Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on October 04, 2015 at 17:07 Hi all, I am not sure about a DMA config for DAC on STM32F2. Could you please tell me if I made an error using 8bits words with this DMA config? Especially with DAC base address? #define BUFF...
Posted on October 08, 2015 at 11:44 Hello. There's an issue in MBED's spi_api.c file. Function void spi_frequency(spi_t *obj, int hz) line baud_rate = __builtin_ffs(divisor) - 1; The problem is this line makes a...
Posted on August 11, 2015 at 12:00Hello,I'm using nucleo-l053r8 for my project. I have to make a data logger application with a sensor. Here i have developed my code in mbed tool. I also store the values in SD card. Now my task is to make my own cus...
Posted on January 30, 2013 at 15:17Hi, we have a problem with the STOP mode of the STM32F3. We have the feeling, that the F3 immediately returns from STOP mode, if ANY interrupt is enabled and has been activated before entering the STOP mode. The se...
Posted on April 24, 2014 at 11:34Hi All, I am designing the Heat Meter with STM32L053 now. So have you released STM32L053 Standard Peripheral Library yet please? It is very important to speed up our design schedule. Thanks. #stm32l053
Posted on October 01, 2015 at 09:30hiPlease see the attached file.I use STM32L151QE PA0(WKUP1) for external wakeups from Standby Mode, CASE1 is wakeup OK, but CASE2 is wakeup NG.I know WKUP1=High and entering standby, then the device will not wake...
Posted on October 07, 2015 at 03:51Hello experts, I have a question about CM7_ITCMCR value of STM32F7. I am using STM32CubeF7 and I checked the CM7_ITCMCR value at the entry of the main function. The value was 0x73 and this means ITCM size is 8MB. H...
Posted on October 02, 2015 at 21:16Some of the MCUs have 2 DMAs (12 channels), while others have 1 DMA (7 channels). What are benefits of 2 DMAs, except number of channels? Do DMA1 and DMA2 (in case of two DMAs) share the same bus, or do they have s...
Posted on October 06, 2015 at 11:47 OverviewThe https://github.com/gnuarmeclipse includes a set of open source Eclipse plug-ins and tools to create/build/debug/manage ARM (32-bit) and AArch64 (64-bit) applications and static/shared libraries, using...
Posted on October 07, 2015 at 21:57Dear all.I want to ask about the Read Out Protection of STM32.I don't make sure can ask you here or not. If that make effect on you. I will so sorry for your inconvenience.Now my Situation is:1/ I have a board with...
