Resolved! stm32 canbus loopback working but normal mode Bit timing Error
hello I today trying can communication loopback mode working but normal mode bit LEC register showing timing error.
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STM32F401RET6 failed UART communication
We just found few boards failed UART communication. The debug process for this issue points to the LSI and RTC block inside the MCU STM32F401RET6. The RTC block was driven by LSI (internal RC oscillator), these boards failed to initialize the RTC blo...
Resolved! STM32F407 CAN Loopback Mode work but Normal Mode not working
Hello, I am trying to establish standard CAN communication between the sn65hvd230 IC and the stm32f4 discovery and stm32f103. While the loopback mode works fine, when it sends data to the normal mode, the output goes to 0 and then back to 1. I still ...
STM32L432 Nucleo board: ADC has -53 mV input offset ?
I'm using a STM32L432KC Nucleo board, and reading a voltage with the 12-bit ADC. On this board the ADC Vref is connected to the board 3.3V, which in this case actually measures 3.315 V. With a 12-bit resolution, I would expect that 4095 ADC counts =...
STM32L073 datasheet incomplete information
Hi,As per DS10685 Rev 7 (https://www.st.com/resource/en/datasheet/stm32l073v8.pdf), there are so much information missing, for example:1. Table 17 doesn't mention that the USB pins D+ and D- are bound to PA11 and PA12 ports, respectively, but Table 1...
Resolved! STM32L476 SPI3 Using DMA2 Chan 2. No Transmit.
Hello Everyone. My how the forum has changed. Just dropping a recent odd experience here to see if anyone might have any comments. No. I don't use CubeMx and no this isn't another 3 year anniversary item regarding initializing the DMA before any peri...
Octospi vs FMC
Hi,I am doing a new design of a board and I am wondering what is better to have as in interface for a external memory FMC or Octospi? Thank you
Resolved! STM32CubeIDE 1.13.2 not showing X-Cube-Mems1
Hi All,I have configured for STM32L071xx xx controller bare metal. I was not able to find X-Cube-Mems1 for the controller.Please me know if LIS2MDL (or Mems package) is not supported on STM32L0 series?PFA screen shot of the STM32Cube IdeThanks,Milind
Resolved! RTC clcok slow when turning on LTDC
Hi,I am using a custom board to do some application (https://www.waveshare.com/openh743i-c-package-b.htm). On this application I should turn on LTDC (to use it with touchgfx) and I am also using the RTC.When I am only using RTC alone, the RTC clock i...
Resolved! CORDIC for phase(atan2) not much faster than math.h atan2
I have two functions to calculate the phase via DFT. In both functions, real and imaginary parts are first calculated, and then the phase is determined using different methods.The first function employs the standard atan2f function from the math.h to...
