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NXP Semiconductors MKE15Z32VFP4
- Part No.:
- MKE15Z32VFP4
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MKE15Z32VFP4.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 40HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:490
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Product details
Overview
MKE15Z32VFP4 from NXP Semiconductors is a 40-pin QFN-packaged Arm® Cortex®-M0+ microcontroller operating at up to 48 MHz, featuring 32 KB flash, 4 KB SRAM, 12-bit ADC with 11 input channels, Touch Sense Interface (TSI), and three LPUARTs - deployed in industrial control panels and home appliance touch UIs requiring robust low-power operation and analog sensing.
For engineers reviewing the MKE15Z32VFP4 datasheet, MKE15Z32VFP4 pinout, MKE15Z32VFP4 application, or MKE15Z32VFP4 equivalent, key selection criteria include its 40-QFN footprint, absence of CAN interface, TSI support for capacitive touch, 11-channel ADC capability, and VLPS/Stop-mode wake-up via LPTMR, RTC, CMP, and GPIO - critical for battery-powered HMI designs.
Technical Context
The MKE15Z32VFP4 implements an Arm Cortex-M0+ core compliant with ARMv6-M and Thumb-2 ISA, paired with a configurable NVIC supporting 32 interrupt vectors and 4 priority levels. Its system clock generator (SCG) selects among FIRC (48 MHz ±1%), SIRC (8/2 MHz ±3%), LPO (128 kHz), and external crystal sources, enabling precise power-performance trade-offs across Run, VLPR, Wait, VLPW, Stop, and VLPS modes.
Peripheral integration includes one 12-bit SAR ADC (1 Msps, 11 channels), one high-speed comparator with integrated 8-bit DAC, two FlexTimers (6+2 PWM channels), LPIT (2 channels), LPTMR, PDB, RTC, CRC, and three low-power serial interfaces (LPUART/LPSPI/LPI2C). The TSI module supports up to 25 touch channels and operates in VLPS mode with asynchronous wake-up capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, up to 48 MHz - enables real-time deterministic control with minimal power overhead in compact embedded systems. |
| Memory | 32 KB flash / 4 KB SRAM - sufficient for firmware with touch stack, sensor processing, and communication protocol stacks without external memory. |
| ADC | 12-bit SAR, 11 channels, 1 Msps - supports simultaneous sampling of multiple analog sensors (e.g., temperature, voltage, current) with hardware-triggered conversions. |
| TSI | Capacitive touch sense interface, up to 25 channels - enables robust, low-noise button/slider detection in noisy industrial environments with automatic calibration. |
| Low-Power Modes | VLPS, Stop, VLPW, VLPR - achieves sub-μA retention current while maintaining RTC, LPTMR, CMP, and GPIO wake-up sources for extended battery life. |
| Communication | 3× LPUART, 1× LPSPI, 1× LPI2C - provides flexible, low-energy connectivity to displays, sensors, and host controllers without CAN bus. |
| Package | 40-pin QFN, 5×5×0.85 mm, 0.4 mm pitch - enables compact PCB layout for space-constrained HMI modules with thermal pad for enhanced dissipation. |
Pinout & Package
40-pin QFN (FP) package, 5×5×0.85 mm body, 0.4 mm pitch, exposed thermal pad - optimized for thermal performance and automated assembly in consumer and industrial HMI applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Primary 2.7–5.5 V supply rails; VSS pins include dedicated analog ground connections for ADC/TSI noise isolation. |
| PTA0–PTA31, PTB0–PTB12, PTC0–PTC11 | GPIO with interrupt and TSI capability | Up to 36 GPIOs support edge-triggered interrupts and TSI electrode inputs; 6 pins offer high-drive capability (20 mA) for direct LED/segment driving. |
| ADC0_SE0–ADC0_SE10 | Analog input channels | 11 dedicated single-ended ADC inputs mapped to port pins; share multiplexing with GPIO/TSI functions - requires careful pin assignment during layout. |
| TSI0_CH0–TSI0_CH24 | Touch sense electrodes | TSI channels assigned to specific port pins; each supports self- or mutual-capacitance measurement with programmable sensitivity and noise filtering. |
| LPUART0_TX/LPUART0_RX | Asynchronous serial interface | Dedicated UART pins with FIFO support and low-power wake-on-start-bit detection - essential for always-on sensor hub communication. |
| RTC_CLKIN, RTC_OUT | Real-time clock interface | Supports external 32.768 kHz crystal or internal LPO; RTC remains active in VLPS/Stop modes with alarm and tick output for timekeeping. |
Key Features
| Feature | Design Value |
|---|---|
| Touch Sense Interface (TSI) | 25-channel capacitive sensing with automatic calibration, noise immunity tuning, and VLPS-mode operation - eliminates need for external touch controller in cost-sensitive appliances. |
| Low-Power Timer Suite | LPTMR, LPIT (2 ch), PDB, and RTC all retain functionality in VLPS/Stop - enables precise timing, periodic wake-up, and synchronized ADC sampling without CPU intervention. |
| Integrated Analog Peripherals | 12-bit ADC (11 ch, 1 Msps), 1× comparator with 8-bit DAC, and on-die temperature sensor - supports closed-loop control and environmental monitoring with no external signal conditioning. |
| Flexible Clock System | FIRC (48 MHz ±1%), SIRC (8/2 MHz ±3%), LPO (128 kHz), and SCG-based clock gating - allows dynamic switching between accuracy and ultra-low-power modes per subsystem requirement. |
| Security & Reliability | CRC module (16/32-bit), 128-bit unique ID, WDOG/EWM watchdogs, clock loss detection, and flash protection - meets IEC 60730 Class B requirements for household appliance control. |
Applications
| Home Appliance Touch Panel | Industrial HMI Keypad |
|---|---|
Use Scenario: Capacitive touch buttons and sliders on washing machine control panel operating in humid, EMI-rich environments with battery backup during mains failure. IC Role / Device Role / Timing Role: Primary MCU executing touch scan, LED feedback, motor control sequencing, and LPUART communication to main controller - manages real-time touch response (<100 ms) and low-power sleep between interactions. Use Value: TSI's built-in noise rejection and VLPS wake-up reduce false triggers and extend backup battery life beyond 72 hours without compromising responsiveness. |
Use Scenario: Ruggedized pushbutton replacement on factory floor operator interface with metal enclosure, requiring ESD-hardened inputs and reliable wake-from-sleep on button press. IC Role / Device Role / Timing Role: Standalone HMI controller handling GPIO debouncing, LED status indication, and LPI2C communication to PLC - maintains RTC timekeeping and alarm logging during brownout events. Use Value: 36 GPIOs with interrupt capability and high-drive outputs eliminate external level shifters; LPO-backed RTC ensures accurate timestamping even during extended power loss. |
| Smart Thermostat Sensor Node | Portable Medical Device UI |
Use Scenario: Battery-powered wall-mounted thermostat collecting ambient temperature, humidity, and occupancy data via analog sensors and IR proximity detection. IC Role / Device Role / Timing Role: Sensor fusion MCU performing ADC sampling, TSI-based user interaction, and LPSPI communication to wireless transceiver - cycles between VLPS (2.1 µA) and Run modes based on schedule and event triggers. Use Value: Integrated 12-bit ADC and temperature sensor enable <±0.5°C accuracy without calibration parts; LPFLL and SIRC allow fast wake-up from deep sleep with stable clock for sensor reads. |
Use Scenario: Handheld glucose meter with capacitive touch interface, LCD backlight control, and USB charging supervision - must meet medical EMC standards and operate >100 hours on single Li-ion cell. IC Role / Device Role / Timing Role: Main application processor managing touch UI, analog front-end (glucose strip ADC), and power path control - uses CRC for firmware integrity and WDOG for fail-safe shutdown. Use Value: 4 KB SRAM accommodates secure boot loader and encrypted parameter storage; 2.7–5.5 V operating range supports direct Li-ion (3.0–4.2 V) operation without buck-boost regulator. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MKE15Z32VLF4 | 48-pin LQFP package, 42 GPIOs, same core/peripherals but larger footprint and higher pin count - no CAN support retained. | Suitable for prototyping or designs requiring more GPIOs or easier hand-soldering; incompatible pinout prevents drop-in replacement. | Select when board space allows larger package and additional I/O is needed for future expansion or debug headers. |
| MKE14Z32VFP4 | Same 40-QFN package and memory, but lacks TSI module and has only 10 ADC channels - identical power/performance envelope otherwise. | Applicable where touch interface is unnecessary and cost reduction is prioritized over HMI flexibility. | Choose when capacitive touch is not required and BOM cost optimization is critical; verify ADC channel mapping matches design. |
Compared with MKE15Z32VFP4, MKE15Z32VLF4 offers greater I/O headroom in LQFP but increases PCB area and thermal resistance, while MKE14Z32VFP4 removes TSI to lower unit cost - making MKE15Z32VFP4 the optimal balance of touch capability, compactness, and industrial-grade peripheral set.
Availability
MKE15Z32VFP4 is available at Aetrix Electronics and suitable for home appliance control panels, industrial HMI keypads, and smart thermostat sensor nodes requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.
Supply support for MKE15Z32VFP4 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 40 years of microcontroller innovation and ISO 9001/TS 16949 certified manufacturing.
The Kinetis KE1xZ family targets cost-sensitive, low-power industrial and appliance control applications - designed specifically for robust touch interfaces, analog sensing, and reliable operation across –40 to 105 °C ambient conditions.
FAQ
Does MKE15Z32VFP4 support CAN bus communication?
No, MKE15Z32VFP4 does not include a CAN module. It belongs to the KE15Z subfamily, which omits the MSCAN peripheral present in KE16Z variants like MKE16Z32VFP4. For CAN-enabled designs, engineers must select a KE16Z or KE14Z part with CAN support - the MKE15Z32VFP4 pinout and firmware are not compatible with CAN-based protocols.
What is the maximum ADC sampling rate achievable on MKE15Z32VFP4?
The MKE15Z32VFP4 supports up to 1 Msps (mega-samples per second) for its 12-bit SAR ADC under optimal conditions: using FIRC clock source, 12-bit resolution, and single-ended mode with minimal sample time. Actual throughput depends on configuration - e.g., 10-bit mode yields higher effective rate, while hardware averaging or longer sample times reduce it.
Can MKE15Z32VFP4 operate reliably at 105 °C ambient temperature?
Yes, MKE15Z32VFP4 is rated for operation across –40 to 105 °C ambient temperature, validated per NXP's electrical specifications in the KE1xZP48M48SF0 datasheet Rev. 3. This includes full functionality of ADC, TSI, LPUART, and low-power modes at maximum junction temperature, provided PCB thermal design maintains θJA ≤ 45 °C/W.
How many touch channels does the TSI module support on MKE15Z32VFP4?
The TSI module on MKE15Z32VFP4 supports up to 25 touch channels, mapped to specific GPIO pins as defined in the KE1xZP48M48SF0 Reference Manual. All 25 channels are accessible in the 40-QFN package, though physical pin count limits concurrent electrode usage - practical implementations typically use 8–16 electrodes depending on layout and noise constraints.
Is there hardware support for flash programming security on MKE15Z32VFP4?
Yes, MKE15Z32VFP4 includes flash security features controlled via the Flash Configuration Field (FCFG) at address 0x40E. Enabling security disables SWD debug access to flash and RAM contents, and requires mass erase to re-enable programming - meeting IEC 60730 Class B requirements for protected firmware storage in safety-critical appliances.
MKE15Z32VFP4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 40-VFQFN Exposed Pad
- Series:
- Kinetis KE1xZ
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 36
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x12b SAR; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MKE15Z32VFP4 FAQ
1.How can I place an order for MKE15Z32VFP4 through Aetrix?
Please submit a Request for Quotation (RFQ) for MKE15Z32VFP4 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 MKE15Z32VFP4 reliable?
The price and inventory of MKE15Z32VFP4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKE15Z32VFP4 is usually 5 days.
3.What payment methods are accepted for MKE15Z32VFP4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKE15Z32VFP4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKE15Z32VFP4?
MKE15Z32VFP4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKE15Z32VFP4 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 MKE15Z32VFP4?
For technical support, including MKE15Z32VFP4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKE15Z32VFP4 requirements.
6.How does Aetrix verify that MKE15Z32VFP4 is sourced from the original manufacturer or authorized distributors?
All MKE15Z32VFP4 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 MKE15Z32VFP4 meets industry standards.
7.What is the process for return or replacement of MKE15Z32VFP4?
All MKE15Z32VFP4 units undergo pre-shipment inspection (PSI). If there is an issue with MKE15Z32VFP4, 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 MKE15Z32VFP4 part is unused and in its original packaging.
Return procedure for MKE15Z32VFP4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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