NUCLEO-L031K6

Affordable and flexible platform to ease prototyping using a STM32L031K6T6 microcontroller.

Overview

The STM32 Nucleo board provides an affordable and flexible way for users to try out new ideas and build prototypes with any STM32 microcontroller line, choosing from the various combinations of performance, power consumption and features.

The Arduino™ connectivity support and ST Morpho headers make it easy to expand the functionality of the STM32 Nucleo open development platform with a wide choice of specialized shields.

The STM32 Nucleo board does not require any separate probe as it integrates the ST-LINK/V2-1 debugger/programmer.


Microcontroller features

  • STM32L031K6T6 in LQFP32 package
  • ARM®32-bit Cortex®-M0+ CPU
  • 32 MHz max CPU frequency
  • VDD from 1.65 V to 3.6 V
  • 32 KB Flash
  • 8 KB SRAM
  • Timers General Purpose (6)
  • SPI/I2S (1)
  • I2C (1)
  • USART (1)
  • 12-bit ADC with 10 channels (1)
  • GPIO (20) with external interrupt capability
  • RTC


Nucleo features

  • Extension with Arduino™ nano connectivity
  • On-board ST-LINK/V2-1 debugger/programmer with SWD connector:
    • USB VBUS
    • External source
  • Three LEDs:
    • USB communication (LD1), power LED (LD2), user LED (LD3)
  • Reset push-button


Board pinout


Pins Legend

/media/uploads/bcostm/pinout_legend_2017-06-28-2.png

You can find more details on the available pins and labels in the following files (link to the latest mbed-dev library version):

Arduino-Nano-compatible headers

/media/uploads/bcostm/nucleo_l031k6_2017_10_09.png

Information

By default the PA_5 (A4) and PA_6 (A5) pins can only be used as Input floating (ADC function). Remove SB16 and SB18 solder bridges in order to use these pins as Digital output and have access to other functions (DigitalOut, SPI, PWM, etc...). Refer to the user manual for more details.


Supported Shields

Gravitech 7 Segment Display for Arduino Nano


Nucleo ST-LINK/V2 driver installation and firmware upgrade

  • Install the ST-LINK/V2 driver before connecting the Nucleo board to your PC the first time. Follow this LINK for all details.
  • For optimum performances, ensure that the Nucleo ST-LINK/V2 firmware is upgraded to the latest version. Follow this LINK for all details.


Technical references

For more information, please refer to:


Known limitations

The following section describes known limitations of the platform. Note that general issues are tracked into the mbed repository available on GitHub.

  • ARM mbed RTOS not compatible with this platform (code size is too big).


Tips and Tricks

Find more information in ST WIKI pages.

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