STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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...

USB Audio Class 2.0 support

Posted on December 10, 2012 at 17:26Hi All, Is there a chance to get USB descriptor parts That implement USB Audio Class 2? Your suggestions please Abdul

gafsos by Associate II
  • 269 Views
  • 0 replies
  • 0 kudos

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
  • 1606 Views
  • 7 replies
  • 0 kudos

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
  • 970 Views
  • 3 replies
  • 0 kudos

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
  • 588 Views
  • 3 replies
  • 0 kudos

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...

Unclear documentation

Posted on December 08, 2012 at 23:17I'll refer to the RM0033 Doc ID 15403 Rev 5 page 826 last paragraph: ''When the SOF is detected, the MAC accepts the data and begins transmitting to the MII'' Does it mean that SOF(SFD =0xD5?) has to be part of t...

brberie by Associate II
  • 283 Views
  • 0 replies
  • 0 kudos

CAN1 transmitting but not receiving

Posted on December 08, 2012 at 20:38The original post was too long to process during our migration. Please click on the attachment to read the original post.

lysaght by Associate II
  • 418 Views
  • 1 replies
  • 0 kudos

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...