STM32L0 series of ultra-low-power MCUs

Every part of the STM32L0 MCUs has been optimized to achieve an outstandingly low power consumption level. The result is a genuine Ultra-Low-Power MCU with record breaking performances.

The exclusive combination of an ARM® Cortex®-M0+ core and STM32 ultra-low-power features, makes the STM32L0 the best fit for applications operating on battery or supplied by energy harvesting and the world’s lowest power consumption MCU at 125°C.

The STM32L0 offers dynamic voltage scaling, an ultra-low-power clock oscillator, LCD interface, comparator, DAC and hardware encryption.

New autonomous peripherals (including USART, I²C, touch sense controller) reduce the load of the ARM Cortex-M0+ core leading to fewer CPU wakeups and contribute to decreased processing time and power consumption.

Other value-added features such as 16-bit ADC (HW oversampling), crystal-less USB, short wake-up time and communication peripherals capable of operating in ultra-low-power mode make up for an unrivaled tradeoff between feature integration, performance and ultra-low-energy consumption.

The STM32L0 is available with up to 64 Kbytes of Flash, 8 Kbytes of RAM and up to 2 Kbytes of embedded EEPROM (no emulation needed) in 32- to 64-pin packages, including a space-saving WLCSP36.

Current consumption reference values:

  • Dynamic run mode: down to 87 μA/MHz
  • Ultra-low-power mode + full RAM + low power timer: 440 nA (16 wakeup lines)
  • Ultra-low-power mode + backup register: 250 nA (3 wakeup pins)
  • Wake-up time: 3.5 µs

STM32L0 MCU series: a great and affordable ecosystem

  • Purchase a 32-pin or 64-pin Nucleo boardDiscovery kit or Evaluation kit for STM32L0 MCUs. 
  • Download the Free STM32CubeL0 embedded software package containing the HAL, LL (low-layer) APIs, and middleware. Then install ST’s STM32CubeMX graphical software configuration tool (Free) that supports pinout configuration, code generation and a power consumption calculator. Start with one of the many examples provided or build your own project.
  • To get ultimate optimized library code download the free STM32SnippetsL0 embedded software package.

STM32L0 Ultra-low-power Wireless Solution

To discover low-power wireless solutions based on the STM32L0, the STM32L0 LoRa® Discovery kit
(B-L072Z-LRWAN1) and the low-power wireless Nucleo pack (P-NUCLEO-LRWAN1) with
NUCLEO-L073RZ and LoRa expansion board (I-NUCLEO-SX1272D) are now available.

Learn more about our LoRa solution on LoRaWAN web page.

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