MKL14Z64VLH4 - 48MHz Cortex-M0+ MCU, 64KB Flash | NXP
N.º de pieza: MKL14Z64VLH4 ✓ ActivoMKL14Z64VLH4 Descripción general
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.
Alternativas directas para MKL14Z64VLH4 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
MKL13Z64VLH4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MKL15Z64VLH4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MKL16Z64VLH4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MKL14Z32VLH4
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MKL14Z64VLK4
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MKL14Z64VLH4 Valores máximos y características eléctricas
| 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) |
| Rango de temperatura de funcionamiento | -40 C to +105 C |
| Encapsulado | 64-LQFP (10x10 mm) |
| Tipo de montaje | 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) |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de MKL14Z64VLH4
| Pin 1 | PTC1/IRQ — Port C GPIO / external interrupt |
| Pin 2 | PTC2 — Port C GPIO |
| Pin 3 | PTC3 — Port C GPIO |
| Pin 4 | VSS — Ground |
| Pin 5 | VDD — Supply voltage |
| Pin 6 | PTC4 — Port C GPIO |
| Pin 7 | PTC5 — Port C GPIO |
| Pin 8 | PTC6 — Port C GPIO |
| Pin 9 | PTC7 — Port C GPIO |
| Pin 10 | PTB0 — Port B GPIO |
| Pin 11 | PTB1 — Port B GPIO |
| Pin 12 | PTB2 — Port B GPIO |
| Pin 13 | PTB3 — Port B GPIO |
| Pin 14 | PTB4 — Port B GPIO |
| Pin 15 | PTB5 — Port B GPIO |
| Pin 16 | PTB6 — Port B GPIO |
| Pin 17 | PTB7 — Port B GPIO |
| Pin 18 | PTA0 — Port A GPIO |
| Pin 19 | PTA1 — Port A GPIO |
| Pin 20 | PTA2 — Port A GPIO |
| Pin 21 | PTA3 — Port A GPIO |
| Pin 22 | PTA4 — Port A GPIO |
| Pin 23 | PTA5 — Port A GPIO |
| Pin 24 | VSS — Ground |
| Pin 25 | VDD — Supply voltage |
| Pin 26 | PTA6 — Port A GPIO |
| Pin 27 | PTA7 — Port A GPIO |
| Pin 28 | PTB8 — Port B GPIO |
| Pin 29 | PTB9 — Port B GPIO |
| Pin 30 | PTB10 — Port B GPIO |
| Pin 31 | PTB11 — Port B GPIO |
| Pin 32 | VSS — Ground |
| Pin 33 | VDD — Supply voltage |
| Pin 34 | PTC8 — Port C GPIO |
| Pin 35 | PTC9 — Port C GPIO |
| Pin 36 | PTC10 — Port C GPIO |
| Pin 37 | PTC11 — Port C GPIO |
| Pin 38 | PTC12 — Port C GPIO |
| Pin 39 | PTC13 — Port C GPIO |
| Pin 40 | PTD0 — Port D GPIO |
| Pin 41 | PTD1 — Port D GPIO |
| Pin 42 | PTD2 — Port D GPIO |
| Pin 43 | PTD3 — Port D GPIO |
| Pin 44 | PTD4 — Port D GPIO |
| Pin 45 | PTD5 — Port D GPIO |
| Pin 46 | PTD6 — Port D GPIO |
| Pin 47 | PTD7 — Port D GPIO |
| Pin 48 | PTE0 — Port E GPIO |
| Pin 49 | PTE1 — Port E GPIO |
| Pin 50 | VSS — Ground |
| Pin 51 | VDD — Supply voltage |
| Pin 52 | PTE2 — Port E GPIO |
| Pin 53 | PTE3 — Port E GPIO |
| Pin 54 | PTE4 — Port E GPIO |
| Pin 55 | PTE5 — Port E GPIO |
| Pin 56 | PTE6 — Port E GPIO |
| Pin 57 | PTE7 — Port E GPIO |
| Pin 58 | PTE8 — Port E GPIO |
| Pin 59 | PTE9 — Port E GPIO |
| Pin 60 | PTE10 — Port E GPIO |
| Pin 61 | PTE11 — Port E GPIO |
| Pin 62 | PTA8 — Port A GPIO |
| Pin 63 | PTA9 — Port A GPIO |
| Pin 64 | RESET — Reset input (active low) |
Aplicaciones típicas
MKL14Z64VLH4 es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MKL14Z64VLH4 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- 64 KB Flash is the largest in the KL14 sub-family (frente a MKL14Z32VLH4)
- Lower-power target than the general-purpose KL16 (frente a MKL16Z64VLH4)
- Same 64-LQFP pinout across the KL13/14/15/16 family (frente a MKL13Z64VLH4 / MKL15Z64VLH4)
Notas de diseño
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.
Información de cumplimiento
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.