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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32CubeMX 4.3 FW1.3.0 Known Issues

Posted on June 27, 2014 at 00:28Compilation of known issues:USB CDC bug in the new STM32Cube FW_F4 V1.2.0 library ( still present in FW 1.3.0 )[DEAD LINK /public/STe2ecommunities/mcu/Lists/STM32Java/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/...

joe by Associate III
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  • 1 replies
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STM32F105 problem jumping to application

Posted on June 23, 2014 at 15:35I have problem with jump to application by bootloader. The device used is the STM32F105R8. The bootloader does not jump in the application,it crashes in the function ''Jump_To_Application()''. The code of the bootload...

u23 by Senior
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  • 14 replies
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Update Usart baud rate register during communication

Posted on June 26, 2014 at 17:01Hello,I would like to know what happens if I modify the USART baud rate register value very little (+-3%) during a communication. Is it safe or is it essential to stop the communication before updating the BRR value e...

DMA2D configuration error

Posted on June 25, 2014 at 02:28 I'm trying to do a simple memory to memory transfer with the DMA2D, but the configuration error flag is being set when I start a transfer. Here is the initialization code: uint16_t *imageBuf = (uint16_t*)0...

External trigger for TIMER 3

Posted on September 03, 2013 at 13:00Hi,I have a working piece of code that takes an input signal on tim3_ch2 (pc7) and outputs a pulse on every 390 counts on tim3_ch1 (pc6). However, i need to use tim3_ch4 (pc9) as input pin for clock signal. I tri...

asecen89 by Associate II
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  • 6 replies
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Questions on memory map of STM32F439

Posted on June 26, 2014 at 02:24I've spent about three months working on the STM32F439 Evaluation platform and this is my first time taking on an embedded platform single handed and developing software on it, so please forgive my ignorance. I'm tryi...

kartik by Associate II
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  • 6 replies
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STemWin switch between windows

Posted on June 24, 2014 at 16:36Hello everybody. I have a problem with emWin library. I created 2 windows. At the first windows I have a button to switch to the another window. I use WM_SetFocus(win2) to switch. It working well. But when I want to s...

totti001 by Associate II
  • 271 Views
  • 2 replies
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ST-Libs, CMSIS, newlib - advice requested

Posted on June 25, 2014 at 12:14Hi, I am trying to understand the differences between the different libs for the stm32F4xx development. As newbie its not easy to get the overview. Here are the terms I want to understand: 1) CMSIS: Standardization l...