STM32 MCUs Products

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Forum Posts

2x DMA vs. 1x DMA

Posted on October 02, 2015 at 21:16Some of the MCUs have 2 DMAs (12 channels), while others have 1 DMA (7 channels). What are benefits of 2 DMAs, except number of channels? Do DMA1 and DMA2 (in case of two DMAs) share the same bus, or do they have s...

matic by Associate III
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  • 8 replies
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Read Out Protection, Update Bootloader.

Posted on October 07, 2015 at 21:57Dear all.I want to ask about the Read Out Protection of STM32.I don't make sure can ask you here or not. If that make effect on you. I will so sorry for your inconvenience.Now my Situation is:1/ I have a board with...

Send file via bluetooth

Posted on October 07, 2015 at 11:04Hi ! Could someone tell me how prepare file to send it via bluetooth (WT12) from uC (stm32f429) to for example computer ? Now I have bitmap in array form but need I convert it to windows bmp format ? Any suggestion...

mgieroba9 by Associate II
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  • 1 replies
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stm32f103

Posted on September 15, 2015 at 06:39hi ,currently i am using stm32f103 device for my project.i am facing unique issue with device is that my application works perfectly when i use in debug mode (using jtag) and in standalone mode it just does not w...

kiran2 by Associate II
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  • 8 replies
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UART Tx and Rx problem

Posted on October 02, 2015 at 15:16Hi Guys,I am working on STM32F746G-Disco Board and I am a fresher on this topic.I have connected the STM32F746 with a WiFi module(SPWF01SC.11) through UART then it is connected to my mobile phone through wifi.When ...

Nandy K by Associate II
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  • 1 replies
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Can't launch stm32f107x_cl from external clock

Posted on October 07, 2015 at 11:42 In my project with stm32f107 i use 25 MHz quartz crystal multiplying it to 48 MHz. In IAR project preprocessor options i defined: STM32F107 STM32F10X_CL In stm32f10x.h i defined: #define HS...