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Resolved! DMA1 Stream7 DMA2 Stream7

Hi I m using SPI DMA on H7 series, and notice under SPIx_TX and SPIx_RX there are at least 14 DMA channels to choose from, i.e DMA1 Stream 0-7 and DMA2 0-7. Can i select these "channel"  randomly or is there a reference manual that state otherwise? L...

Resolved! STM32 H5 I3C CCC transmit

I used STM32H563 transmit a message through I3C CCC direct.I create a new CCC command "0xA0".Control send the command to target.But target will enter HAL_I3C_ER_IRQHandlerUesd the general command "0x89".The target can receive this command. The Buffer...

Sunwaz_0-1708916889390.png
Sunwaz by Associate III
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STM32U5A5: SAI1 as PDM MIC interface

Does anybody have an example code how to use SAI in STM32U5A5 as PDM interface?I use STM32U5A5, with LQFP64 package. So, I understand from datasheet: the SAI (I have just SAI1 available om pins), supports PDM interface (for MEMS MICs). My package has...

UART not working

I have an STM32WB55CGU6 on a custom board with a 32MHz HSE. I'm using low power uart1 with PA2 & PA3 pins. My settings for it are: - baud rate 9600- word length 8 bits- 1  stop bit- parity noneIt won't transmit. Cube doesn't receive it, any terminal ...

JS8 by Senior
  • 1920 Views
  • 9 replies
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ST-LINK/V2 LPUART Connection

I tried to set up a UART connection from my custom board to my PC but encountered some problems and after a bit of probing, it seems that UART TX and UART RX are connected to GND. Do I need to enable UART somewhere for the ST-LINK ? Also why do some ...

JS8_2-1709793600969.png
JS8 by Senior
  • 2210 Views
  • 2 replies
  • 1 kudos