NXP Semiconductors MKL16Z256VMP4R

Overview

MKL16Z256VMP4R from NXP Semiconductors (formerly Freescale) is a 48 MHz ARM Cortex-M0+ based microcontroller in 64-pin MAPBGA package, featuring 256 KB flash, 32 KB SRAM, 54 GPIOs, 16-bit SAR ADC, 12-bit DAC, and ultra-low-power operation down to 0.23 µA in VLLS0 mode with full state retention. It serves as an entry-level 32-bit MCU for battery-powered industrial sensors and portable medical devices requiring deterministic real-time response and long service life.

For engineers reviewing the MKL16Z256VMP4R datasheet, MKL16Z256VMP4R pinout, MKL16Z256VMP4R application, or MKL16Z256VMP4R equivalent, key selection criteria include its 4 MHz VLPR core frequency capability, 90nm TFS low-leakage process, integrated TSI touch interface, dual UART/I²C/SPI interfaces, and support for -40°C to +105°C ambient operation with 3.6 V max supply.

Technical Context

The MKL16Z256VMP4R implements a single-core ARM Cortex-M0+ processor with Thumb-2 instruction set, tightly coupled to a zero-wait-state flash controller and configurable clock gating across all peripheral domains. Its power management unit supports nine distinct low-power modes-including VLLS0 (0.23 µA), VLLS1 (0.71 µA), and VLPS (2.71 µA)-with sub-5 µs wakeup from VLPS/STOP to RUN mode using internal 4 MHz IRC or external crystal sources.

System-level integration includes a Bit Manipulation Engine (BME) for atomic bit-field operations, SWD debug interface with Micro Trace Buffer, COP watchdog, and low-leakage wakeup unit with programmable edge detection on 54 GPIOs. Analog subsystem comprises a 16-bit SAR ADC with hardware averaging, 12-bit DAC with buffer, and analog comparator with integrated 6-bit DAC reference.

Key Specifications

Pinout & Package

64-pin MAPBGA (MP) package, 5 mm × 5 mm × 1.23 mm, 0.5 mm pitch. Ball grid layout optimized for high-density PCB routing and thermal dissipation in compact modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with KL26Z256VLH4, MKL16Z256VMP4R offers identical core/peripheral IP but in space-constrained MAPBGA; versus STM32L072KBU6, it provides superior analog precision and touch capability at the expense of slightly higher active current and vendor-specific toolchain dependencies.

Availability

MKL16Z256VMP4R is available at Aetrix Electronics and suitable for smart sensor nodes, portable medical monitors, industrial control panels, and energy meter interface modules requiring stable component supply across extended product lifecycles.

Supply support for MKL16Z256VMP4R 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 focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in ARM-based microcontrollers and edge processing.

The Kinetis KL16 sub-family was designed specifically for ultra-low-power, cost-sensitive 32-bit embedded applications-targeting battery-operated sensors, wearables, and industrial controls where energy efficiency and peripheral integration outweigh raw compute throughput.

FAQ

What is the maximum operating frequency of the MKL16Z256VMP4R core?

The MKL16Z256VMP4R features an ARM Cortex-M0+ core rated for up to 48 MHz operation in normal run mode. This frequency is achievable using the PEE clock mode with an external crystal or internal FLL; in very-low-power run (VLPR) mode, the core operates up to 4 MHz to minimize dynamic power consumption while maintaining real-time responsiveness. The MKL16Z256VMP4R datasheet specifies fSYS ≤ 48 MHz as the absolute maximum system clock frequency under all valid operating conditions.

Does the MKL16Z256VMP4R support hardware touch sensing?

Yes, the MKL16Z256VMP4R integrates a dedicated Touch Sensing Input (TSI) module capable of supporting up to 16 capacitive touch electrodes with automatic calibration, noise filtering, and low-power scanning. This hardware-accelerated TSI eliminates the need for external touch controllers in applications such as medical device keypads or industrial HMI panels. The MKL16Z256VMP4R TSI operates independently of the CPU during scan cycles, enabling touch detection with minimal impact on system power budget.

What are the low-power mode current specifications for MKL16Z256VMP4R at 3.0 V?

At 3.0 V supply and 25°C ambient, the MKL16Z256VMP4R achieves 0.23 µA in VLLS0 mode (with PORPO=1), 0.71 µA in VLLS1, 1.5 µA in VLLS3, 2.0 µA in LLS, 2.71 µA in VLPS, and 306 µA in STOP mode-all with full RAM retention and fast wakeup. These values are measured with internal 4 MHz IRC enabled and no peripherals active; adding enabled peripherals increases current additively per Table 10 in the datasheet. The MKL16Z256VMP4R's ultra-low static current makes it suitable for decade-long deployments in sealed sensor enclosures.

Can MKL16Z256VMP4R operate across the full industrial temperature range?

Yes, the MKL16Z256VMP4R is specified for operation from -40°C to +105°C ambient temperature, meeting industrial-grade reliability requirements. Its silicon process and design validation include thermal characterization across this full range, with guaranteed performance for flash programming, ADC linearity, and clock stability. The MKL16Z256VMP4R's 105°C rating supports deployment in unventilated control cabinets, automotive under-hood locations, and outdoor infrastructure-provided PCB layout adheres to thermal guidelines in the package drawing 98ASA00420D1.

What debug interface does MKL16Z256VMP4R provide?

The MKL16Z256VMP4R implements a two-pin Serial Wire Debug (SWD) interface compliant with ARM CoreSight standards, supporting full JTAG-like functionality including halt/resume, memory access, register inspection, and real-time trace via the integrated Micro Trace Buffer (MTB). No external debug adapter is required beyond standard SWD probes (e.g., Segger J-Link, NXP LPC-Link2). The MKL16Z256VMP4R SWD interface remains accessible even in low-power modes, enabling debugging of power management sequences without compromising energy efficiency.