STM32 MCUs Boards and hardware tools

ST Link Utility is unable to detect the board. STN32f407vgt6. It throws No ST - Link detected. I have Windows 8.1, Keil u5, and latest ST -Link STSW LINK004 DOWNLOADED AS WELL. Even Disk Manager methods did not work. Tried hard for that. Pls do help.

Is my jumpers in right position. Pls do help. Thanks

Why STM32H747I-DISCO ref design using two different CADs?

Hi, there! :) I've just downloaded the STM32H747I-DISCO MB1248 board design files(https://www.st.com/resource/en/board_manufacturing_specification/mb1248_bdp.zip) I found that the schematics is an Altium Designer Project, but layout is an Allegro brd...

problem with stm32G070 connection

Hello, at the beginning I had STM32G070 (brand new), from the beginning I had a problem with it, ST-LINK utility was connecting with uC, but after a while disconnects it. I was looking in the settings unfortunately I found nothing. Oddly enough, once...

Undocumented Pullup on Pin PB4/JNRST

Hi,as I see it here in my test PCB, the pin PB4 (JNRST for JTAG interface) seems to have an internal weak pullup during reset (I assume 40kOhm as NRST - an external 10kOhm will pull this pin down, but 100kOhm pull down does NOT work...).It is luckily...

Where can I get technical info about stencil thickness and openings for UFQFPN packeges?

STLINK-V3SET: what pins to connect for the VCP_TX and RX ?

Hello.I am building an application and planning on using the STLINK-V3SET to program and debug, but I can not find any reference which describes what pins to connect for the VCP_TX and RX pins from the programming header to the MCU.  I believe that I...

Olimex STM32-P407 (STM32F407ZGT6): No device found on target (using ST-LINK/V2)

Hi everyone,I purchased several boards from Olimex (STM32-E407, STM32-P405, STM32-P407) and I am using the ST toolchain (STM32CubeMX, STM32CubeIDE, ST-LINK/V2, STM32 ST-LINK Utility). The purpose is just to blink a LED.For the boards STM32-E407 and S...

STM32 DISCOVERY DISC-1 LOSES PROGRAM AFTER POWER OFF?

Dear all!!I have a STM32 DISCOVERY DISC-1 and I have a problem. I created .hex file by KeilC and I programed this board by STM32 ST-LINK Utility and everthing seem be OK. But, when I turned off power and after that I turned on, board was not run. I c...

Error when trying to debug code on custom board with ST-Link V3

Hi,I have a custom board and am trying to debug live code on the target MCU with STM32CubeIDE but constantly getting the below error. I should note that I'm running Ubuntu 18.04 and have so far been successful in loading my built code with STM32CubeP...

ST-LinkUpgrade.exe tool brokes my Nucleo-F411RE board.

Indeed, I've just bought a brand new Nucleo-F411RE, connect it to my computer and sent a simple program that is doing a printf, so I can see it in the serial monitor ( I'm using MBed studio ).Then I've launched ST-LinkUpgrade.exe clicked on "Connect ...