STM32 MCUs Products

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entering standby at WKUP pin is high

Posted on October 01, 2015 at 09:30hiPlease see the attached file.I use STM32L151QE PA0(WKUP1) for external wakeups from Standby Mode, CASE1 is wakeup OK, but CASE2  is wakeup NG.I know WKUP1=High  and entering standby, then the device will not wake...

hosoi by Associate II
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  • 4 replies
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CM7_ITCMCR value of STM32F7

Posted on October 07, 2015 at 03:51Hello experts, I have a question about CM7_ITCMCR value of STM32F7. I am using STM32CubeF7 and I checked the CM7_ITCMCR value at the entry of the main function. The value was 0x73 and this means ITCM size is 8MB. H...

dqi07234 by Associate II
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  • 2 replies
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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...

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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