FAQs

STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Sign In to Post

DC32 Instruction

Posted on May 18, 2012 at 21:45 Hello -- We're trying to bring up FreeRTOS on our STM32F103c8 micro. In the function vPortStartFirstTask (file portasm.s) there is an SVC call as follows: cpsie i     0x8002efe: 0xb662         CPSIE     i  svc 0     0...

markbell9 by • Associate II
  • 1216 Views
  • 1 replies
  • 0 kudos

problem with calculating internal tempwerature with STM32F105

Posted on May 16, 2012 at 23:26Hello I have a problem with calculating internal temperature with STM32. When processor VCC is 3.3V everything is ok - temperature is almoast accurate with wide temerature range. But whet processor VCC is below 3V temp...

wadi by • Associate II
  • 642 Views
  • 2 replies
  • 0 kudos

Using cortex-m4 FPU with gcc toolchain

Posted on May 16, 2012 at 06:43Dear all, I'm using `Keil uVision` with gcc toolchain (Sourcery Codebench lite for ARM EABI) to program the `STM32F4 cortex M4` chip. The compiler control strings I have set are:     -march=armv7e-m -mfpu=fpv4-sp-d16  ...

ID Unique device ID register (96 bits) “,

Posted on May 16, 2012 at 15:12Hello,  The Cortex M3 have the �ID Unique device ID register (96 bits) �, this number give to the user application technical information about the Cortex M3 mounted in the PCB ?. Extract from the datasheet RM008 revisi...

xgarcia by • Associate
  • 984 Views
  • 4 replies
  • 0 kudos

Difficuly of implementing nand driver on STM32F205ZG

Posted on May 15, 2012 at 08:47Hi all, Now, I'm trying to implement nand driver of  SAMSUNG K9K8G08U0D (SLC, 1GBYTE) on STM32F205ZG cpu. However, it not easy to do it. First, reading device ID is OK. Second, block erase function is also OK. But,...

kpkang by • Associate
  • 962 Views
  • 2 replies
  • 0 kudos

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
  • 1700 Views
  • 12 replies
  • 0 kudos

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
  • 938 Views
  • 4 replies
  • 0 kudos

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...

Top