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I2C slave with no clock stretch

Posted on October 23, 2017 at 12:33Hello,I've tried the I2C_TwoBoard_RestartComIT example in the STM32Cube_FW_L4_V1.9.0. It works fine.If I disable the clock stretching feature, the slave can still receive messages, but it doesn't transmit back. It ...

STM32 Nucleo-F401re bootloader commands are not working

usart1 connectedHercules setup utility     Issue with Sending Bootloader Command on STM32According to AN3155, the 0x7F command should initialize the USART. I have ensured that I am in bootloader mode and have made the following connections:Connect th...

mohite25_0-1738652856579.png mohite25_1-1738653591496.png
mohite25 by Associate III
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STM32F446RE DAC External Protection

Hi, Greetings!! We have implemented internal DAC (DAC1 and DAC2 both) in STM32F446RE chip. Both the DAC gives identical analog voltage from the range of 0-1V corresponding to the measurement reading of 0-100.  This analog output voltage is connected ...

Paddy611 by Associate II
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  • 1 replies
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Resolved! board resets continuously

Hi, I am using the STM32F429ZI board. I enabled the hardware-independent watchdog timer using STM32CubeProgrammer option bytes. However, there are no errors or faults in my project—I have only enabled the GPIO and UART peripherals. But after enabling...

kRaje.1 by Associate II
  • 258 Views
  • 5 replies
  • 3 kudos

Resolved! STM32G474 clock 170 MHz

Hello, I use 25 MHz quarz (XRCGB25M000FAN00R0) together with 5.6 pF load capacitors. When I configure clock to 170MHz my program stuck here: while (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == 0U). When I configure clock to 168.75 MHz, then everything work co...

koyocik by Associate III
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  • 27 replies
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Could not halt device (19)

Hi,I am trying to program STM32F030C8T6 with STM32CubeIDE. When I try to upload the code, it says the download was successful but then it fails to halt the device. I have tried setting "Reset behaviour" to "None" as other posts have suggested, but th...

JS8 by Senior
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  • 11 replies
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Resolved! GPIO port output speed register [STM32H743XGH6]

I have a question regarding GPIO settings for the STM32H743.Does anyone have detailed documentation on the speed of the GPIOx_OSPEEDR register?I would like to know the criteria for using low speed or very high speed. 

NiM by Associate III
  • 199 Views
  • 2 replies
  • 1 kudos

H7R7 ext flash problem

I've purchased an STM32H7R7L8HxH development board, but I'm not sure how to download a binary file to the external flash.   The external flash consists of two W25Q128 chips. The Chip Select (CS) lines of both chips are connected to XSPI1_CS PO0. The ...

Resolved! Looking for a trig function library

Hello ST Community,I'm working on an application using the STM32F103C8T6 microcontroller that implements a Sliding Mode Observer (SMO) and Park/Clarke transformations. I'm facing significant performance challenges due to the computational overhead of...