User's Manual

Contents
1 Features...........................................................................2
2 Ordering information ..............................................................3
2.1 Codification ...................................................................3
3 Development environment .........................................................4
3.1 System requirements ...........................................................4
3.2 Development toolchains .........................................................4
3.3 Demonstration software .........................................................4
4 Conventions.......................................................................5
5 Safety recommendations ..........................................................6
5.1 Targeted audience..............................................................6
5.2 Handling the board .............................................................6
6 Quick start ........................................................................7
6.1 Getting started .................................................................7
7 Hardware layout and configuration.................................................8
7.1 Power supply .................................................................12
7.1.1 General description ......................................................12
7.1.2 7 to 12 V power supply ...................................................12
7.1.3 5 V power supply .......................................................13
7.1.4 Current measurement ....................................................14
7.2 Clock sources ................................................................15
7.2.1 HSE clock reference .....................................................15
7.2.2 LSE clock reference .....................................................15
7.3 Reset sources ................................................................15
7.4 Embedded ST-LINK/V2-1.......................................................16
7.4.1 Drivers ...............................................................16
7.4.2 ST-LINK/V2-1 firmware upgrade ............................................16
7.4.3 CN15 ST-LINK/V2-1 USB connector .........................................16
7.4.4 Virtual COM port: USART1 ................................................17
7.4.5 Level shifter ...........................................................17
7.4.6 JP5 multi‑function jumper .................................................17
7.5 LEDs ........................................................................19
7.6 Push-buttons .................................................................20
7.6.1 Description ............................................................20
7.6.2 Reset push-button.......................................................20
7.6.3 User push-buttons.......................................................20
UM2823
Contents
UM2823 - Rev 1
page 33/37