Posted on February 04, 2015 at 10:01Whenever my F3 Discovery board is powered by 5V (no USB) I get a slow red flash on LD2. I can't find any info on what this means. Maybe it just means there's power but no USB? Thanks for your help, Colin
Posted on May 30, 2018 at 12:35good morning I am a newbie in STM32F4 and keil uVision 5 or atollicwas to consult about the program that is loaded on the card, does anyone have an example of using the accelerometer? to then execute the accelerometer ...
Posted on May 29, 2018 at 15:25 Good day everyone, I'm trying to create a typedef for array in a header file. The size of this array should be defined by a macro from another header file. A quick snippet of my code is as follows: HTPA.h ...
Posted on May 29, 2018 at 09:43 Hi All, I am now working on STM32F071 running at 48MHz. I would like to use timer to capture a signal at frequency higher than 400KHz. Originally I use the input capture interrupt to read the period and duty cycl...
Posted on April 30, 2018 at 21:20Hey everyone,I used a one pulse mode master signal that triggers a slave timer. The slave timer then generates a one pulse waveform with repetition counter set to 5.I want to generate the signal above, It receives a...
Posted on May 30, 2018 at 06:41what happen if I don't push the boot0 pin on Vdd or pull it to Vss, just let it float ?
Posted on May 29, 2018 at 23:32The documentation for the STM32 F072 is inconsistent:Section 3.5.4:'• Standby modeThe Standby mode is used to achieve the lowest power consumption. The internalvoltage regulator is switched off so that the entire 1.8...
Posted on May 30, 2018 at 11:27Hi,sorry, if this forum is the wrong place, but I did not find a better one :)In AN3155 (USART protocol used in the STM32 bootloader; DocID17066 Rev 7) on page 7 it is written:2. for each command the host sends a byte ...
Posted on May 30, 2018 at 06:24Hello ST engineers,I have some questions about ADC of MCU STM32F302RC, please help to answer.In our application, operating voltage of MCU is 3.3V (VDD=VDDA=3.3V). In firmware, we want to use VREFINT of ADC to calculate...
Posted on April 23, 2018 at 13:28Hi,I am developing a custome board with the stm32f427.I cannot get the USB to connect to the PC. I allways get the number 43 error 'USB device unknown'The builtin bootloader is loaded and I can see the code running o...
