MCX L14x and L25x Ultra-low-power MCUs with Dedicated Sense Domain and Adaptive Dynamic Voltage Control
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MCX L Series Cortex®-M33 MCUs operate at up to 96 MHz with ultra-low-power levels even in harsh industrial conditions. They feature a sense domain for continuous data acquisition and processing in power-efficient standalone operation including ADC, Analog Compare, I²C, UART and Segment LCD.
The devices are supported by the MCUXpresso Developer Experience to optimize, ease and help accelerate embedded system development.
MCX L25x Superset Features
Core Platform
- Arm® Cortex®-M33 up to 96 MHz
Memory
- Up to 512 kB on-chip flash program memory with flash accelerator, 4 kB low-power cache and ECC (support one bit correction and two-bits detection)
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Flash minimum programming size is 16 bytes
- Support Flash Swap with 8 kB granularity Up to 128 kB RAM, configurable as up to 8 kB with ECC (support single bit correction two-bits detection)
- All RAM can be retained down to deep power down mode
Peripherals
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Analog
- One single-ended 16-bit ADC with sample rate of 2.0 Msamples/sec in 16-bit mode, support 12-bit mode with increased bandwidth at 3.5 MSamples/sec
- Up to 24 ADC Input channels with multiple internal and external trigger inputs
- Integrated temperature sensor
- A second 12-bit ADC of 2.0 Msamples/sec is functional down to Deep Power Down mode
- Two High-speed Comparators with 8 input pins and an 8-bit DAC as internal reference, one comparator is functional down to Deep Power Down mode, can be used as a wake-up source from low-power modes
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Timers
- Three 32-bit standard general-purpose asynchronous timers/counters, each timer supports up to four capture inputs and four compare outputs; specific timer events can be selected to generate DMA requests
- Up to 2x QTimer (Quad Timer) cascadable with capture and compare capabilities (can be used for quadrature position encoder) is functional down to Deep Power Down mode
- LPTimer (Low Power Timer)
- Frequency measurement timer
- Windowed Watchdog Timer
- Wake timer
- MicroTick timer that runs from the 1MHz clock. This can wake up the device from reduced power modes up to deep-sleep with flash off, with extremely low power consumption
- 42-bit free running OS timer as a continuous timebase for the system, available in any reduced power mode
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Communication Interfaces
- 2x LPSPI (Low Power SPI) modules, supporting up to 50 MHz operation frequency in master mode
- Up to 2x LPI2C (Low Power I2C) supporting Standard, Fast, Fast+ and Ultra-Fast modes. 1 additional LPI2C is functional down to Deep Power Down mode
- Up to 3x LPUART (Low Power UART), provides asynchronous, serial communication capabilities. One additional LPUART is functional down to Deep Power Down mode
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Human Machine Interfaces [MCX L25x]
- 1x Segment LCD with 48 LCD pins with programmable LCD frame frequency and blink mode is functional down to Deep Power Down mode
- 1x Keypad supporting up to 8x8 pad matrix is functional down to Deep Power Down mode
MCUXpresso Developer Experience
- MCUXpresso ecosystem support
- Selection of IDE choices
- Pin, clock, peripheral, security and memory config tools
- Security programming and provisioning tools
- Software development kit (SDK)
- Zephyr RTOS support
Security
- Glitch attack resistant keyed access (Glikey)
- MBC controls the Read, Write and Execute permission of each flash block, and the configuration can be locked
- 128-bit unique device serial number for identification (UUID)
- Code Watchdog for detecting code flow integrity
- 3 Levels Read Out Protection, allows the user to enable different levels of protection in the system for different Lifecycles
- Flash programming through in-system programming (ISP) commands over LPUA+B28RT interface with auto baud
Packaging
- Packaging