NXP Semiconductors MKL13Z64VLK4

Overview

MKL13Z64VLK4 from NXP Semiconductors (formerly Freescale) is a 48 MHz ARM® Cortex®-M0+ microcontroller with 64 KB flash, 8 KB SRAM, and 8 KB ROM bootloader, designed for ultra-low-power battery-operated systems. It delivers 60 µA/MHz active power consumption, 1.83 µA deep-sleep current with RTC + RAM retention, and supports up to 70 GPIOs in an 80-pin LQFP package - deployed in portable medical sensors and smart utility meters.

For engineers reviewing the MKL13Z64VLK4 datasheet, MKL13Z64VLK4 pinout, MKL13Z64VLK4 application, or MKL13Z64VLK4 equivalent, key selection criteria include its VLLS3 low-power mode performance, FlexIO-based peripheral emulation capability, integrated 16-bit ADC with 20-channel support, and dual UART/I²C/SPI interfaces operating down to 1.71 V supply.

Technical Context

The MKL13Z64VLK4 implements a single-core ARM Cortex-M0+ executing at up to 48 MHz with tightly coupled Micro Trace Buffer and Bit Manipulation Engine. Its clock system integrates factory-trimmed 48 MHz HIRC (±0.5%), 8/2 MHz IRC (±3%), and 32 kHz–32 MHz crystal oscillator support across all low-power modes.

Peripherals include two low-power UARTs operational in VLPS/VLLS modes, one FlexIO module enabling runtime emulation of UART/IrDA/SPI/I²C/PWM, a 16-bit 818 ksps ADC with internal Vref, and hardware CRC acceleration - all coordinated by a 4-channel DMA controller and low-leakage wakeup unit.

Key Specifications

Pinout & Package

Package: 80-pin LQFP, 12 mm × 12 mm, 0.5 mm pitch, 1.6 mm thickness - compatible with standard reflow profiles and accessible for manual prototyping.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MKL26Z128VLH4 and STM32L072KBU6, the MKL13Z64VLK4 uniquely balances ultra-low deep-sleep current, hardware peripheral emulation via FlexIO, and factory-secured ROM bootloader - making it optimal for long-life, protocol-adaptive edge nodes where BOM count and firmware update robustness are primary constraints.

Availability

MKL13Z64VLK4 is available at Aetrix Electronics and suitable for portable medical devices, smart utility meters, industrial remote I/O modules, and asset tracking beacons requiring stable component supply across extended product lifecycles.

Supply support for MKL13Z64VLK4 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 AI acceleration.

The Kinetis KL13 family was engineered specifically for cost-sensitive, battery-powered general-purpose connectivity applications - emphasizing ultra-low static power, flexible peripheral routing, and integrated security primitives for resource-constrained edge endpoints.

FAQ

What is the maximum operating frequency and core architecture of the MKL13Z64VLK4?

The MKL13Z64VLK4 features an ARM Cortex-M0+ core rated for up to 48 MHz operation. This architecture delivers efficient 32-bit processing with low gate count and deterministic interrupt latency, optimized for real-time sensor data acquisition and control tasks in battery-powered systems. The MKL13Z64VLK4 achieves this speed using its factory-trimmed 48 MHz internal reference clock (HIRC) with ±0.5% accuracy, eliminating need for external crystal in many applications.

Does the MKL13Z64VLK4 support ultra-low-power sleep modes with RAM and RTC retention?

Yes, the MKL13Z64VLK4 supports Very-Low-Leakage Stop Mode 3 (VLLS3) with 1.83 µA typical current draw while retaining full SRAM contents and RTC functionality - verified at 3.0 V and 25 °C. This mode enables decade-scale battery operation in applications like utility meters and environmental monitors. The MKL13Z64VLK4 also provides six flexible static power modes, including VLLS0 (sub-1 µA) and LLS with optional RTC, all documented in the Freescale KL13P80M48SF3 datasheet Rev. 2.

How many analog-to-digital converter channels does the MKL13Z64VLK4 provide, and what is its resolution?

The MKL13Z64VLK4 integrates a 16-bit successive-approximation ADC with support for up to 20 single-ended or 10 differential input channels. It achieves 818 ksps sampling rate and includes a high-accuracy internal voltage reference (Vref) to ensure consistent conversion linearity across voltage and temperature. This ADC capability is directly usable in the MKL13Z64VLK4 without external reference components, reducing BOM count in precision sensor interface designs.

What communication peripherals are integrated into the MKL13Z64VLK4?

The MKL13Z64VLK4 includes two I²C modules (one supporting 1 Mbit/s), two SPI modules (up to 24 Mbit/s), one UART (1.5 Mbit/s), two low-power UARTs functional in VLPS/VLLS modes, and a programmable FlexIO module capable of emulating additional UART, IrDA, SPI, I²C, or PWM interfaces. These peripherals are fully accessible on the MKL13Z64VLK4's 80-pin LQFP package and support pin multiplexing to optimize PCB layout in space-constrained applications.

Is there an embedded bootloader in the MKL13Z64VLK4, and how is it accessed?

Yes, the MKL13Z64VLK4 contains 8 KB of factory-programmed ROM housing a production bootloader supporting UART and USB HID interfaces. This bootloader enables secure field firmware updates without requiring external programming hardware or reserving flash space for user-implemented loaders. Activation is triggered via dedicated pins or software command, and the MKL13Z64VLK4 bootloader validates image integrity using hardware CRC before execution - a key feature for certified medical and industrial deployments.