Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on July 27, 2012 at 16:10Hello,I have two STM32 chips, one as Master and one as Slave on separate power domains of 3.3V each. My problem is that when the Slave is turned off and power is removed, it is still being powered from the SPI Master....
Posted on December 18, 2009 at 13:36stm32 hangs on malloc
Posted on July 27, 2012 at 12:42I am trying to communicate STM32F100RB with SD card. Here, I use a code provided by STM for STM32F100VB evolution board. This code contain many functionality like interfacing of Graphics LCD etc. I doesn't need all th...
Posted on July 25, 2012 at 20:37Hello I want to change the USART baudrate in some conditions but i couldn't do this.switch( bdstate) { case 0 : DownloadUsartConfig(9600); break; case 1 : ...
Posted on March 24, 2012 at 11:21Hello,I just receive my STM32F4DISCOVERY. I installed IAR EWARM, and ST-Link driver V2. But after several tests on two laptops, I am unable to link the discovery board with ST-Link.This is the message displayed: ''Fa...
Posted on March 23, 2011 at 08:14Hello, I'm totally novice and need your help. I have installed the lastest version of the MDK-ARM from keil. The result of the compilation is good, but when try to download the programm to the uC, the Software laun...
Posted on June 27, 2012 at 15:11hi alli am using STM32F407VGT6 Discovery borad, with Keil MDK 4 compiler it was working perfectly, i just update the firmware and when i try to start debugging the updated firmware Keil MDK shows the notification ''N...
Posted on July 25, 2012 at 10:47I am using the STM32F103C8T6. I notice that some of the peripherals share the same pins. What I am wondering is whether it is possible to use these peripherals in these circumstances. The specific case I am looking at...
Posted on July 26, 2012 at 21:27Hi, Has anybody seen that STM32F20x devices in 176pin packages has two OTG_HS_ULPI_DIR pins at a same time: at PI11 and PC2. How to understand this? If I enable ULPI and connect it to PI11 - what will be with PC2...
Posted on July 24, 2012 at 20:15 I am building my own stm32f4 boards. The code runs, but I cant get the USB to be recognized by windows - just Device-Not-Recognized. But the same code works on my DemoBoard. I followed the DemoBoard Schem except...
