STM32 MCUs Products

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Forum Posts

Running code from RAM

Posted on September 16, 2013 at 22:20Hi all!I am wondering if anyone has tried jumping from flash code to an entire project in internal SRAM without resetting (so no memory remap / boot0/boot1 config is required). I am working on the STM32F417, and ...

slal by Associate III
  • 2878 Views
  • 14 replies
  • 1 kudos

Query about STM32F2

Posted on October 08, 2013 at 13:581. What is the purpose of internal regulator, to what it provides voltage - to core? What does pin vcap1 & vcap2 has to do with it. I read that 0.1uf or 2.2uf cap to connected depending on regulstor used or not. 2....

JTAG vs Serial Wire

Posted on May 13, 2013 at 19:46I'm using the STM32F407 in a new design and due to a conflict of peripheral pin assignments (Why isnt there more clk pin assignment flexibility?) I cannot use the JTDO pin of the device for JTAG. I think my only option...

Flash Memory: crash on write access

Posted on October 07, 2013 at 18:11 Hi I'm trying to write to the Flash ROM on my STM32F3 board (256k). Erasing a page works fine, but when I try to write a word (or half word), the MCU crashes. I'm doing what the standard peripheral l...

stm32L discovery onboard st-link

Posted on October 06, 2013 at 23:12Hi, I've got a question about using ST-LINK/V2 to program/debug an external application: if onboard st-link can be used only for MCUs from STM32L1 series or from other series too? I'm asking because in UM1079 it is...

kkkuba by Associate II
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  • 3 replies
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STM32F205 Flash Programming

Posted on October 18, 2012 at 20:11To erase a sector, follow the procedure below:1. Check that no Flash memory operation is ongoing by checking the BSY bit in the FLASH_SR register2. Set the SER bit and select the sector (out of the 12 sectors in th...

ramv by Associate II
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  • 8 replies
  • 0 kudos

SDIO high-speed problem

Posted on October 07, 2013 at 07:24hi there,first,apologized for my poor English.I'm a beginner of STM MCU.I have a problem when I want to turn on SD card High-speed mode.I port FATFS on my board successfully and I can send data into my SDHC card su...

RTC with LSI working ... sometimes ...

Posted on October 05, 2013 at 17:36 Hi all, I need a bit help, since I can't get the RTC based on LSI making a robust timer. I try to generate an interrupt every 10 seconds. Here the code that concerns the RTC : void m...

Kuikui by Associate III
  • 306 Views
  • 1 replies
  • 0 kudos