Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on May 30, 2016 at 16:28The STM32F7 onboard DAC is only 12 bits. I only need mono audio input. Suppose I drive the left ADC input directly and the right from an op amp gain stage of say x16 and then combine the lowest 4 bits of R with left-...
Posted on May 31, 2016 at 11:19Hello, even the V2.1.1 headers for the F2 family still define HASH_RNG_IRQn for the F20x devices that don't have the crypto feature. The F20x header should use RNG_IRQn. Regards #stm32f20x #headers
Posted on October 31, 2015 at 15:42 Hello there! I have designed a custom board, and what I'd like to do is that when I press the UserButton, a LED lights up.Now, my button is connected to PC0 pin on my STM32F429 controller, and the LED i...
Posted on May 25, 2016 at 13:00Good morning,Whenever I connect my board via usb, the COM LED lights up solid blue and the LD2 lights up solid green. Does this indicate an error (I'm asking because I haven't been able to get the board to work for a c...
Posted on May 26, 2016 at 03:06When I try to program flash, I can erase it OK and at the end of erasing I clear the FLASH_CR_PER bit in the FLASH->CR register.When I come to program a pair of half words, I get no errors (FLASH_SR_WRPERR and FLASH_SR...
Posted on May 30, 2016 at 21:08 Hi, how can i do to jump (with gcc inline assembly on cortex M3/M4) to main after an interrupt. I don't want to use flag in my case. void my_interrupt( void ) { __asm__ __volatile__ ( ''instruction1 to jump to...
Posted on May 30, 2016 at 18:38I just purchased a STM32F429I discovery board. I need to modify the provided software to produce a custom graphics demo for my client. I downloaded tools from the Keil link on the ST-site, but the libraries are much ...
Posted on May 30, 2016 at 19:56 Hello everyone, I have some serious problems i want to send an array of data with SPI but that doesn't work i used the code from the snippet but i changed it a little bit but it doesn't work also in the cod...
Posted on May 27, 2016 at 15:16Hello, I'm calibrating my MSI clock when I'm switching frequencies, and I noticed that whenever I write a value to MSITRIM register, MSICAL automatically changes value too. The reference maual states that this is a rea...
Posted on May 30, 2016 at 14:26Hi i am using stm32f4 and i would like to know, Is there a way to identify how many times stm32f4 resets using independent watchdog ?
