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The STM32L-DISCOVERY helps you to discover the STM32L ultralow power features and to develop and share your applications.
It is based on an STM32L152RBT6 and includes an ST-Link/V2 embedded debugging tool interface, an LCD (24 segments, 4 commons), LEDs, pushbuttons, a touch sensing slider, and touch keys.
Silica Order Code is: STM32LDISCOVERY

  • STM32L152RBT6 microcontroller featuring 128 KB Flash, 16 KB RAM, 4 KB EEPROM, in an LQFP64 package
  • On-board ST-Link/V2 with selection mode switch to use the kit as a standalone ST-Link/V2 (with SWD connector for programming and debugging)
  • Board power supply: through USB bus or from an external 3.3 or 5 V supply voltage
  • External application power supply: 3 V and 5 V
  • IDD current measurement
  • LCD
    • DIP28 package
    • 24 segments, 4 commons
  • Four LEDs:
    • LD1 (red) for USB communication
    • LD2 (red) for 3.3 V power on
    • Two user LEDs, LD3 (green) and LD4 (blue)
  • Two pushbuttons (user and reset)
  • One touch sensing slider and four touch keys
  • Extension header for LQFP64 I/Os for quick connection to prototyping board and easy probing

How to connect KEIL ULINK2 to STM32L-Discovery is here.

Official Link:

STM32 Home Page