STM32 MCUs Products

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Forum Posts

STM32G0B1 Options Bytes

Dear, I currently use a STM32G0B1 on a custom board ans all worked fine until now. My firmware change the options bytes at running to disable the dual bank and using and single bank Flash.At the power up, the firmware check the options bytes and chan...

YDann.7 by Associate III
  • 5373 Views
  • 8 replies
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Resolved! Problem with I2C Interface on STM32F469I-DISCO

Hello, I am trying to write something on the I2C bus to a digital potineometer using the STM32F469I-DISCO board but I get no result, even no response from the device and its like there is no device connected on the bus. I tried the same potineometer ...

mids400 by Associate III
  • 1606 Views
  • 3 replies
  • 1 kudos

Resolved! How to switch a pin between open drain and ground

Hi, I have a pin labeled "DISABLE_HV" that I want switch between open drain and ground (and vice versa) to switch-off and switch-on a DC-DC converter. How can I implement this functionality in the code using HAL library?

ECiot.1 by Associate II
  • 3629 Views
  • 4 replies
  • 1 kudos

Resolved! LPTimer counts only to 1 if running on LSE

Hi, I'm using on a STM32L4R9 a LPTimer1 in interrupt mode. If i use it with the PCLK1, HSI or LSI as clocksource it works as expected. It counts to the ARR value and then the interrupt occours. If i use the LSE as clocksource the LPTimer seems only t...

Resolved! ISOBUS application

Hi everyone, I checked but I couldn't find anything. Is there any application or demo project for ISOBUS communication on STM32 or demo boards? Thanks,Erdem 

Epamuk by Associate III
  • 4186 Views
  • 1 replies
  • 0 kudos

CAN Errors

Hi All,I have written a baremetal program for CAN Tx and Rx for the board STM32f103C8T6.The normal tx and rx function are working fine , next i have to simulate errors to see how the can system i have written works/performs.I have some ideas but am n...

Resolved! Specify option bits in source code file

I am about to release firmware to production and would like to include the proper options bits in the firmware so that production can simply program the .elf file at the same time as updating the option bits.  I realize that there are several option ...