Resolved! Low Power Reset Circuit
Hello, Could anybody please look at the circuit, and if it is correct.I am not sure if C5 is necessary to be there.Thank you.
STM32 MCUs Boards and hardware tools
Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.
Forum Posts
ST-LINK V3 bricked by STM32CubdeIDE v1.8.0 ?
I fired up CubeIDE again after a while, it updated from v1.4 or so to 1.8 now.When I was about to debug, it offered to update the firmware of my ST-Link V3 SET.It claimed that was successful.When I then wanted to debug, it claims there is no target.I...
I create a PCB with stm32F411 and i obtain: "Can not connect to target" with st-LINK Utility
Hello,For a project, I created a PCB with an STM32F411 using a 10pin JTAG port for SWD programming.I tried to connect my card using the ST LINK V2 box and the ST Link utility software but I get the following error:The st link works because I can prog...
My STM32F302C8T6 only runs the program when the code is loaded. If I reset it or power up, it does not run.
Maybe is a hardware problem since the microcontroller is on a custom board I designed. The problem is the following: The microcontroller only runs the program the moment I load the code, if I reset it or power up the board after a power-off it does n...
Resolved! SMPS with/without LDO comparison
I'm trying to understand the benefits/tradeoffs of the "Direct SMPS supply" and "SMPS supplies LDO" options for the STM327H (red and blue options in the attached figure). Since the LDO adds an extra source of power loss, and the SMPS can supply all d...
Resolved! How to send commands from PC to Nulceo board over ST-Link USB interface (UART)?
Hello everyoneI'm using a Nucleo board, specifically the L031K6. I'm used to sending UART messages from the board to the PC via the ST-Link USB interface. In this project I wanted to do the other direction going from the PC up to the card over the sa...
PCB (that has STM32F407 as MCU and USB CDC interface is running without error) is not recognized by PC( windows 10).
The STM32F407 is programmed with STMCube IDE and there is no error during initizalition of the functions; HAL_Init(), SystemClock_Init(); MX_USB_DEVICE_Init().As I expect that virtual com port will be opened while the PCB is plugged into my PC, unfor...
STM32F767 number of decoupling capacitors
Hi all, I design PCB with STM32F767 in LQFP144 package. I know that design guidelines suggested adding a decoupling capacitor on each VDD pin but by layout (tracks density) I don't have space for capacitors on each VDD pin (elements on only one side ...
How to find out the address of LED?
I'm studying a Modbus...And i wanna to check my code and I want to check the condition of pin PC13 (LED).How to find out the address of pin C13? If this line printf("Address of variable LED is: %p\r\n", &LED);say to me error "'LED' undeclared (first ...
USB HS and FS pin locking of STM32H745IIK mapping
Hello,I am working on STM32H745IIK controller.I am enabling the FS and HS USB configuration.The pin mapping that I enable is correct or wrong can you please guide me.I am sharing its pin mapping can you please just help to corrects its pin mapping.
