STM32 MCUs Products

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Forum Posts

STM32F401 FSMC

Posted on May 06, 2016 at 10:44Hi all,I enabled FSMC bus on STM32F4 series controller. When nothing is connected to the bus, and when I do a write followed by read, I am getting the same data that was written. Can anyone help me understand why this ...

nps by Associate II
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  • 1 replies
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Wrong version of ST link on the ST web site

Posted on April 21, 2016 at 23:02There are problems with versions in the ST link web site.  Description:  RN0078: STM32 ST-LINK utility release 3.9 . This seems to new Download link says 3.8STSW-LINK004 3.8.0 Inside the downloaded zip-file is STM32 ...

LMI2 by Lead
  • 428 Views
  • 2 replies
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ST-Link Utility Latest Version 3.9?

Posted on April 18, 2016 at 17:49I can only find ST-Link Utility  version 3.8 on the website.  There is a PDF with a note that says that the latest is ST-Link Utility 3.9.     Could someone post a link to the latest version?

jimd04 by Associate II
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  • 3 replies
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STM32F3 PWM output problem

Posted on May 09, 2016 at 13:29Hi everybody, I am trying to use the PWM Output feat of the board's timers. In particular, I am trying to use TIM3 to drive some DC motors. I found an example in the CubeMX material which used the same timer to do thi...

adriano by Associate II
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  • 1 replies
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F107 & LAN8720

Posted on May 09, 2016 at 09:30Hello, Why Lan8720A is usually used with F407, I want to use it with F107, are there limitations with F107?

flash libraries missing after cube generation

Posted on May 04, 2016 at 16:51I am using the Cube to generate some code which will use HAL and access the flash memory for an STM32F446ZET6.  I do not see any selections regarding flash in the Cube interface. After I generate the code a lot of key ...

STemwin: activate touch button with extern button

Posted on April 28, 2016 at 13:06Hey community, I am using StemWin 5.28 on the STM32f429 DISC1 board. I created a Windows with the GUIBuilder. This windows contains a button with the text ''start''. If I press the button something should happen. Thi...

stm32F746 + sdram problem

Posted on December 01, 2015 at 16:24Hi,I have an stm32F746 configured to run @ 216-MHz. My primary memory is an sdram configured on the block 2 (address 0xD0000000).My memory tests (running from the flash) are all OK (many different tests under diff...

Question on GPIO

Posted on May 08, 2016 at 05:21Hi all,I have seen a code where a GPIO pin is configured as output in push-pull mode but the pin is driven by an external circuit to low some times (essentially shorting the top transistor to GND). Is it safe to implem...

nps by Associate II
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  • 3 replies
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STM32L1 : interrupts not fired during flash programming

Posted on May 01, 2016 at 23:19Hi, I experiment a strange behaviour while saving some data in flash: Some interrupts are not fired as they are when not flashing. Timer11 is ''nearly ok'', tick is not, uart reception is not. The joined logic analyzer...

JulienD by Senior
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  • 9 replies
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