Resolved! STM32H735VGH as VBUS powered device
I'm configuring STM32H735VGH MCU for communicating by USB_OTG full speed, Device mode and want to power it by VBUS.Suggest me best whether power distribution switch is required or not ?
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application note and data sheets
In the installed STM32Cube Repository there are hundreds of application notes and data sheets, does anybody know where there is a list of contents? It would take a long time to open them all to check or get the right grep phrase to search.
Can brownout and power-on reset causes be discriminated on the STM32G4?
I am trying to use the flags within the RCC CSR register to determine if my system has started due to a power-on or brownout reset. However, BORRSTF is set for both types of reset, and the G4 does not have a separate POR reset cause flag.I have tried...
Resolved! L431 debug stops after enabling timer update interrupt
Hi all, I have encountered a problem where the debug would stop working as soon as the program hits the line where TIM15's update interrupt is enabled. From there the program appears to be still running but would not stop at any breakpoints and live ...
USB HID sample code
Hi team, I am using one usb-nfc dongle from microE, to integrate it with my board. That dongle is already has code of HID and it is stand alone is working fine (when I connected it to my laptop directly), however am facing challenges whe...
STM32U575VIT6Q I2C interface with LIS2HH12TR is not stable
Hi ST Team,We are using an MCU “STM32U575VIT6Q” and we have connected an ST accelerometer (LIS2HH12TR) to the MCU via an I2C interface. Our schematic design (accelerometer) section is attached. Out of 5 boards we built, accelerometer I2C interface is...
Resolved! USB DFU configuration / use
Hi,I used a F105RCT6 in a custom board, i want to use the DFU mod.When I generate the project with cubemx I select USB DEVICE and DFU mid, i change the clock configuration corectly. I generate the FW, and i flash him.The DFU is running, i open cubepr...
Resolved! tolerance for the decoupling
I'm working on hardware design and have some doubts regarding selecting the tolerance value for the decoupling capacitor for stm32l4 series I have read the application note and data sheet I could not find the value for tolerance.so how can I find the...
sending same data over DMA
I'm using stm32u535 and LIS3DHTR accelerometer. The accelerometer has a 32 FIFO buffer, and I set it up so that it sends a signal to interrupt pin when FIFO is full. To read data, I need to send 0xE900,0x0000,0x0000 (saved in uint16_t ACC_READ_ALL_D...
hlcd.Init.Prescaler = LCD_PRESCALER_1; Keep this Setting and make LCD letters darker
my original lcd settingsvoid MX_LCD_Init(void){/* USER CODE BEGIN LCD_Init 0 *//* USER CODE END LCD_Init 0 *//* USER CODE BEGIN LCD_Init 1 *//* USER CODE END LCD_Init 1 */hlcd.Instance = LCD;hlcd.Init.Prescaler = LCD_PRESCALER_8;hlcd.Init.Divider = L...
