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What actions are required on DMA complete?

Hi - I'm learning DMA, and am having some trouble. (L4, but this applies to most/all STM32s)For SPI, the RM States this:"To close communication it is mandatory to follow these steps in order: 1. Disable DMA streams for Tx and Rx in the DMA registers,...

DOCon.1 by Senior
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uart dma transmission issue

i am using stm32h743 microcontroller ,in this i am working on the uart in dma mode for receiver i am using circular mode and for transmitter i am using normal mode. the communication is working in the first time , when i am trying to transmit the dat...

AMuru.1 by Associate
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STM32F072RBT6 part Unavailability

We are looking for STM32F072RBT6 part but it is out of stock at many places. Can anyone suggest source for the same IC.Any alternative part suggestion would also be helpful. Thank you in advance.I am sorry if this is not the right place to post this ...

J75888.1 by Associate II
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STM32 HAL_SAI_Receive() in ISR gets stuck.

Hi, i'm trying to get a value from a microphone using HAL_SAI_Receive() in blocking mode. I'm trying to write a program that receives a value from the mic connected to the SAI block. The HAL_SAI_Receive() is called in an ISR but when the program is r...

RBamf.1 by Associate III
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Resolved! Web page inconsistency STM32F7x5 caching

https://www.st.com/en/microcontrollers-microprocessors/stm32f7x5.htmlTop of page talks about I/D cache being 4K+4Kon sub pages becomes 16K + 16K for 32K total https://www.st.com/en/microcontrollers-microprocessors/stm32f765vi.html 

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Resolved! Nucleo-F042k Doesn't Seem to Function

I just received (about 4 hours ago) 2 Nucleo-F042K6 boards. I tried to a LED blinker program but both units hang in the Clock Configuration routine. Strange that both units exhibit the same behavior. I'm wondering if I missed something. I used C...

DIngr.1 by Associate II
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DMA burst mode dont work correctly

I want to generate an arbitrary wave form on channel1 and channel2 of timer1. I use dma burst mode and other:MCU: STM32f401CCU6Frequency: 84 MhzTIM1 PSC: 84-1TIM1 Counter Mode: Center aligned mode 1TIM1 RCR: 1TIM1 ARR: 1000TIM1 frequency is 500 and t...

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eqbal by Associate II
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