQFP, 58 GPIOs, 16+11 ADC channels, same core/peripherals - smaller footprint but reduced I/O and analog channel count. | Suitable for space-constrained designs where fewer sensors/actuators are needed, e.g., compact motor drivers or simple sensor nodes. | Select when board area is critical and full 89 GPIO/28 ADC channel capability is unnecessary. |
| MKE14Z256VLL7 | Same 100-pin LQFP package and memory, but lacks TSI module - identical core, timers, ADC, and communication peripherals. | Applicable where touch interface is not required, such as industrial PLC I/O modules or power supply controllers. | Choose when TSI functionality is excluded from system requirements and cost optimization is prioritized. |
Compared with MKE15Z256VLH7 and MKE14Z256VLL7, the MKE15Z256VLL7 uniquely combines maximum I/O count (89 GPIO), full analog resources (28 ADC channels + TSI), and 100-pin thermal/power delivery capability - making it the only variant qualified for thermally demanding, high-channel-count HMI and motor control applications.
Availability
MKE15Z256VLL7 is available at Aetrix Electronics and suitable for BLDC motor control, industrial HMI panels, automotive body electronics, and smart sensor nodes requiring stable component supply across extended temperature and long production lifecycles.
Supply support for MKE15Z256VLL7 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 applications - with over 30 years of MCU innovation and broad ecosystem support.
The Kinetis KE1xZ family, including MKE15Z256VLL7, was engineered for cost-sensitive, high-reliability motor control and human-machine interface applications - emphasizing analog integration, low-power operation, and functional safety readiness.
FAQ
What is the maximum operating frequency of the MKE15Z256VLL7?
The MKE15Z256VLL7 features an ARM Cortex-M0+ core rated for up to 72 MHz operation. This frequency is achievable using the 48–60 MHz FIRC clock source with appropriate SCG configuration and voltage supply ≥3.0 V. At 2.7 V, maximum frequency is derated to 48 MHz per electrical specifications in the datasheet Rev. 4.3.
Does the MKE15Z256VLL7 support EEPROM emulation?
Yes, the MKE15Z256VLL7 includes 32 KB of FlexNVM and 2 KB of FlexRAM specifically designed for EEPROM emulation. These memory blocks support atomic writes, wear leveling, and background erase - enabling reliable non-volatile parameter storage without external EEPROM chips. The MKE15Z256VLL7 SDK provides driver libraries for this functionality.
How many ADC channels does the MKE15Z256VLL7 support, and are they independent?
The MKE15Z256VLL7 integrates two independent 12-bit SAR ADC modules: ADC0 supports up to 16 single-ended inputs, and ADC1 supports up to 12 - totaling 28 channels. Each ADC has its own conversion registers, trigger sources (FTM, LPTMR, RTC, etc.), and calibration logic, allowing concurrent sampling and processing without resource contention.
Can the MKE15Z256VLL7 wake from VLPS mode using its touch sensing interface?
Yes, the MKE15Z256VLL7's TSI module is explicitly supported as a wake-up source from VLPS and Stop modes per Section 2.1.3 of the datasheet. It uses the SIRC or OSC32 clock source during low-power states and triggers AWIC to resume full operation within microseconds upon electrode capacitance change - critical for responsive HMI systems.
What debug interface does the MKE15Z256VLL7 use, and is SWD supported?
The MKE15Z256VLL7 uses Serial Wire Debug (SWD) as its primary debug interface, compliant with ARM CoreSight standards. SWD is implemented on dedicated pins (SWDCLK and SWDIO) and supports full run-control, register access, flash programming, and basic trace via Micro Trace Buffer (MTB). No JTAG support is provided on this device.
MKE15Z256VLL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- Kinetis KE1xZ
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- FlexIO, I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 89
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 28x12b SAR; D/A 1x8b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MKE15Z256VLL7 FAQ
1.How can I place an order for MKE15Z256VLL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for MKE15Z256VLL7 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 MKE15Z256VLL7 reliable?
The price and inventory of MKE15Z256VLL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKE15Z256VLL7 is usually 5 days.
3.What payment methods are accepted for MKE15Z256VLL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKE15Z256VLL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKE15Z256VLL7?
MKE15Z256VLL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKE15Z256VLL7 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 MKE15Z256VLL7?
For technical support, including MKE15Z256VLL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKE15Z256VLL7 requirements.
6.How does Aetrix verify that MKE15Z256VLL7 is sourced from the original manufacturer or authorized distributors?
All MKE15Z256VLL7 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 MKE15Z256VLL7 meets industry standards.
7.What is the process for return or replacement of MKE15Z256VLL7?
All MKE15Z256VLL7 units undergo pre-shipment inspection (PSI). If there is an issue with MKE15Z256VLL7, 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 MKE15Z256VLL7 part is unused and in its original packaging.
Return procedure for MKE15Z256VLL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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