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 Quick start ........................................................................6
5.1 Getting started.................................................................6
5.2 Default board configuration ......................................................6
6 Hardware layout and configuration.................................................9
6.1 PCB layout ...................................................................10
6.2 Mechanical drawing ...........................................................11
6.3 Embedded STLINK-V3EC ......................................................12
6.3.1 Drivers ...............................................................12
6.3.2 STLINK-V3EC firmware upgrade ...........................................12
6.3.3 Using an external debug tool to program and debug the on-board STM32 ............13
6.4 Power supply and power selection ...............................................14
6.4.1 External power supply input ...............................................14
6.4.2 Programming/debugging when the power supply is not from STLINK-V3EC (STLK) ....19
6.4.3 Power supply output .....................................................19
6.4.4 Internal power supply ....................................................19
6.4.5 VDD_MCU IDD measurement .............................................20
6.5 LEDs........................................................................20
6.6 Push-buttons .................................................................21
6.7 Oscillator clock sources ........................................................21
6.7.1 LSE: OSC 32 KHz clock supply ............................................21
6.7.2 OSC clock supply .......................................................22
6.8 Reset sources ................................................................22
6.9 Virtual COM port ..............................................................22
6.10 Bootloader ...................................................................23
6.11 Octo‑SPI flash memory ........................................................23
6.12 USB Type-C
®
(HS, DRP) .......................................................23
UM3276
Contents
UM3276 - Rev 1
page 36/40
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