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MCX L Series Microcontrollers
The MCX L series of Industrial and IoT MCUs feature an Arm® Cortex®-M33 core operating up to 96 MHz and an Arm® Cortex®-M0+ core up to 10 MHz. This series features our Adaptive Dynamic Voltage Control (ADVC) for optimized power consumption at low frequency operation. Compared to traditional low-power MCUs, a dedicated ultra-low-power (ULP) Sense Domain allows operation of low-power peripherals while keeping the main core in Deep Power Mode. This avoids event triggering and keeps data acquisition to extremely low power levels.
Speed up development time for general-purpose Arm® Cortex®-M-based products like the MCX L series with MCUXpresso Developer Experience.
Key Features
Dual Core Architecture
Arm® Cortex-M33 for real-time computing and connectivity stacks and an Arm Cortex-M0+ ultra-low-power sense domain for continuous data collection and processing using minimal power.
Ultra-low-power design
Addressing fundamental challenges in sensor technology by enabling more efficient data collection and reporting with minimal energy consumption.
IoT Security
EdgeLock® security capabilities including secure manufacturing, fast and secure boot, secure debug access and configuration.
MCX L Series Products
Looking Forward to the Lower Power Future with MCX L Series
MCX L Series Cortex®-M33 MCUs operate at up to 96 MHz with ultra-low-power levels even in harsh industrial conditions.
MCX L Ultra-Low-Power MCUs
Dual-core architecture with an ultra-low-power sensing domain to extend the battery life for smart sensor nodes, flow meters and other battery-constrained devices.
Documents
MCX L Factsheet
Discover how the benefits and features of the MCX L series can accelerate your next project.
Read the factsheetMCX L Series Microcontrollers FAQs
Learn more about NXP's MCX L series portfolio of products.
How do I keep a battery node always listening with continuous sensing and thresholding without waking the main core?
Choose MCX L25x or MCX L14x for 48 MHz tiers. The Sense Domain M0+ runs ADC, low-power comparators with DAC references, LPI2C and LPUART in deep power modes so it can sample, filter and generate wake events while the M33 sleeps. ADVC trims energy at low frequency and low-power timers provide predictable wake latencies for event-driven code.
I need a low-power HMI that works in standby with segmented icons, keypad scan and periodic metering without an external LCD controller. What’s the cleanest path?
Use MCX L25x or MCX L14x for cost and power bins with SLCD up to 52×4 and the keypad matrix, both functional in deep power modes. Pair with the second ADC operable in deep power for periodic measurements, and use comparators to trigger wakes on thresholds for an always-on UI and metering loop.
Can I remove glue logic and still support low power serial in standby (LPI2C/LPUART) plus comparator triggered wake?
Yes, MCX L25x and MCX L14x keep LPI2C and LPUART active in deep power modes and support wake sources from comparators and timers. Use comparators with internal DAC for thresholds, then hand over to the M33 at 96 MHz on L25x for burst processing before returning to the Sense Domain.
We’ll start on a small image and later need more memory and performance; can we scale without a board respin?
Start with MCX L14x up to 256 KB flash and 64 KB SRAM at 48 MHz, then scale to MCX L25x up to 512 KB and 128 KB at 96 MHz in LQFP100 or VFBGA packages. Both share dual-domain architecture and a common peripheral set including ADC, comparators, SLCD, keypad and LPI2C/UART, so pinout and software migrate cleanly under MCUXpresso with Zephyr support.
What helps me achieve rapid, first pass bring up for secure boot and low power validation without fragmented toolchains?
MCX L14x and L25x integrate with the MCUXpresso Developer Experience and SPSDK flows for secure boot and debug configuration. Templates include low-power drivers, SLCD, keypad and ADC/comparator wake paths so you can verify current, wake time and telemetry early.