Resolved! Decoupling capacitors in STM32F4 scheme.
Are the VCAP_1/VCAP_2 external capacitor decoupling capacitors ? (when using the 2.2 uF with power regulator ON) PowerSupplyScheme page 77:
Forum Posts
Blue-Pill/ST-Link Reports: Debugger connection lost. Shutting down...
I have followed Video "STM32CubeIDE basics - 03 GPIO HAL lab" as closely as possible for my hardware as closely as possible and get the following results in the console:STMicroelectronics ST-LINK GDB server. Version 5.5.0 Copyright (c) 2019, STMicroe...
How to avoid JLink debugger affect stm32g030f6 behavior
We use STM32 microcontrollers pretty often, and I took stm32g030f6 for some specific project. I used STLink-2 + openocd before, but I think I cannot use it on that particular one. So I take JLink but I don't have much experience JLink. I spent whole ...
STM32L0538 Connection issues
Hello,today I've received STM32L0538 Discovery kit. The problems started right away. After connecting it to my PC via USB 3.1 port, the board gets the power, but does not work. LD1 lights up to green and LD2 to red, but LD3 and LD4 stays off, the pap...
STM32L4A6VG 3.3V breakdown
Hi everyone,I designed a custom board and now I found two MCUs (STM32L4A6VG) are breakdown. The MCU is running at 3.3V and all VDD, VDDA, VREF+, VDDUSB and VBAT is connected to the same 3.3V source. Here's what I found.For the initial trial, I did 2...
STM32 ST-link utility: mcu restarts before flash and timeouts
Hi, I am trying to flash my STM32F103 MCU but when I press START button MCU restarts and flashing timouts and fails. How do I disable MCU restart before flash? How do I flash it?18:06:05 : ST-LINK SN : 0669FF484956827867191823 18:06:05 : V2J34M25 18:...
"Failed to list debug probes" when scanning for ST-LINK S/N
STM32 Cube IDE throws failure message "Failed to list debug probes" when scanning for ST-LINK S/N under Debug Configurations/Debugger/GDB Server Command Line Options/Interface.Problem has presented itself in last hour. It was working with a Nucleo-F0...
FAQ: Unable to connect to STM32H7 devices, a comment
ST wrote a post Oct 17, 2019 which talks about STM32H7 power supplies. A link:https://community.st.com/s/article/FAQ-Unable-to-connect-to-STM32H7-devicesEspecially SMPS. There is a problem when 100pin package is used, because that package has no SMPS...
'Launching <filename>.elf' has encountered a problem while debugging in stm32IDE?
Hi everyone, I'm using NUCLEO-F429ZI. When i am trying to debug in STM32IDE, I got the following error?
What ST-Link V3 for F746 and H750?
I need a new programmer a for a STM32F746/STM323H750 board. There is SWD interface and the larger one on the board. ST Link V3, especially mini version, looks good. Anything I should know, or what should I buy..