Application Description; Used Hardware Components; Stm32L1Xx Discovery Hardware Settings; Application Schematics - ST STM32L1 Series Application Note

AN3413
1

Application description

STM32L1xx DISCOVERY stands either for STM32L-DISCOVERY or 32L152CDISCOVERY
evaluation kit throughout the document.
1.1

Used hardware components

This application example uses the hardware components available on STM32L1xx
DISCOVERY; on-board LEDs (green LD3 and blue LD4), the 6-digit/4-bar LCD glass
display, the user push-button and touch sense slider. No additional components are
required.
1.2

STM32L1xx DISCOVERY hardware settings

The I jumper JP1 must be placed in position ON for standard operation (except for bias
DD
current record operation, see
Both jumpers on CN3 must be fitted to allow communication of STM32L15x with ST-Link
debugging tool thru SWD interface.
Note: All solder bridges must be in the default state as described in UM1079.
1.3

Application schematics

Figure 1
Section
shows the simplified application electrical schematics.
DocID018933 Rev 2
1.5.2).
Application description
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