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STM32H743 UART configurations for non-standard baud rate

Hi,I'm using STM32CubeMx to generate UART initialisation code for STM32H743 controller. I'm able to test UART communication for baud rate 3686400. I'm not able to make UART communication up & running when I changed baud rate to 4000000.Is there other...

S.Kamath by Associate III
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Resolved! Interrupt priority in STM32F1

Hello,My question is that how many interrupts could be in pending state in STM32F1 MCUs? What would happen when a interrupt is running and in the same time another interrupt with same preempt priority be fired, does the running interrupt finishes and...

RezaMRBM by Associate II
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  • 9 replies
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Reading of ADC jumps randomly by about -20 counts

I am currently using an STM32L475VCT in my board design, and I also have an STM32L476G-EVAL board.I have ADC1 set up for sampling 6 channels continuously. Each conversion is triggered by an output from timer 1, I am also using 4x oversampling. The ti...

AWies.1 by Associate III
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  • 7 replies
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I2C bridge

Dear all,In my system, STM32L412 is between MCU_B and Dev_S. The role of the STM32L412 is a bit like I2C bridge.That means MCU_B does any I2C read/write command from/to Dev_S must by the help of STM32L412.It is simple for STM32L412 receives I2C write...

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E-John by Associate III
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  • 1 replies
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Resolved! MTBF data of MCU STM32H7B3IIK6Q

Hello.I'm finding the MTBF data of MCU STM32H7B3IIK6Q working at 60℃. The document UM2331: STM32H7 single-core safety manual not answer my question, as it is a general introduction about the reliability of STM32, but not include the detailed MTBF or ...

WLiao.1 by Associate II
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Resolved! I2C MASTER INITIALIZATION QUESTION

In the STM32f302R8 Reference manual, it is stated for master initialization, I need to Enable Interrupts and/or DMA in I2C_CR1:Does this mean I need to enable all the bits that is related to interrupts? Example, from bit 1 until bit 8, do I need to e...

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WM_IR by Senior
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  • 1 replies
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