Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on May 12, 2017 at 11:28Hello,I use an STM32L442 in my project. I use LSE for RTC and i also use LSECSS. Even though I used a battery in VBAT pin for RTC clock, the RTC values were lost when i powered it up. After a long debugging session i f...
Posted on May 11, 2017 at 22:51I am using the STM32L437 part and I run into some confusion with SysTick. I set up the SysTick to run at 1ms with timer 5 as Timebase source (for comparison). As a sanity check, I also set up timers 3, 4, 6 and 7 indep...
Posted on May 11, 2017 at 09:25 Hi to everyone, I am a newbie in STM32 programation and I m not actually sure that is the right way to ask my question... I hope I can find some help because I have some issues just for basic stuff. Here is a l...
Posted on May 11, 2017 at 16:04Suppose there's a table with two columns: column A has the destination address and column B has the value I want to write to the destination. (Destination addresses in column A are NOT contiguous) Is there any way to d...
Posted on March 15, 2017 at 06:23After upgrade to STM32Cube_FW_F4_V1.15.0, my projects broken. The SD card won't work and the Lwip won't work, wonder if ST has done some 'test' before release their lib.!!!!!!!!
Posted on May 09, 2017 at 11:18 Dear community, I am using STM32F746 Discovery and the IDE is Keil C. I have a problem with Keil C Compiler. My project have 2 parts: Part 1. Get pictures (BMP) from SD Card and print to LCD screen. It is wo...
Posted on May 10, 2017 at 15:23I want to use STM32CubeMX to create a project for the new board STM32L4 IoT Node Kit. There is this zip archive that is part of the s/w that is on the web page associated with the board. How is it applied to the STM23C...
Posted on May 11, 2017 at 12:31Hi. We use STM32F107 and our customer now wants to include the feature of reprogramming (SW updates) the MCU via Ethernet? How can this be achieved? If 'not possible' with this MCU, are there any other STM32-family MCU...
Posted on May 10, 2017 at 15:29 Hi all, we are working on our second custom boardfor our product, using STM32F446RET6 MCU, 8MHz HSE and 746Hz LSE external crystals. From the first board to this one the only difference it's that all needed chip...
Posted on May 09, 2017 at 13:05Hi,I'm not really an expert in CAN protocol communication but I know minimum about it. I read some forums which talk about transceiver and controller, which are necessary to communicate into CAN protocol. So I take a M...
