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STM32 SAI in TDM-4 Mode

Hi, Im trying to connect adau1772 using TDM-4 Protocol to an STM32 MCU (L462RE).Question 1: How to configure SAI as TDM-4, is my configuration wrong?Question 2: Correct callback which occures when data packed is received?Question 3: adau1772 is putti...

SYako by Associate III
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  • 5 replies
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capacitor does nut fully charge

hi I have a 1000uF capacitor and a blue pill STM32F103c8t6. I connected the positive end of cap to PB9 and the negative end to GND. then I had the code below inside while(1) loop///////////////////////////CHARGE////////////////////////////////// HAL_...

Ala by Senior
  • 1042 Views
  • 7 replies
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STM32L433 IWDG wakes up from SHUTDOWN Mode

In my use-case i want to have a watch-dog active when the device is in use to prevent software stucks or accidental ending in endless loops. Therefore i have configured the IWDG like this:void hw_IWDG_Init(void){   IwdgHandle.Instance = IWDG; IwdgH...

need help understanding Vref / Vdda

I'm trying to find what voltage reference my ADC is using, as it is not going up to 0xFFF. Along the line, I have become quite confused about the Vref - I used to use other chips where the Vref is just a reference voltage for the ADC, but with STM32 ...

deep_rune by Associate III
  • 10116 Views
  • 15 replies
  • 1 kudos

STM32F446 does not receive SPDIF data

Hi,I'm trying to use a STM32F446 to receive some SPDIF-data. There are no complicated things to be done with the received data, just a few simple calculations. Unfortunately I do not receive anything at the moment.I have configured the SPDIF-interfac...

How to disable/MASK an exti line?

Try to implement an atomtic operation to avoid a specific interrupt generated by GPIOB GPIO_PIN_8 . If using the code as below, it works.​HAL_NVIC_DisableIRQ(EXTI9_5_IRQn); ​//atomtic operation​HAL_NVIC_EnableIRQ(EXTI9_5_IRQn); ​But tried the code as...

BZhu.4 by Associate II
  • 1864 Views
  • 7 replies
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stm32f407 - Question of i2s clock frequency

Hi, I'd like to play music through i2s interface using external audio codec.Refer to "STM32F4xx Reference Manual", Below setting is needed if MCLK is enabled on 48Khz FS.PLLI2SN : 258 PLLI2SR : 3 I2SDIV : 3I2SODD : 1After I configured above, BCLK and...

SJoo.1 by Associate II
  • 2131 Views
  • 6 replies
  • 0 kudos