MKE15Z256VLH7 - 72MHz Cortex-M0+ MCU 256KB Flash | NXP
MPN： MKE15Z256VLH7 ✓ 啟用中MKE15Z256VLH7 概覽
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), working memory (RAM), and integrated peripherals such as timers, ADCs, and communication interfaces. Within the broader semiconductor taxonomy, the MKE15Z256VLH7 sits under: microcontroller -> 32-bit MCU -> ARM Cortex-M0+ MCU -> low-power main-stream MCU -> embedded system-on-chip. Kinetis KE1xZ devices target cost-sensitive industrial and consumer applications where Cortex-M0+ efficiency, low power, and 5 V tolerance are simultaneously required.
Key features of the MKE15Z256VLH7 include a 12-bit SAR ADC with up to 16 channels, multiple high-resolution FlexTimers, an integrated touch-sensing interface (TSI), and a flexible serial communication set including UART, SPI, and I2C. The on-chip 32 KB FlexMemory supports EEPROM emulation and customer-configurable data-flash partitioning. The 64-pin LQFP package exposes a rich peripheral set while maintaining a compact 10x10 mm footprint suitable for hand-soldered prototypes and high-volume reflow assembly.
Architecturally, the KE1xZ family combines an ARM Cortex-M0+ core with a low-power platform featuring multiple run, wait, and stop modes. The 5 V-tolerant I/O ring enables direct interface to legacy 5 V analog and digital signals without level shifters. Hardware CRC, a random-number generator, and flash access control provide basic security features. The integrated TSI module supports robust proximity and touch-button interfaces without external components.
Typical applications include industrial control and HMI, home appliances with user interfaces, low-end motor control, smart lighting, IoT edge nodes, and battery-powered sensors. The wide 3.3 V to 5.5 V supply range and integrated touch sensing make it especially attractive for appliance front panels, climate-control thermostats, and white-goods control boards.
When designing with this part, place 0.1 µF decoupling capacitors close to each VDD pin and follow the reference manual's analog and digital grounding recommendations to maximize ADC performance. Use NXP's MCUXpresso IDE and the Kinetis KE1xZ SDK for software development, and consider the MKE15Z256VLL7 LQFP-100 sibling if additional GPIO is needed.
This page synthesizes distributor pricing, drop-in alternative MPNs from the same Kinetis KE1xZ family, application notes, and design considerations not consolidated in the manufacturer datasheet, giving engineers a faster engineering and sourcing reference.
直接替換替代品，適用於 MKE15Z256VLH7 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MKE15Z256VLH7 （相同外形與佔位） — 差異在於 Package, RoHS Status, Core Architecture, Operating Temperature Range.
MKE14Z256VLH7
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MKE16Z256VLH7
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MKE15Z128VLH7
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MKE15Z256VLH7 最大額定值與電氣特性
| Core | ARM Cortex-M0+ |
| Core Architecture | ARM 32-bit |
| Maximum CPU Frequency | 72 MHz |
| Performance | 0.93 DMIPS/MHz |
| Program Flash | 256 KB (256K x 8) |
| SRAM | 32 KB |
| FlexMemory (EEPROM emulation) | 32 KB |
| 供應電壓 | 3.3 V to 5.5 V |
| 工作溫度範圍 | -40 C to +105 C |
| 封裝 | 64-LQFP (10x10 mm, 0.5 mm pitch) |
| 安裝類型 | Surface Mount |
| ADC | 12-bit SAR ADC, up to 16 channels |
| Touch Sensing Interface (TSI) | Yes |
| Communication Interfaces | UART, SPI, I2C |
| Timers | FlexTimer (PWM), periodic interrupt, low-power timer |
| Security / CRC | Hardware CRC, Flash access control |
| RoHS 狀態 | Compliant |
MKE15Z256VLH7 腳位配置
| 腳位 1 | PTC0 — GPIO / peripheral pin (per Kinetis KE1xZ datasheet pinout) |
| 腳位 2 | PTC1 — GPIO / peripheral pin |
| 腳位 3 | PTC2 — GPIO / peripheral pin |
| 腳位 4 | PTC3 — GPIO / peripheral pin |
| 腳位 5 | PTC4 — GPIO / peripheral pin |
| 腳位 6 | PTC5 — GPIO / peripheral pin |
| 腳位 7 | PTC6 — GPIO / peripheral pin |
| 腳位 8 | PTC7 — GPIO / peripheral pin |
| 腳位 9 | PTB0 — GPIO / peripheral pin |
| 腳位 10 | PTB1 — GPIO / peripheral pin |
| 腳位 11 | PTB2 — GPIO / peripheral pin |
| 腳位 12 | PTB3 — GPIO / peripheral pin |
| 腳位 13 | PTB4 — GPIO / peripheral pin |
| 腳位 14 | PTB5 — GPIO / peripheral pin |
| 腳位 15 | VSS — Ground |
| 腳位 16 | VDD — Supply voltage (3.3 V to 5.5 V) |
| 腳位 17 | PTA0 — GPIO / peripheral pin |
| 腳位 18 | PTA1 — GPIO / peripheral pin |
| 腳位 19 | PTA2 — GPIO / peripheral pin |
| 腳位 20 | PTA3 — GPIO / peripheral pin |
| 腳位 21 | PTA4 — GPIO / peripheral pin |
| 腳位 22 | PTA5 — GPIO / peripheral pin |
| 腳位 23 | PTA6 — GPIO / peripheral pin |
| 腳位 24 | PTA7 — GPIO / peripheral pin |
| 腳位 25 | PTD0 — GPIO / peripheral pin |
| 腳位 26 | PTD1 — GPIO / peripheral pin |
| 腳位 27 | PTD2 — GPIO / peripheral pin |
| 腳位 28 | PTD3 — GPIO / peripheral pin |
| 腳位 29 | PTD4 — GPIO / peripheral pin |
| 腳位 30 | PTD5 — GPIO / peripheral pin |
| 腳位 31 | PTD6 — GPIO / peripheral pin |
| 腳位 32 | PTD7 — GPIO / peripheral pin |
| 腳位 33 | PTE0 — GPIO / peripheral pin |
| 腳位 34 | PTE1 — GPIO / peripheral pin |
| 腳位 35 | PTE2 — GPIO / peripheral pin |
| 腳位 36 | PTE3 — GPIO / peripheral pin |
| 腳位 37 | PTE4 — GPIO / peripheral pin |
| 腳位 38 | PTE5 — GPIO / peripheral pin |
| 腳位 39 | PTE6 — GPIO / peripheral pin |
| 腳位 40 | PTE7 — GPIO / peripheral pin |
| 腳位 41 | PTF0 — GPIO / peripheral pin |
| 腳位 42 | PTF1 — GPIO / peripheral pin |
| 腳位 43 | PTF2 — GPIO / peripheral pin |
| 腳位 44 | PTF3 — GPIO / peripheral pin |
| 腳位 45 | PTF4 — GPIO / peripheral pin |
| 腳位 46 | PTF5 — GPIO / peripheral pin |
| 腳位 47 | PTF6 — GPIO / peripheral pin |
| 腳位 48 | PTF7 — GPIO / peripheral pin |
| 腳位 49 | PTG0 — GPIO / peripheral pin |
| 腳位 50 | PTG1 — GPIO / peripheral pin |
| 腳位 51 | PTG2 — GPIO / peripheral pin |
| 腳位 52 | PTG3 — GPIO / peripheral pin |
| 腳位 53 | PTG4 — GPIO / peripheral pin |
| 腳位 54 | PTG5 — GPIO / peripheral pin |
| 腳位 55 | PTG6 — GPIO / peripheral pin |
| 腳位 56 | PTG7 — GPIO / peripheral pin |
| 腳位 57 | PTH0 — GPIO / peripheral pin |
| 腳位 58 | PTH1 — GPIO / peripheral pin |
| 腳位 59 | PTH2 — GPIO / peripheral pin |
| 腳位 60 | PTH3 — GPIO / peripheral pin |
| 腳位 61 | PTH4 — GPIO / peripheral pin |
| 腳位 62 | PTH5 — GPIO / peripheral pin |
| 腳位 63 | PTH6 — GPIO / peripheral pin |
| 腳位 64 | PTH7 — GPIO / peripheral pin |
典型應用
MKE15Z256VLH7 適用於 6 應用s: Industrial HMI and Control Panels, Home Appliance Control Boards, Smart Lighting and LED Drivers, Low-End BLDC and PMSM Motor Control, IoT Edge Nodes and Battery Sensors, Building Automation and HVAC.
Industrial HMI and Control Panels
The MKE15Z256VLH7 fits industrial HMI panels by combining its 256 KB Flash for full-color UI flows, integrated touch-sensing interface (TSI) for buttons and sliders without external components, and 3.3 V to 5.5 V supply for direct compatibility with legacy 5 V industrial backplanes. The 72 MHz Cortex-M0+ core executes state-machine control loops in microseconds, while 32 KB SRAM holds display buffers and protocol stacks. ADC and FlexTimer peripherals handle analog sensor reads and PWM-driven indicator LEDs. The 64-LQFP package gives enough GPIO for key-matrix scanning and rotary encoders in a single chip. Compared to discrete MCU+external-touch-IC solutions, the integrated TSI lowers PCB area and BOM cost.
推薦
Home Appliance Control Boards
The MKE15Z256VLH7 suits home-appliance control (washing machines, dishwashers, ovens) because of its wide 3.3 V to 5.5 V supply range and 5 V-tolerant GPIO, which directly interface to legacy triac-driver and relay circuits without external level shifters. The 256 KB Flash holds motor-control state machines and fault-handling firmware; the 32 KB SRAM buffers sensor telemetry. Integrated 12-bit ADC reads temperature, pressure, and current-sensing signals, while FlexTimer outputs drive triac phase-control or brushed DC motor PWM. The -40 C to +105 C industrial temperature range covers under-cabinet heat rise. Compared to discrete analog control, this part enables software-defined safety features and OTA firmware updates.
推薦
Smart Lighting and LED Drivers
The MKE15Z256VLH7 drives commercial and residential LED lighting fixtures with its FlexTimer peripherals providing multi-channel PWM for color-mixing and dimming, while the 12-bit ADC reads ambient-light and occupancy sensors. The 256 KB Flash holds DMX, DALI, or proprietary wireless lighting protocols, and 32 KB SRAM buffers frame data. Wide 3.3 V to 5.5 V supply supports direct connection to constant-current driver stages. The 64-LQFP footprint keeps driver PCBs compact, while 5 V GPIO tolerates long cable runs to sensor and switch peripherals. Compared to dedicated LED-driver ICs, the MKE15Z256VLH7 enables networked, software-upgradable lighting without a separate communication MCU.
推薦
Low-End BLDC and PMSM Motor Control
The MKE15Z256VLH7 handles low-end sensorless BLDC and PMSM motor control in fans, pumps, and small appliances using its FlexTimer PWM outputs (one timer per phase for center-aligned complementary PWM) and the 12-bit ADC for back-EMF sensing. The Cortex-M0+ at 72 MHz runs a basic 6-step or simple-FOC algorithm in software, while the 256 KB Flash stores tuning tables and the 32 KB SRAM holds runtime state. The 64-LQFP package exposes enough GPIO for three half-bridges, fault inputs, and tachometer feedback. The wide 3.3 V to 5.5 V supply directly interfaces to 5 V gate-driver ICs, removing external level shifters. Compared to discrete analog motor controllers, this part enables software-tunable acceleration profiles and silent-switch commutation.
推薦
IoT Edge Nodes and Battery Sensors
The MKE15Z256VLH7 fits battery-powered IoT edge nodes because its ARM Cortex-M0+ core combines low active power with multiple low-power stop and wait modes, while the integrated ADC and TSI wake the MCU from touch or sensor events. The 256 KB Flash holds connectivity stacks and edge-processing firmware, and 32 KB SRAM buffers sensor samples before uplink. The 3.3 V to 5.5 V supply allows direct use with single-cell Li-ion plus boost or with 5 V USB-mains adapters. The 64-LQFP footprint fits inside small sensor enclosures, and 5 V-tolerant GPIO interfaces legacy industrial sensors. Compared to high-performance Cortex-M4 parts, the MKE15Z256VLH7 extends battery life by trading raw performance for energy efficiency.
推薦
Building Automation and HVAC
The MKE15Z256VLH7 serves building-automation controllers (thermostats, VAV boxes, fan-coil units) thanks to its 3.3 V to 5.5 V supply for direct 5 V bus power, 256 KB Flash for BACnet/Modbus stacks, and -40 C to +105 C industrial temperature rating for plenum installation. The 12-bit ADC reads temperature, humidity, and pressure transducers with adequate resolution, while UART and SPI drive transceiver or sensor-front-end ICs. The 64-LQFP package provides GPIO for triac outputs, keypad input, and LCD interface, fitting on the small main board of a typical thermostat. Compared to discrete analog HVAC controllers, this part enables remote firmware updates and connected-building features without a separate communication processor.
推薦
推薦產品摘要
工程參考資料，適用於 MKE15Z256VLH7 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MKE14Z256VLH7 | MKE16Z256VLH7 | MKE15Z128VLH7 | MKE15Z256VLL7 |
|---|---|---|---|---|---|
| Brand | — | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (VLH) | 64-LQFP (VLH) | 64-LQFP (VLH) | 64-LQFP (VLH) | 100-LQFP (VLL) |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Flash | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Supply Voltage | 3.3 V to 5.5 V | 3.3 V to 5.5 V | 3.3 V to 5.5 V | 3.3 V to 5.5 V | 3.3 V to 5.5 V |
| Touch Sensing Interface (TSI) | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- Integrated touch-sensing interface (TSI) without external components (對比MKE14Z256VLH7)
- 256 KB Flash matches higher-end KE16Z while keeping the 64-LQFP footprint (對比MKE15Z128VLH7)
- 5 V-tolerant GPIO with 3.3 V to 5.5 V supply (對比Cortex-M0+ parts from other vendors without 5 V GPIO)
設計說明
Place a 0.1 µF ceramic decoupling capacitor as close as possible to every VDD pin and a single bulk 4.7 µF to 10 µF capacitor near the package to handle switching transients, per the NXP Kinetis KE1xZ hardware design recommendations. Keep the VDD trace short and wide to minimize inductance; use a ground plane on the top or second layer directly beneath the IC. For low-noise ADC performance, separate analog VDD (VDDA) from digital VDD with a ferrite bead and add a dedicated 0.1 µF + 10 µF cap pair on VDDA.
The 64-LQFP (VLH) package has a 0.5 mm pitch; route escape traces on inner layers with 0.2 mm trace width and via-in-pad only if the assembly house supports it, otherwise use dog-bone fanouts. Provide a continuous ground reference plane under the MCU and avoid routing analog signals across digital return paths. The exposed pad (if present) must be soldered to a copper pour tied to VSS to meet thermal and electrical performance targets.
When migrating from a 3.3 V only MCU, do not assume GPIO are 5 V tolerant without consulting the datasheet - on the KE1xZ family most GPIO are 5 V tolerant but a few (notably true open-drain and analog-only pins) have different limits. Configure unused pins per the Kinetis KE1xZ reference manual 'unused-pin' table to prevent shoot-through current. Also ensure the NMI and RESET pins have a 4.7 kΩ to 10 kΩ pull-up and a 100 nF cap on RESET for stable boot.
合規資訊
RoHS and REACH compliant per NXP product page. The VLH7 suffix indicates industrial temperature range, not AEC-Q100 automotive qualification - for AEC-Q100 use the MKE15Z256VLH7 automotive-grade ordering code.
