Contents
1 Features...........................................................................2
2 Ordering information ..............................................................3
2.1 Products and codification ........................................................3
3 Development environment .........................................................4
3.1 System requirements ...........................................................4
3.2 Development toolchains .........................................................4
4 Conventions.......................................................................5
5 Quick start ........................................................................6
5.1 Getting started.................................................................6
5.2 Default board configuration ......................................................6
6 Hardware layout and configuration.................................................9
6.1 STM32U5 Nucleo-144 board layout ..............................................10
6.2 Mechanical drawing ...........................................................12
6.3 Embedded STLINK-V3E .......................................................13
6.3.1 Description ............................................................13
6.3.2 Drivers ...............................................................13
6.3.3 STLINK-V3E firmware upgrade.............................................13
6.3.4 Using an external debug tool to program and debug the on-board STM32 ............14
6.4 Power supply and power selection ...............................................16
6.4.1 External power supply input ...............................................16
6.4.2 Programing/debugging when the power supply is not from STLINK-V3E (5V_STLK) ....22
6.4.3 Power supply output .....................................................22
6.4.4 Internal power supply ....................................................22
6.4.5 MCU power supply ......................................................23
6.4.6 VDD_MCU I
DD
measurement ..............................................24
6.5 LEDs........................................................................24
6.6 Push-buttons .................................................................25
6.7 OSC clock sources ............................................................26
6.7.1 LSE: OSC 32 KHz clock supply ............................................26
6.7.2 OSC clock supply .......................................................27
6.8 Reset sources ................................................................27
6.9 Virtual COM port (VCP) ........................................................28
6.10 Bootloader ...................................................................28
6.11 USB Type-C
®
FS/HS ..........................................................29
UM2861
Contents
UM2861 - Rev 5
page 45/49
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