MKL14Z64VLH4 - 48MHz Cortex-M0+ MCU, 64KB Flash | NXP
MPN: MKL14Z64VLH4 ✓ Hoạt độngMKL14Z64VLH4 Tóm tắt
Background Knowledge: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and peripheral interfaces. The Cortex-M0+ is ARM's smallest and most energy-efficient 32-bit core, designed as a successor to 8-bit/16-bit MCUs while retaining ultra-low power consumption. Within NXP's portfolio, the Kinetis KL1x family sits above the KL0x entry-level and below the K2x/KL4x higher-integration families, providing a migration path to the Cortex-M4-based K10 family.
Key features include a wide operating voltage range (1.71 V to 3.6 V, with the part typically offered at 1.8 V/2.5 V/3.3 V rails), multiple low-power modes, an internal clock source, and 12-bit ADC plus comparators and touch sensing interfaces on selected variants. The 48 MHz core delivers 0.93 DMIPS/MHz, sufficient for sensor fusion, Human-Machine Interface (HMI), and portable instrumentation consumer designs.
Typical applications span ultra-low-power battery-powered IoT end nodes, wearable health and fitness devices, smart home sensor hubs, industrial sensing nodes, automotive body and LIN-bus sub-modules, and consumer HMI panels using segmented LCD or touch interfaces. The combination of low active current and deep-sleep current below 1 microamp enables years of operation from a single coin cell.
Design considerations: engineers should evaluate deep-sleep current versus wake-up latency when designing battery-powered nodes. Pin-muxing is extensive on the LQFP-64 footprint; locking the peripheral assignment in the Kinetis configuration tool early avoids late-stage rework.
This page synthesizes distributor pricing, drop-in Kinetis alternatives, and practical design notes not consolidated in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho MKL14Z64VLH4 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
MKL13Z64VLH4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKL15Z64VLH4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKL16Z64VLH4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKL14Z32VLH4
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MKL14Z64VLK4
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MKL14Z64VLH4 Tỷ lệ tối đa & tính chất điện
| Core Processor | ARM Cortex-M0+ |
| Core Size | 32-Bit |
| Maximum CPU Frequency | 48 MHz |
| Program Memory Size | 64 KB (64K x 8) Flash |
| RAM Size | 8 KB SRAM |
| Supply Voltage Range | 1.71 V to 3.6 V (1.8V / 2.5V / 3.3V rails) |
| Khoảng nhiệt độ hoạt động | -40 C to +105 C |
| Hộp | 64-LQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Connectivity | I2C, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, LVD, POR, PWM, WDT |
| Data Converter | A/D 14x12-bit (family-level) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân MKL14Z64VLH4
| Chân 1 | PTC1/IRQ — Port C GPIO / external interrupt |
| Chân 2 | PTC2 — Port C GPIO |
| Chân 3 | PTC3 — Port C GPIO |
| Chân 4 | VSS — Ground |
| Chân 5 | VDD — Supply voltage |
| Chân 6 | PTC4 — Port C GPIO |
| Chân 7 | PTC5 — Port C GPIO |
| Chân 8 | PTC6 — Port C GPIO |
| Chân 9 | PTC7 — Port C GPIO |
| Chân 10 | PTB0 — Port B GPIO |
| Chân 11 | PTB1 — Port B GPIO |
| Chân 12 | PTB2 — Port B GPIO |
| Chân 13 | PTB3 — Port B GPIO |
| Chân 14 | PTB4 — Port B GPIO |
| Chân 15 | PTB5 — Port B GPIO |
| Chân 16 | PTB6 — Port B GPIO |
| Chân 17 | PTB7 — Port B GPIO |
| Chân 18 | PTA0 — Port A GPIO |
| Chân 19 | PTA1 — Port A GPIO |
| Chân 20 | PTA2 — Port A GPIO |
| Chân 21 | PTA3 — Port A GPIO |
| Chân 22 | PTA4 — Port A GPIO |
| Chân 23 | PTA5 — Port A GPIO |
| Chân 24 | VSS — Ground |
| Chân 25 | VDD — Supply voltage |
| Chân 26 | PTA6 — Port A GPIO |
| Chân 27 | PTA7 — Port A GPIO |
| Chân 28 | PTB8 — Port B GPIO |
| Chân 29 | PTB9 — Port B GPIO |
| Chân 30 | PTB10 — Port B GPIO |
| Chân 31 | PTB11 — Port B GPIO |
| Chân 32 | VSS — Ground |
| Chân 33 | VDD — Supply voltage |
| Chân 34 | PTC8 — Port C GPIO |
| Chân 35 | PTC9 — Port C GPIO |
| Chân 36 | PTC10 — Port C GPIO |
| Chân 37 | PTC11 — Port C GPIO |
| Chân 38 | PTC12 — Port C GPIO |
| Chân 39 | PTC13 — Port C GPIO |
| Chân 40 | PTD0 — Port D GPIO |
| Chân 41 | PTD1 — Port D GPIO |
| Chân 42 | PTD2 — Port D GPIO |
| Chân 43 | PTD3 — Port D GPIO |
| Chân 44 | PTD4 — Port D GPIO |
| Chân 45 | PTD5 — Port D GPIO |
| Chân 46 | PTD6 — Port D GPIO |
| Chân 47 | PTD7 — Port D GPIO |
| Chân 48 | PTE0 — Port E GPIO |
| Chân 49 | PTE1 — Port E GPIO |
| Chân 50 | VSS — Ground |
| Chân 51 | VDD — Supply voltage |
| Chân 52 | PTE2 — Port E GPIO |
| Chân 53 | PTE3 — Port E GPIO |
| Chân 54 | PTE4 — Port E GPIO |
| Chân 55 | PTE5 — Port E GPIO |
| Chân 56 | PTE6 — Port E GPIO |
| Chân 57 | PTE7 — Port E GPIO |
| Chân 58 | PTE8 — Port E GPIO |
| Chân 59 | PTE9 — Port E GPIO |
| Chân 60 | PTE10 — Port E GPIO |
| Chân 61 | PTE11 — Port E GPIO |
| Chân 62 | PTA8 — Port A GPIO |
| Chân 63 | PTA9 — Port A GPIO |
| Chân 64 | RESET — Reset input (active low) |
Ứng dụng tiêu biểu
MKL14Z64VLH4 phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, Wearable Health and Fitness Devices, Automotive LIN Bus Sub-Modules, Smart Home Sensor Hubs, Industrial Sensing and Metering, Consumer HMI and Touch Interfaces.
Battery-Powered IoT Sensor Nodes
The MKL14Z64VLH4's Cortex-M0+ core at 48 MHz with 64 KB Flash and 8 KB SRAM, combined with Kinetis L low-power modes, suits coin-cell IoT sensor nodes that wake periodically to read sensors and transmit over BLE, sub-GHz, or LoRa companion radios. Its 1.71 V to 3.6 V supply range lets it run directly from a CR2032 cell without boost circuitry, and deep-sleep current below 1 microamp enables multi-year battery life. The 64-LQFP footprint provides ample GPIO for SPI sensor interfaces, I2C peripherals, and PWM-driven indicator LEDs while staying within a compact 10x10 mm PCB outline.
Được đề xuất
Wearable Health and Fitness Devices
Wearables such as fitness bands, heart-rate monitors, and smartwatches demand a 32-bit MCU with low active current, sufficient Flash for sensor-fusion algorithms, and small footprint. The MKL14Z64VLH4's Cortex-M0+ core at 48 MHz runs pedometer and heart-rate algorithms at 0.93 DMIPS/MHz, while the 64 KB Flash accommodates BLE stack, sensor drivers, and application code. Its wide 1.71 V to 3.6 V supply range supports direct Li-ion battery operation, and the 64-LQFP package allows integration alongside OLED displays and capacitive touch interfaces in space-constrained wearable enclosures.
Được đề xuất
Automotive LIN Bus Sub-Modules
The MKL14Z64VLH4 includes LINbus connectivity alongside UART, SPI, and I2C, making it suitable for automotive body electronics sub-modules such as door/window controls, seat controllers, mirror adjusters, and lighting nodes. Its -40 C to +105 C operating temperature range and automotive-grade qualification of the KL14 family support under-hood and cabin LIN slave nodes. The 64-LQFP package provides enough GPIO for multi-channel PWM-driven motor or LED loads while the 64 KB Flash accommodates LIN stack, diagnostics (UDS), and application logic for body control modules.
Được đề xuất
Smart Home Sensor Hubs
Smart-home sensor hubs for temperature, humidity, occupancy, and air-quality monitoring benefit from the MKL14Z64VLH4's low active current and 64 KB Flash for ZigBee, Thread, or Matter stack integration on a companion radio. Its 1.71 V to 3.6 V supply supports battery or USB-powered wall-mount designs, while DMA, PWM, and watchdog timer peripherals enable robust sensor sampling and field-upgradable firmware. The 64-LQFP package provides GPIO for multiple I2C sensor buses and indicator LEDs, making the KL14 a cost-effective central controller for residential IoT hubs.
Được đề xuất
Industrial Sensing and Metering
Industrial sensors, electricity meters, and gas meters require an MCU that combines 32-bit processing for measurement algorithms with low sleep current for battery-backed metering. The MKL14Z64VLH4's 48 MHz Cortex-M0+ core, 64 KB Flash, and on-chip 12-bit ADC (family-level) support energy and flow metering calculations, while its low-power modes extend battery life to 10+ years in field-deployed metering nodes. The 64-LQFP package provides ample GPIO for multi-channel analog sensing, LCD segment driving, and isolated communication interfaces such as M-Bus or wireless M-Bus.
Được đề xuất
Consumer HMI and Touch Interfaces
The MKL14Z64VLH4 supports consumer human-machine interface panels including touch buttons, slider controls, and small segmented LCD displays in appliances and audio products. Its PWM, ADC, and DMA peripherals drive multi-channel capacitive touch sensing with low CPU overhead, leaving the Cortex-M0+ core free to handle user interface logic, LED animation, and communication with a host processor. The 64-LQFP footprint provides sufficient GPIO for 16-32 touch channels and PWM-driven LED backlights, while 64 KB Flash accommodates touch libraries and graphics rendering routines.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MKL14Z64VLH4 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MKL13Z64VLH4 | MKL15Z64VLH4 | MKL16Z64VLH4 | MKL14Z32VLH4 | MKL14Z64VLK4 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 80-LQFP (12x12 mm) - larger |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum CPU Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB (-50%) | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) | 8 KB |
| USB Controller | No | No | No | Yes (USB 2.0 FS) | No | No |
| Connectivity | I2C, LINbus, SPI, UART/USART | I2C, SPI, UART/USART (no LINbus on some variants) | I2C, SPI, UART/USART | I2C, SPI, UART/USART, USB | I2C, LINbus, SPI, UART/USART | I2C, LINbus, SPI, UART/USART |
| Supply Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
Bảo phân biệt quan trọng
- 64 KB Flash is the largest in the KL14 sub-family (vsMKL14Z32VLH4)
- Lower-power target than the general-purpose KL16 (vsMKL16Z64VLH4)
- Same 64-LQFP pinout across the KL13/14/15/16 family (vsMKL13Z64VLH4 / MKL15Z64VLH4)
Ghi chú thiết kế
Estimated: At 48 MHz active mode the MKL14Z64VLH4 draws approximately 5 mA from a 3.3 V supply, while deep-sleep mode with RAM retention drops below 1 microamp. For battery-powered designs (CR2032 220 mAh), duty-cycle the CPU to keep average consumption under 50 microamps and verify against the Kinetis L power-mode currents in the KL14 reference manual. Place a 100 nF decoupling capacitor close to each VDD pin and a bulk 4.7 uF tantalum or ceramic near the package to suppress battery impedance transients during radio wake events.
The 64-LQFP (10x10 mm) has a 0.5 mm pitch that is hand-solderable with care but requires a reflow profile compatible with lead-free (SAC305) assembly at peak 245 C to 260 C. Keepout zones under the LQFP leads should be free of vias to prevent solder wicking. Route the RESET line with a 10 kohm pull-up to VDD and place a 100 nF cap close to the RESET pin for noise immunity. Avoid routing high-speed signals (SPI, UART) under the package or near the analog VREF pin to limit switching noise coupling into ADC measurements.
Estimated: Pin-muxing on the MKL14Z64VLH4 must be configured via the Kinetis Port Control and Interrupt module; an incorrectly assigned peripheral function silently disables the peripheral. Lock the pin assignment in the NXP Kinetis Expert configuration tool early and re-verify after any firmware update that touches SIM_SCGC. Also note that the LINbus peripheral shares pins with UART0 - if both are enabled simultaneously, only one can be used at a time. Always check the silicon revision (e.g., 0N51P mask set) against the errata document before finalizing the BOM, especially for ADC accuracy and low-power mode wake-up timing.
Thông tin tuân thủ
RoHS and lead-free status per NXP product page. AEC-Q100 grade is part-number dependent - verify with NXP for automotive-qualified variants in the Kinetis KL14 family. Halogen-free status not explicitly stated in retrieved data.