STM32 MCUs Products

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STM32f217IG SPI Master MISO question

Posted on June 07, 2012 at 08:55I have read through many posts about SPI problems and configuration questions.  I feel I have everything configured correctly, however I do not receive any data transferred across the MISO line.  Below shows the confi...

rmpresto by Associate II
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I2C problem

Posted on December 03, 2012 at 10:23I am a beginner about the microcontoroller. I use STBee. I want to connect a STBee and a sensor(IMU 6DOF ITG3200/ADXL345). At first I want to let you display a value of the x-axis. Please teach a solution. &sharpi...

s1170198 by Associate II
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usart problem

Posted on December 10, 2012 at 11:23Hello All, I am using STm32f2. I am using USART1 , i wnat to read and write some data to the device connected to USART1 I am setting 9600 as baud rate, i could see RXNIE RE,TE ,SBK,WAKE,PS,PEIE,IDLEIE,TCIE bits se...

Power & debug/programming reference design

Posted on November 20, 2012 at 17:00Is a basic reference design available for the STM32F4 family for things like power & programming header? I've looked at the data sheets but it seems that there are many different ways of programming, all spread th...

STM32F4 don't start and can't programmate...

Posted on December 07, 2012 at 09:40Hi, I have my own homemade board designed from a STM32F4 in LQFP100. It is supplied by +3.3V power. The JTAG is connected like that : - TMS : p.72 - TCK : p.76 - TDO : p.89 - TDI :  p.77 - nRESET : /reset ie p.14...

DNA-) by Associate III
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UART 7 data bits

Posted on December 10, 2012 at 01:57The manual says that the STM32 supports only 8 and 9 word length for UART.But I need 7 data bits.How can I configure the 7 data bits? #7-databits-uart-usart

kbcloud by Associate
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USART: need CLOCK ticking all the time

Posted on December 08, 2012 at 04:37The device I am trying to connect to via serial interface requires constant clock ticking. I have enabled USART clock with     USART_ClockInitTypeDef USART_ClockInitStructure;     USART_ClockStructInit(&USART_Clo...

arro239 by Senior
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STM32L i2c bus frozen on occasion

Posted on December 09, 2012 at 00:00 Hey again all, I have a multi master i2c setup, each and every device is also an STM32L. Each device is configured as below I2C_InitTypeDef I2C_InitStructure; GPIO_InitTypeDef GPIO_Init...

USART float values

Posted on December 07, 2012 at 17:08hello, ive been playing around with USART on my stm32f4 discovery for some time now. I am able to send letters and strings on USART but not float values. i really need to transmit float values to PC.I`ve tried but...

STM32F107 CAN using PB5 and PB6

Posted on December 04, 2012 at 21:15I'm struggling a little bit getting the CAN up and running on my board.  The board is one that we've designed using an STM32F107.  It uses a 25 MHz crystal so the timing should be just like the demo boards.  I'm w...

lysaght by Associate II
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