STM32 MCUs Products

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Forum Posts

Need for Backup registers > 4KBytes

Posted on May 15, 2012 at 19:31I wonder if someone could help me. I need to save, to retain ''some'' variables of my applications, but the 4Kbytes from the Backup registers is too few for what I need. So I would like to ask if there is another way t...

tecnico23 by Associate II
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  • 12 replies
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Slope of internal temperature sensor

Posted on April 10, 2012 at 11:25Hello, we are using the microcontroller STM32F100C6T7 in our design. While trying to do something with the internal temperature sensor we noticed that the slope we measured doesn't correspond with the specified slope...

kbroger by Associate
  • 931 Views
  • 4 replies
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not getting DMA interrupts for some reason

Posted on May 15, 2012 at 17:13i've faced a couple of problems, trying to launch a MT9D111 camera along with STM32F217ZG microcontroller through DCMI interface. I've got all the interrupts from DCMI, but i can't catch any interrupt from DMA, althoug...

Determining the value of VECT_TAB_OFFSET

Posted on May 15, 2012 at 02:39I recently had a problem where my SysTick_Handler wasn't firing.  The solution was to change the VECT_TAB_OFFSET from 0x00 to 0x4000.  How does one determine what his value should be?  If it can be different based on o...

mfranklin by Associate III
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  • 1 replies
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Problem of 3-Wire Fan Speed Measurement & Control

Posted on May 13, 2012 at 12:58Recently I was designing a subsystem of closed loop fan control.  This diagram shows the method: using a channel of PWM to control the speed (GND method), and a channel of capture module to measure fan speed. The box o...

0690X00000602l3QAA.jpg 0690X00000602kyQAA.jpg

Failure loading STLinkUSBDriver.dll

Posted on May 13, 2012 at 22:33did a google search none of the links worked. I installed st-link_v2_usbdriver.zip, ST-LINK_Utility_V2.2Patchv10.zip I searched my computer for STLinkUSBDriver.dll and could not find it. I was able to install the STLin...

bjfree by Associate II
  • 2681 Views
  • 8 replies
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the throughput of the FSMC in STM32F4XX

Posted on May 14, 2012 at 12:55In my project we want use STM32F4xx, we wonder to know the throughput(max access speed) of the FSMC in STM32F4XX with the condition of the max working frequency(168MHz) of the CORE. #throughput-stm32f4xx-fsmc #rtfm

live1223 by Associate
  • 842 Views
  • 1 replies
  • 0 kudos