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NXP Semiconductors MKE12Z256VLH7
- Part No.:
- MKE12Z256VLH7
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MKE12Z256VLH7.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:800
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Product details
Overview
MKE12Z256VLH7 from NXP Semiconductors is an ARM® Cortex®-M0+ microcontroller operating up to 72 MHz, featuring 256 KB flash, 48 KB SRAM, and a 12-bit 1 Msps ADC - deployed in industrial motor control, HMI sensing, and low-power embedded systems requiring deterministic real-time response.
For engineers reviewing the MKE12Z256VLH7 datasheet, MKE12Z256VLH7 pinout, MKE12Z256VLH7 application, or MKE12Z256VLH7 equivalent, key selection criteria include its 64-pin LQFP package, dual LPUART/LPSPI/LPI2C interfaces with DMA support, VLPS-mode wake-up capability via CMP/ADC/LPTMR, and integrated TSI for touch interface design.
Technical Context
The MKE12Z256VLH7 implements a single-core ARM Cortex-M0+ executing Thumb-2 instructions at up to 72 MHz, with configurable NVIC supporting 32 interrupt vectors and 4 priority levels. Its SCG clock system integrates FIRC (48 MHz ±1%), SIRC (8/2 MHz ±3%), LPO (128 kHz), LPFLL, and external crystal inputs (4–40 MHz or 32–40 kHz).
Power management is handled by PMC with six operational modes: Run, Wait, Stop, VLPR, VLPW, and VLPS - enabling selective peripheral retention (e.g., CMP, ADC, LPTMR, LPUART active in VLPS) and AWIC-assisted wake-up. The device supports full debug visibility via Serial Wire Debug (SWD), DWT, and MTB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, up to 72 MHz - delivers deterministic real-time execution with Thumb-2 ISA compatibility and low gate count for cost-sensitive applications. |
| Memory | 256 KB flash / 48 KB SRAM - enables standalone firmware deployment with ample buffer space for communication stacks and sensor fusion algorithms. |
| ADC | 12-bit SAR, 1 Msps, 16 channels - supports high-speed current/voltage sampling in BLDC motor control with hardware-triggered conversions from FTM or LPTMR. |
| Timers | 3× FTM (8-channel PWM), 1× LPIT (4-channel), 1× LPTMR - provides precise motor phase timing, periodic wake-up, and pulse counting across all power modes. |
| Interfaces | 3× LPUART, 1× LPSPI, 1× LPI2C, FlexIO - enables concurrent low-power serial connectivity to sensors, displays, and host controllers without CPU intervention via DMA. |
| Power Modes | VLPS, VLPW, Stop, Wait, VLPR, Run - allows sub-μA sleep current with configurable peripheral retention (e.g., ADC/CMP active in VLPS for event-driven sensing). |
| Operating Range | 2.7–5.5 V supply, –40 to 105 °C - suitable for industrial environments with wide input voltage tolerance and extended temperature reliability. |
Pinout & Package
64-pin LQFP (VLH7), 10 mm × 10 mm × 1.4 mm, 0.5 mm pitch - compatible with standard PCB assembly processes and offers 58 GPIOs (including 8 high-drive pins), 16 ADC inputs, and dedicated SWD debug pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Primary core/peripheral power rails; decoupling required per NXP layout guidelines for stable 72 MHz operation. |
| SWD_CLK, SWD_DIO | Debug interface | Two-pin Serial Wire Debug port - enables full run-control, memory access, and trace without dedicated JTAG pins. |
| ADC0_SE0–ADC0_SE15 | Analog inputs | 16 single-ended ADC channel inputs - routed to internal 12-bit SAR converter with programmable sample time and hardware trigger support. |
| LPUART0_RX/TX | Asynchronous serial I/O | Dedicated UART0 receive/transmit pins - operate down to VLPS mode with SIRC/OSC clock source for always-on communication. |
| FTM0_CH0–CH7 | PWM output | Eight flexible timer channels - support complementary PWM with dead-time insertion for 3-phase motor gate drive. |
| TSI0_CH0–TSI0_CH24 | Touch sense inputs | 25-channel capacitive touch interface - not present on MKE12Z256VLH7 per ordering table; this variant omits TSI module. |
Key Features
| Feature | Design Value |
|---|---|
| Low-power analog comparators | 1× CMP with integrated 8-bit DAC - enables rail-to-rail voltage monitoring and windowed threshold detection with autonomous wake-up from VLPS mode. |
| Hardware CRC engine | 16/32-bit programmable CRC generator - accelerates firmware integrity checks and communication packet validation without CPU overhead. |
| DMA with DMAMUX | 8-channel eDMA + 63-source multiplexer - offloads data movement for ADC, UART, SPI, and I²C transfers, reducing CPU load and power consumption. |
| Flexible clocking | FIRC/SIRC/LPO/LPFLL + SCG - allows dynamic clock source switching and fine-grained peripheral clock gating to minimize active power in mixed-workload applications. |
| Robust reset architecture | POR, LVD, WDOG, LOC/LOL, software, and debug resets - ensures reliable recovery from brown-out, clock failure, and software hang conditions in safety-critical systems. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop control of brushless DC motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Real-time PWM generation, current sensing via ADC, and fault monitoring using CMP and WDOG. Use Value: FTM dead-time insertion and hardware-triggered ADC sampling enable precise commutation timing with <1 μs jitter, improving efficiency and acoustic noise. |
Use Scenario: Battery-powered environmental sensor hub aggregating temperature, humidity, and pressure data. IC Role / Device Role / Timing Role: Low-power data acquisition coordinator with scheduled wake-up via LPIT and sensor interface via LPI2C/LPUART. Use Value: VLPS mode with active ADC/CMP/LPUART reduces average current to <10 μA while maintaining responsive event detection and wireless upload readiness. |
| Human-Machine Interface | Programmable Logic Controller I/O Module |
Use Scenario: Keypad and LED status panel in industrial control panels with ESD-hardened front-end. IC Role / Device Role / Timing Role: GPIO-managed button scanning and LED dimming via FTM PWM, with interrupt-driven responsiveness. Use Value: 58 GPIOs with configurable pull-ups/downs and high-drive capability simplify direct connection to mechanical switches and LEDs - eliminating external drivers. |
Use Scenario: DIN-rail mounted digital I/O expansion module for PLC backplanes. IC Role / Device Role / Timing Role: Isolated field-side signal conditioning and protocol translation between Modbus RTU and local peripherals. Use Value: Three independent LPUARTs support simultaneous RS-485 master/slave communication, while CRC and WDOG ensure data integrity and fail-safe watchdog supervision. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MKE13Z256VLH7 | Includes 22-channel TSI module; otherwise identical flash/SRAM/peripherals; same 64-LQFP package. | Required for capacitive touch HMI designs; unnecessary if only GPIO/ADC-based interface is needed. | Select MKE13Z256VLH7 only when TSI functionality is essential - adds no BOM cost but increases firmware complexity. |
| MKE17Z256VLH7 | Same core/peripherals but adds 47-channel TSI and higher GPIO count (58 vs 58 - identical count, but different pin mapping); same package. | Supports larger touch matrices and more complex HMI layouts; TSI performance marginally higher due to enhanced analog front-end. | MKE17Z256VLH7 is over-specified for non-touch applications; MKE12Z256VLH7 offers optimal cost/performance balance where TSI is unused. |
Compared with MKE13Z256VLH7 and MKE17Z256VLH7, the MKE12Z256VLH7 delivers identical compute, memory, and communication capabilities without TSI - reducing firmware validation scope and simplifying layout for non-touch industrial control applications.
Availability
MKE12Z256VLH7 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and programmable logic controller I/O modules requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature operation.
Supply support for MKE12Z256VLH7 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 deep expertise in ARM-based microcontrollers and edge processing.
The Kinetis KE1xZ family - including MKE12Z256VLH7 - was designed for cost-sensitive, low-power industrial control applications demanding robust analog integration, deterministic real-time performance, and extended temperature reliability.
FAQ
What is the maximum operating frequency of the MKE12Z256VLH7?
The MKE12Z256VLH7 features an ARM Cortex-M0+ core rated for up to 72 MHz operation. This maximum frequency is achievable using the 48 MHz FIRC clock source with PLL multiplication or directly from a 72 MHz external oscillator, subject to voltage and temperature conditions specified in the electrical characteristics table.
Does the MKE12Z256VLH7 include a touch sensing interface (TSI)?
No, the MKE12Z256VLH7 does not include a TSI module. Per the official NXP ordering information table, TSI channel counts are explicitly listed as "–" for all MKE12Z variants, distinguishing them from MKE13Z and MKE17Z series which offer 22–50 TSI channels. This omission reduces silicon area and simplifies firmware for non-touch applications.
Which low-power modes support ADC conversion on the MKE12Z256VLH7?
The MKE12Z256VLH7 supports ADC operation in VLPS, Stop, and VLPW modes when clocked by SIRC or OSC. In VLPS mode, the ADC remains functional with hardware triggers (e.g., from LPTMR or FTM), enabling event-driven sampling without waking the core - critical for battery-operated sensor nodes.
How many UART interfaces does the MKE12Z256VLH7 provide, and are they low-power capable?
The MKE12Z256VLH7 integrates three independent LPUART modules, all fully operational in VLPS and Stop modes. Each supports programmable baud rates, 4×–32× oversampling, and DMA-triggered RX/TX - allowing continuous background communication during ultra-low-power states without CPU involvement.
What debug interface is supported by the MKE12Z256VLH7?
The MKE12Z256VLH7 supports Serial Wire Debug (SWD) exclusively - a 2-pin interface (SWD_CLK and SWD_DIO) providing full run-control, memory access, breakpoint setting, and trace via Micro Trace Buffer (MTB). No JTAG support is implemented, reducing pin count and PCB routing complexity.
MKE12Z256VLH7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-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:
- 58
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b SAR; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MKE12Z256VLH7 FAQ
1.How can I place an order for MKE12Z256VLH7 through Aetrix?
Please submit a Request for Quotation (RFQ) for MKE12Z256VLH7 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 MKE12Z256VLH7 reliable?
The price and inventory of MKE12Z256VLH7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKE12Z256VLH7 is usually 5 days.
3.What payment methods are accepted for MKE12Z256VLH7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKE12Z256VLH7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKE12Z256VLH7?
MKE12Z256VLH7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKE12Z256VLH7 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 MKE12Z256VLH7?
For technical support, including MKE12Z256VLH7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKE12Z256VLH7 requirements.
6.How does Aetrix verify that MKE12Z256VLH7 is sourced from the original manufacturer or authorized distributors?
All MKE12Z256VLH7 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 MKE12Z256VLH7 meets industry standards.
7.What is the process for return or replacement of MKE12Z256VLH7?
All MKE12Z256VLH7 units undergo pre-shipment inspection (PSI). If there is an issue with MKE12Z256VLH7, 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 MKE12Z256VLH7 part is unused and in its original packaging.
Return procedure for MKE12Z256VLH7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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