Forum Posts
No USB enumeration anymore
Hi all,I build a prototype board based on STM32G431KBT6 which need Virtual COM port and DFU firmware upload. In previous version of the prototype everything worked fine.Windows detected the board, I was able to send/receive commands over VCP and also...
Can desoldering and soldering to replace a capacitor which is part of an RC filter of an I/O pin cause that pin to develop an internal short to VCC?
This problem has now happened on 14 PCBAs. Any insight would be gratly appreciated.Regardsik
Why do I get a double reset with ST Link V3?
Hello ,recently I upgraded to ST Link V3 and it works fine so far. Only one thing is annoying: I always get a double reset when uploading a new firmware from Cube IDE to my target. Console output is this:STMicroelectronics ST-LINK GDB server. Version...
Understanding 5V tolerance and internal pull up/down resistors
Hi all:I have problems understanding the pull up/down situation with regards to 5V tolerance.I must admit that I have limited hardware knowledge, so please be gentle. I have searched and read a lot, but couldn't find a definitive answer yet.Say that ...
VCC AND GROUND PINS (59,60) AND (83,82) BURNED WHILE RUNNING(208 pin controller).
Hi everyonewe are developing simple iot gteway with reference of STM32F746 discovery board schematic.we have done assembling of controller sdram,norflash,rs232,usb2.0 sections one by one after testing with test codes.for ethernet we are using ksz8863...
Resolved! Computer isn't detected the BluePill (STM32F103C8T6) board on windows 10. Can anyone help me to solve it?
Hi,I am quite new in this MCU world and I bougth a BluePill board (STM32F103C8T6) to start doing the basics and learn.At first I tried to use the IAR Embedded IDE to program the board but when I tried to debug the following error appears.Then I tried...
STM32H725IGK6 Boot Issues
I'm using STM32H725IGK6. I come from Microchip PIC world.When pulling up 'BOOT0' with 10kΩ to VCC(3.3V) , I'm able to run my code on my custom designed board using STM32CUBEIDE.When I press RST or power cycle board, nothing runs. This is expected rig...
Need STLD40D substitution
Hi,Is there, by any chance, a substitution for the white LED power supply for large display blacklight used in the STM32H45I-DISCO LCD schematic ?The product have 0 stock everywhere and will be available in 20 weeks. I can't wait that long to test my...