STM32 MCUs Products

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Forum Posts

DCD_DevDisconnect doesn't work

Posted on October 20, 2013 at 23:28I have a simple task, to cause a USB disconnection and reconnection when I boot my STM32F2.I tried using DCD_DevDisconnect after initializing the core (I am using the HS core, no DMA, not in OTG mode), but my USB a...

STM32F205 in STOP mode with MCO pin

Posted on October 22, 2013 at 02:09In the STM32F205 datasheet, it says that in STOP power mode, all clocks on the 1.2V power domain are stopped. Is there anywhere I can look to see which clocks are part of the ''1.2V power domain'' ? Particularly, I...

Small LCD using SPI with a STM32F4

Posted on October 20, 2013 at 04:11Hi all,I'm at my wit's end with this little project I'm working on. I'm new to MCUs and had a few ideas on small projects that I would like to make. I've been following a guide on the STM32 and modifying bits and p...

vinnie by Associate II
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  • 5 replies
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Frequency count and Input Capture

Posted on October 21, 2013 at 16:22How can I count more then 50Mhz frequency with STM32F407 series. #prescaler #input-capture #sample #frequency-counter #frequency-counter #frequency-counter

smeric by Associate II
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  • 7 replies
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STM32F303 Flash size / Hardfault error

Posted on October 21, 2013 at 16:10Hello,I am using a : STM32F303RC (256k FLASK, 32k RAM, 8K CCRAM) gcc g++ tool chain with Eclipse. At compilation time, my firmware memory are as following:arm-none-eabi-size  --format=berkeley -t Muster.elf   text ...

stm32f4 interrupt pipeline hazard

Posted on October 21, 2013 at 10:26 Hello again, I have learned that this: void DMA2_Stream3_IRQHandler() { // Test if DMA Stream Transfer Complete interrupt if (DMA_GetITStatus(DMA2_Stream3, DMA_IT_TCIF3)) { DMA_ClearITPend...

mail2 by Associate II
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  • 3 replies
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Frequency Capture

Posted on June 08, 2013 at 12:03I am using stm32f103rbt6 for frequency capturing. I am trying to use timer1 channel1 and channel2 to capture two different frequency say 1K and 500 hertz. Once 1k frequency rising edge is detected i am reading the CCM...

aru by Associate II
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  • 3 replies
  • 0 kudos