DocID018933 Rev 2

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AN3413

Application description

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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

current record operation, see Section 1.5.2).

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 shows the simplified application electrical schematics.