STM32 MCUs Products

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Broken board?

Posted on May 30, 2018 at 16:37I have a problem with my f429I-DISCO board. When I plug it into USB, it doesn't power up and the MCU gets very hot in a few seconds. But if I remove JP3, the board powers up normally, doesn't get hot, but when I try to...

cpu utilities

Posted on May 30, 2018 at 05:39Anyone ever use the CPU utilities in the Utilities section of the repository?I cannot find much in the way of documentation nor is there much in a search?

F3 Discovery: what is slow red flash on LD2

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

main program accelerometer and UART

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 ...

Input Capture on very high frequency

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...

low latency signal generation using timer and DMA

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...

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Boot0 Pin

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 ?