STM32 MCUs Products

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USB problems

Posted on January 05, 2017 at 13:59Hello,I use a TUSB2046BVF to connect a host (tablet) to 2 USB connectors and 2 micros, one is STM32F103 and the otherSTM32F107, and I can only operate the 103 when I remove the pull-up resistor at 107.The other por...

STM32CubeF1 startup file

Posted on January 21, 2017 at 18:40Hi,I downloaded stm32cubef1 firmware package.  I am using examples on STM3210E_EVAL projects.  With the EWARM(IAR embedded workbend for ARM), I see all examples use startup_stm32f103xg.s as start up file.I am using...

Preferred method for determing hardware at runtime?

Posted on January 21, 2017 at 04:50You want us to use the HAL, ok fine.  We use the HAL. But we still often times need to know what hardware we are running on. What is the factory approved method for determining which board/chip is running?Where is ...

stm32 can1 cannot receive 22 frame messages totally

Posted on January 23, 2017 at 09:29Hi guys:There are 1 master and 22 slaves,both cpu are stm32,The 22 salves address are 1.2……22,The address number are included in the can Extend ID.The master has 2 cans, can1 and can2.When the master sent the query...

BeMercy by Associate II
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ADC I2C Problem

Posted on January 18, 2017 at 03:16HelloI have project MP3 using STM32F030C8.MP3 decoder using I2C interface and user key using ADC. So, beginning of my prototype use STM32L0 series, it already done and no problem at all. After that I change to STM3...

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dree86 by Associate II
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How to Reset the DMA receiving buffer

Posted on January 23, 2017 at 00:31 I am not dealing with continuous streaming of data, I just send a command to the connected device and wait a reply on the UART using DMA. Now using DMA I can only start seeing data after a while, say 1sec!!. I ...

Raider E by Associate III
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Problem with driver for STM32F407 discovery board

Posted on January 21, 2017 at 10:00Hello, i have a problem with connect stm32f407 discovery board to pc. My pc running on windows 7 64bit with board driver install(http://www.st.com/en/embedded-software/stsw-link009.html ) .  But my pc didn't found ...