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MKL16Z32VLH4

48MHz ARM Cortex-M0+ MCU, 32KB Flash, 8KB SRAM, 16-bit ADC, TSI touch, LQFP-64

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Pieza del fabricante：

MKL16Z32VLH4

Paquete：

LQFP-64 (10 x 10 x 1.4mm)

Marca：
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Descripción

Productos

The MKL16Z32VLH4 is a 48MHz ARM Cortex-M0+ microcontroller from NXP in LQFP-64 package, part of the Kinetis KL16 sub-family. It features 32KB Flash, 8KB SRAM, a 16-bit SAR ADC, 12-bit DAC, touch-sensing interface (TSI), and multiple communication interfaces. The ultra-low-power design draws 40uA/MHz in very low power run mode and 2uA in static retention with 4.5us wakeup, targeting battery-powered human-machine interface applications.

Especificaciones

Núcleo ARM Cortex-M0+ @ 48MHz
Flash / SRAM 32KB / 8KB
ADC 16-bit SAR, 1 channel
DAC 12-bit, 1 channel
Touch Sense (TSI) Up to 16 channels
Comunicación 2x SPI, 2x UART, 1x LPUART, 2x I2C, I2S
Temporizadores 3x TPM (6+2+2 channels), LPTMR, PIT
GPIO Up to 54 pins
Operating Voltage 1.71V to 3.6V
Paquete LQFP-64 (10x10mm)
Temperature -40°C to +105°C

Características

  • Ultra-low-power: 40uA/MHz run, 2uA static retention, 4.5us wakeup
  • Hardware touch-sensing interface (TSI) for capacitive buttons and sliders
  • 16-bit ADC and 12-bit DAC for precision analog measurement and generation
  • Bit Manipulation Engine (BME) for atomic bit-level I/O operations
  • Nine low-power modes for fine-grained power optimization
  • SWD debug with Micro Trace Buffer (MTB)

Aplicaciones

  • Capacitive touch user interfaces and smart knobs
  • Battery-powered IoT sensor nodes
  • Portable medical devices (glucose meters, thermometers)
  • Smart home sensors and actuators
  • Wearable electronics and fitness trackers

The MKL16Z32VLH4 is a 48MHz ARM Cortex-M0+ microcontroller from NXP in LQFP-64, optimized for ultra-low-power human-machine interface applications. The KL16 sub-family adds a 16-bit SAR ADC, 12-bit DAC, and hardware touch-sensing interface (TSI) to the base KL14 platform, enabling precision analog measurement and capacitive touch in a single chip. The 32KB Flash and 8KB SRAM provide sufficient code and data space for touch processing, communication stacks, and application logic. The device supports nine low-power modes: from Very Low Power Run (40uA/MHz) through Low Leakage Stop (2uA with full SRAM retention and 4.5us wakeup) to VLLS0 (50nA, no retention, pin wakeup). The TSI module scans capacitive touch electrodes autonomously, detecting finger touches without CPU intervention and waking the core only when a touch event occurs. The Bit Manipulation Engine (BME) provides atomic set/clear/toggle/complement of individual GPIO bits in a single bus transaction, eliminating read-modify-write race conditions. The -VLH4 suffix specifies LQFP-64, 32KB Flash, -40°C to +105°C.

The MKL16Z32VLH4 operates around the ARM Cortex-M0+ core, a 2-stage pipeline processor executing Thumb instruction set with single-cycle I/O access. The M0+ core includes a Nested Vectored Interrupt Controller (NVIC) with 32 interrupt sources and configurable priority. The memory map connects 32KB Flash (zero-wait-state at 48MHz via prefetch buffer), 8KB SRAM (single-cycle access), and peripheral registers via the AHB-Lite and APB bus matrices. The power management unit (PMC) controls nine low-power modes: (1) RUN (CPU active, all peripherals clocked); (2) VLPR (CPU at 4MHz, reduced peripheral clocks, 40uA/MHz); (3) WAIT (CPU halted, peripherals active, 1.5mA typical); (4) VLPW (same as WAIT but in VLPR, 100uA); (5) STOP (all clocks stopped, SRAM retained, 1.5uA, 4.5us wakeup); (6) VLPS (same as STOP in VLPR, 400nA); (7) LLS (low-leakage stop, 2uA, 4.5us wakeup via LLWU pin); (8) VLLS1 (very low leakage, 50nA, no SRAM retention); (9) VLLS0 (50nA, no retention). The TSI module charges and discharges touch electrodes through a constant current source, measuring the capacitance change when a finger is present. The 16-bit ADC uses successive approximation with hardware averaging (1/4/8/16/32 samples) and automatic compare function for threshold detection.

Pin Nombre Tipo Función
1-8 PTA0-PTA7 E/S Port A (GPIO/UART0/UART1/SPI0/I2C0/TPM/FTM/TSI/ADC/CMP)
9-16 PTA8-PTA15/PTB0-PTB3 E/S Port A/B (GPIO/UART/RTC/I2S/TSI/ADC/TPM)
17-32 PTB4-PTB19 E/S Port B (GPIO/UART/SPI/I2C/TSI/ADC/TPM/CMP/DAC)
33-48 PTC0-PTC15 E/S Port C (GPIO/UART/SPI/I2C/TSI/TPM/USB/LPTMR)
49-64 PTD0-PTD7/PTE0-PTE7/VDD/VSS I/O/Power Port D/E (GPIO/UART/SPI/TPM/TSI) / Supply / Ground
  • Capacitive touch panel: TSI module scans 16 touch electrodes autonomously; wakes MCU from 2uA VLPW on touch event; supports sliders, wheels, and proximity sensing
  • Battery-powered sensor node: 40uA/MHz in VLPR mode runs sensor acquisition at 4MHz; 50nA VLLS0 standby between measurements; 10-year CR2032 battery life
  • Portable medical device: 16-bit ADC measures biopotential with hardware averaging; 12-bit DAC generates reference or test signals; touch interface replaces mechanical buttons
  • Smart home thermostat: LPUART receives commands from Wi-Fi module; TPM drives fan motor PWM; TSI provides touch UI; low-power modes extend battery backup during power outage
Fabricante Número de pieza Paquete Notas
NXP MKL16Z64VLH4 LQFP-64 64KB Flash version, double density
NXP MKL17Z64VMP4 QFN-48 Cortex-M0+, 64KB, smaller package
NXP MKL26Z128VLH4 LQFP-64 128KB Flash, full USB FS device
STMicroelectronics STM32L052K8U6 UFQFPN-32 Cortex-M0+, 64KB, ultra-low-power, ST
Laboratorios Silicon EFM32HG210F64G-B-QFN24 QFN-24 Cortex-M0+, 64KB, low-power, SiLabs
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