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Interrupt Vector Table

Hello,As per CM4 guide and TRM of Nucleo f446re,interruot vector table is array of function pointers and each pointer holds the entry address(initial address) of each IRQ_handler, Where interrupt IRQ_number is used for indexing.While debugging I fail...

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UART RX DMA Implementation Issue

Hello,I am using STM32F030C8T6 to implement Modbus RTU protocol which uses UART and RS485 as physical layer.I have already implemented the complete protocol with UART's RXNE and TCIE interrupts.Now I am trying to implement through DMA by which I will...

Anesh by Associate III
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Resolved! I3C: TXFNFF never set when debugging

Setup: NUCLEO-H503RB with X-NUCLEO-IKS4A1, using STM32CubeIDE. To familiarize myself with I3C, I am playing around in this setup and have some source code which causes I3C interaction between controller and target. I have a logic analyzer attached, a...

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LPUART1 wakeup fail in STOP2 mode

Hello,I'm using LPUART1 (STM32U0) for modbus communication and using STOP2 mode to go sleep until new modbus query has requested.Strange things happen, on console I can see prints like "Target is not responding, retrying...".Here is my clock configur...

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npatil15 by Associate III
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STM32F3348-DISCO HRTIM DMA PWM Sine Wave

Hi all,I wanted to make a post to shine some light on how to configure the HRTIM DMA on the STM32F3348-DISCO (and probably other ICs w/ HRTIM capabilities).A few posts I've seen have boasted the same solution, but have convoluted the use of a single ...

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STM32F407ZGT6 chip marking problem

我们这次购买的芯片上没有ARM标记,右上角的版本号改成了二维码的形式。 请咨询我们的供应商,不同的产地/包装厂/批次会有所不同。但是我们的质量部门不会库存它们。 标记的变化比较大。此标记更改是否有相应的文件? Translation: There is no ARM mark on the chip we purchased this time, and the version number in the upper right corner has been changed to a QR ...

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