STM32 MCUs products

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Resolved! STM32G491 USB Composite(HID & UAC) problem

I have recently developed a USB Compoite (HID Keyborad & Audio Speaker) device using the STM32G491.I have been able to have it recognized as a Composite Device in the Windows 11 Device Manager, and I have been able to input keys and play PC sound fro...

STM32G4 SAI Data Processing in I2S Mode

Dear STM Community,I've configured the SAI on my Nucleo-G474RE board by setting the protocol to "I2S Standard" and data size to 24 bits to communicate with an external 24 bit ADC. Further, the SAI works together with the DMA to fill the buffers. Here...

abg1984 by Associate II
  • 5 replies
  • 0 kudos

SAI Problems in slave receiver mode

Hello,I am trying to read sample from a AD7768 using a STM32F767. The data is feed to the SAI peripheral at 8Mhz. I used this code

mickael2 by Associate II
  • 1 replies
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Resolved! Double buffered DMA on SAI_I2s_tx CT/TC conflict

I'm running tx and rx of SAI_I2S by double buffered DMA.I expect on double buffered DMA to change Current Target or CT register bit state to change at each Transfer Complete or TC. But on tx DMA stream it changes CT, one sample before TC. Why? But in...

Question on SAI DMA buffer

Hi Team,I am using a the SAI Peripheral from the STM32L5 family to read data from a master device. I am employing the DMA peripheral to read the data from SAI. I have a buffer of 32kb and I am using the STM board as a slave device. I am using the HAL...

Jansunil by Associate II
  • 6 replies
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Master Clock STM32H7 SAI Incorrect

Hi everyone,I am trying to get the SAI1 periperhal configured in I2S Standard mode going on the STM32H753ZI. During my testing sessions I found that my master clock is so far off it doesnt make sense. Based on the figure 652 within the TRM, it shows ...

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CLeo.1 by Senior II
  • 9 replies
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what is the limitation for buffer size in SAI DMA?

I am working on the STM32F769 series microcontroller in my project. I am using SAI interface of the mcu. And of course I also use DMA of SAI interface . I adjusted the DMA(DMA2 Stream 1) as listed below in the application :DMA Request Settings : Mode...