STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! STM32H743: DMA error for SAI interface

Hi all,I'm currently working on a STM32H743. The idea is to use a SAI peripherals to read an Audio stream:The SAI is set to be a Master receive with a circular buffer and a DMAThe issue is that as soon as the HAL_SAI_Receive_DMA is called, then the c...

Pmica.1 by Associate II
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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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  • 6 replies
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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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  • 6 replies
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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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