Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on December 06, 2016 at 11:44Hi, I'am working on STM32L486RG MCU and I'am using RTC to get the real time value.I know that ST provides 2 RTC format for the time : the RTC_FORMAT_BIN and RTC_FORMAT_BCD ( as defined in the HAL ). I know the dif...
Posted on December 01, 2016 at 23:27Hello everyone. I am a new member to this forum and this is my first use of STM32 products. I'm developing on the STM32L0 Discovery board and building off the LPTIM Timeout Example. Is it possible to start the LPT...
Posted on December 05, 2016 at 18:13ST document numbers/Titles?UM1734: I have this. I want to see if I have the latest revision so ----All along the bottom of each page is 'DocID025934 Rev 3'1. Doing a SITE SEARCH for 'DocID025934' or parts of it tu...
Posted on November 30, 2016 at 18:41Hi,I am using fatfs sdio with my stm32f429 mcu. When i use f_open function in main loop it works well, but when i use it in timer interrupt callback function it fails, it does not return from fatfs. what can the r...
Posted on November 29, 2016 at 13:23if i call the assembly instruction ''sub sp, sp, 0xF8'' alias ''BE B0'' (instruction code), the code is executed as a ''nop''. Checked with F103 and L471. Does anyone know about that or can confirm this? Is the as...
Posted on November 29, 2016 at 12:43Hi All, I need to use an stm2f411 embedded flash as little file system. There will be about 20 small files on it. I found the uffs file system which is seems to be good for this. I found some information in stm32...
Posted on November 18, 2016 at 04:52STM32L476RG on Nucleo - Porting over the example from EVAL board with 8Mhz Crystal STM32CubeL4 - HAL demo. If using the HSE with an input source of 8Mhz supplied by STlink, 1. I believe I need to set HSEBYP = 1 f...
Posted on September 21, 2016 at 18:14I'm about to start a USB project. New to me with STM. I am using an STM32L476RG on a Nucleo board. (Yes we're cheap). I see LOTS of opportunity for myself. Lots of GOOD and LOTS of UNKNOWN. The LOTS of UNKNOWN c...
Posted on August 29, 2016 at 22:49Hi, I'm using the USB port in CDC with STM32F072 device. I'm using the F0 STM32Cube package version 1.5.0 At power up, if the device in not USB connected to a host, it goes in infinite loop in the USB_IRQHandler fun...
Posted on November 28, 2016 at 23:45Hi guys,Why would I update the firmware using the IAP instead of the ICP?I'm thinking about connecting an STM32F4 uController to a BeagleBone and I want to have the capability to update the firmware on the STM32F4...
