STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
Can the STM32F4 controller allow for two DMA requests on the same peripheral? If not, how can the DMAMUX be utilized to allow such a case?
Using an STM32F429 board, I am attempting to enable DMA transfers for the UART8 TX and RX. However, while reading the data sheet, I found the following DMA channel/stream mapping: You'll note that for the UART8 TX and RX DMA request, both requests li...
Why would a project using Uart only work while connecting the USB (StLink) cable to a particular computer?
The project uses a Nucleo board with a STM32H723NG on it. I have adapted the NX_TCP_Server project and I am using Usart2 as a port to send and get data from a device that is then transferred over TCP. This all works fine when connected to the deskt...
UART Transmission Using DMA Can Only Transfer Once (Not Using Interrupts)
I am working on a project that requires UART transmission using DMA. I am attempting to do this solely through register manipulation. Currently I am only able to transmit data using DMA transfer once, but when I try and send again, the UART sends not...
SPI transmission with DMA and a timer sending the DMA request
Hello,I would be glad to doublecheck with you how to implement the following operation with the STM32L476RG uC: I would like to transmit a set of data to a DAC (AD5541) with SPI and the SPI data shall be moved from meomory to the SPI peripheral with ...
Problems changing settings for different ADC sources
HiI’m having some problems using the ADC on external and internal signals with different requirements.It and old design having a new MCU (STM32L452RCT), where only the MCU interface are updated, the application are (almost) unchanged. The PCB are in ...
Resolved! How can ı use the FPU (Floating Point Unit) in STM32F407?
Hİ. I have been working on motor control applications. There are PID, FOC and SVPWM blocks that have contain functions like sin(), cos(), clarke(), park() etc. I used CMSIS DSP library called "arm_mat.h". My microprocessor is STM32F407 M4. I can cont...
"Port Open and try to configure the board"
Hello!I am having trouble when connecting STM32 to Motor Pilot. I am using F302R8 control board and IHM07M1 as power board. I can see the port in Decive Manager and it says it is port COM5, but when I connect through COM5 from Motor Pilot I get the m...
Incorrect interrupt time
Hi everyone,I'm using Nucleo H723 board. I have used 8 timers in encoder mode to read the encoders. I have also activated another timer to make an interrupt every 4ms to send the data via Usart.everything work good but when I use sprint code to put t...
