Contents
1 Features...........................................................................2
2 Ordering information ..............................................................3
2.1 Product marking ...............................................................3
2.2 Products and 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 Quick start ........................................................................6
5.1 Getting started .................................................................6
5.2 Default board configuration ......................................................6
6 Hardware layout and configuration.................................................8
6.1 STM32L5 Nucleo-144 board layout ...............................................8
6.2 Mechanical drawing ...........................................................10
6.3 Embedded ST-LINK/V2-1.......................................................12
6.3.1 Drivers ...............................................................12
6.3.2 ST-LINK/V2-1 firmware upgrade ............................................12
6.3.3 NUCLEO ST-LINK/V2-1 hardware configuration ................................12
6.4 Power supply .................................................................15
6.4.1 External power supply input ...............................................15
6.4.2 Programing/debugging when the power supply is not from ST-LINK (5V_STLK)........21
6.4.3 External power supply output ..............................................21
6.4.4 Internal power supply ....................................................21
6.5 LEDs ........................................................................22
6.6 Push-buttons .................................................................23
6.7 IDD measurement .............................................................23
6.8 JP4 VDD_MCU voltage selection 1V8 or 3V3 ......................................23
6.9 OSC clock sources ............................................................24
UM2581
Contents
UM2581 - Rev 2
page 44/48