STM32 MCUs Products

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UART and USART problem

Posted on November 03, 2016 at 15:40Hi I had configured a the UART_DMA_ hyperterminal program for the evaluation board newly by cubemx and its working fine by USART_1. But whenI configured it for UART_8 for my mcu its sending the characters but I ca...

dixon by Associate II
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STM32F103CB ADC Long Term Stability / temperature drift

Posted on November 04, 2016 at 14:31Hello,We are planning to discharge a Li-Ion battery and measure the voltage of the battery with a STM32F103CB. This voltage should be used to terminate the discharge. We plan to calibrate the ADC of the STM32F103C...

STM32f4 Discovery : Target not found

Posted on November 04, 2016 at 14:32Hi guys. I was working with this board and it works well. But suddenly when i wanted to build and run my code (Attollic True Studio) into the board again it show an error that it failed to connect to ST-Link. Reas...

STM32F3-Discoveryboard confusion about LED's

Posted on November 04, 2016 at 12:42I've compiled and linked the original  sources without modifications  of the board. After upload and starting the demo with the debugger the initialisation should start with LED3. here the code snipped:  /* Initia...

hhosburg by Associate II
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I2C Multiplexer

Posted on November 03, 2016 at 16:08Hi I am triyng to use multiple MPU9250�s with Motion Driver 6.12 with STM32F4 Discovery. I am using TCA9548A 8 channel i2c multiplexer.In arduino solutionWire.beginTransmission(TCAADDR);Wire.write(1 << i);Wire.end...

ugur by Associate
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stm32f401 with vs1053b

Posted on November 04, 2016 at 11:00Hi,I am working on STM32F401 with VS1053b. VS1053b (slave) is SPI interface with SPI1 of STM32F401rct( Master).     In order to communicate the vs1053b, we need to drive two different clocks of SPI SCLK (clock) i....

Kris1 by Associate II
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STM32F7 SPI pulsed mode problem: how to leave NSS low

Posted on August 19, 2016 at 10:01Hi all,I need to interface with a common IC which needs to have the NSS low during the complete message of 32 clocks. I have all working, DMA is triggered by a timer and fills the SPI data register with the complete...

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STM32F4 USB Layout

Posted on November 04, 2016 at 08:53Hi all,i want to build my own STM32 PCB with USB connection, I want to use the USB communication for sending Data via VCP(CDC) to the PC and to programm the STM32 via DFU. Currently I'm using the discovery board a...

luk by Associate II
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  • 1 replies
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Bug on I2C mem read DMA

Posted on August 16, 2016 at 09:51HiI posted a bug weeks ago without any response so I start this thread. (/public/STe2ecommunities/mcu/Lists/STM32Java/Flat.aspx?RootFolder=https://my.st.com/public/STe2ecommunities/mcu/Lists/STM32Java/possible%20bug...

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STM32F072 battery reading

Posted on November 04, 2016 at 00:59Hi AllI have the attached circuit and I need to read the battery level using ADC_IN18. I have the following instructions:Init:  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;  ADC_InitStructure.ADC_Continu...

giulio by Associate II
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