Resolved! Debugging using UART on STM32H753
Hi, Can we use any UART /USART port for debugging? or any dedicated port only i have to allocate for debugging purpose? what are the main application where USART can be used and UART cannot be used?
STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
Resolved! Understand bxCAN TX mailbox
Hi all I want to understand behavior of TX mailbox here I am trying to send three ID but only i able to see two ID at a time in TI0R. I have fewer doubts which I hope you can clear. Doubt 1: Do I have to use three different mail box for three ID or ...
Resolved! The use of BIST receive mode bit in UCPD of STM32G474
I don't know the function of the BIST receive mode bits in the picture. According to the description, when this bit is enabled, the protocol layer cannot receive data. So, what does this model do? Please help me resolve this confusion. Thanks *T...
Resolved! STM32H753 Boot From External eMMC Memory?
Hi,I am using STM32H753XI in my ongoing design. We are using most of the timers and internal ADCs in our application. So it is very tough for me accommodate both external eMMC and NOR flash interface. My question is, Can we boot STM32H753 with exter...
STM32VBT6 bootloader memory alignement
Hello,I am writing a programm for a raspi cm4 to flash a programm on an STM32 using the UART bootloader. The raspi parses some hex file that I want to flash and sends data packets to the bootloader using the 0x31 write command. Here is what I have ac...
Precise SPI Timing with Timer and DMA on H7
Hello everyoneI need to implement a protocol for an external ADC. An SPI read with 22 bits should be triggered via a timer in a 4us cycle. My procedure:TIM2 triggers a DMA transfer from the TxBuffer into the SPI->TXDR (with some zeros)Since CSTA...
Example of Audio data Receiving and Transmitting using Stm32F407G-DISC Board
Hi,We need an example configuration code with details of Audio data Received and getting Transmitted using Stm32F407G-DISC Board.In that example if it could have the details of without using any other External things how to receive the audio data thr...
Resolved! STM32H745 Not Connecting - "No STM32 Target Found" Error
I am facing an issue where my STM32H7 board is not detected using STM32CubeProgrammer. I am using an STLINK-V3SET programmer, and the following error keeps appearing: Error log: 17:04:59 : UR connection mode is defined with the HWrst reset mode17:0...
Resolved! Having Issues with classic CAN on STM32H745
Hello Team,We got our board booted up recently and Currently testing out CAN with classic mode. All our external devices support Classic CAN mode and even after configuring it with 500kps, It doesn't seem to transmit data.Please, find the attached MX...
SRST error when trying to run openocd on stm32f4
i got a stm32f4 and wrote some code to it, then tried to run openocd and got this error my openocd.cfgnote - i reflashed the stlink a couple of times and changed it to jlink(and then back to stlink) so that might have something to do with it.would v...
