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Bipolar output from stm32g4 DAC.

Hello, I want to use external audio op amp, OPA1622 of TI. As in the attached photo, this opamp works using bipolar input. So, please guide me how is that possible using the output of STM32G4 DAC. Regards.

Sgupt.1 by • Associate
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  • 2 replies
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Optimizing wake up time STM32L0.

I am trying to get an STM32L0 MCU to startup as quickly as possible. The datasheet says 5us wake up time from flash memory, but I am getting nowhere close to this. I loaded a super simple program that just toggles a GPIO and watched it on a logic ana...

TAnde.6 by • Associate II
  • 1772 Views
  • 6 replies
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Resolved! Is this a legit reason to use a global variable?

I understand the general concept of why global variables are not a great idea but I have a specific use that may make sense and I'd like to see if anyone has a better approach.I time stamp a lot of events in my applications and also calculate time in...

magene by • Senior II
  • 1818 Views
  • 8 replies
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Feeding the next buffer to SAI DMA

Sorry if this has been answered elsewhere, but I'm not seeing it. For background, I do a lot of work with Nordic, and in their I2S implementation, you feed two buffers to the peripheral, then every time a buffer has been transmitted/received, it swi...

jw56 by • Associate III
  • 1777 Views
  • 5 replies
  • 0 kudos

Multiple usart using DMA

Hi,Am working on a STM32F745VG micro controller and i want to use multiple uart using dma. Majorly facing issue at the reception side.When i try to receive data from uart 1 sometimes my uart 2 also receive the same data.Even though their handler are ...

Divyanshu by • Associate II
  • 3376 Views
  • 6 replies
  • 0 kudos

Resolved! Example of SDMMC on STM32H757 i-EVAL Board

Hi everyone .I'm looking for a demo code to run the SD card (16gb) with FatFs on the STM32H757 i-EVAL Board.When I generate it with CubeMx the demonstration doesn't work (I didn't forget to activate the transiver)Thanks you =)

Tteva.1 by • Associate II
  • 1763 Views
  • 4 replies
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