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Forum Posts

Discovery-F3, Dedicated Forum?

Posted on November 08, 2012 at 15:51I see that there are dedicated forums for some of the STM32 Discovery boards, such as the Discovery-F4. Will there be a dedicated forum for the Discovery-F3? The dedicated forums are a little hard to find because ...

kornak by Associate II
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Vbat problem on a STM32F4

Posted on June 06, 2012 at 15:59Hi,I'm working on a custom design with in a STM32F4xx. A 420mF capacitor is connected to Vbat. ( with a serial diode and a resistor between Valim and Vbat to charge up the supercapacitor ).The system power off it stil...

stlink v2 under windows8

Posted on November 08, 2012 at 16:52can't install drivers under windows 8, the ''unsigned driver '' error appears. workarounds with reboot to troubleshoot menu does not work because there is no such menu in full version (not dev. preview). is there ...

khorght by Associate II
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Using J-Link w/Discovery Boards for both F4 and F0 MCUs

Posted on November 12, 2012 at 18:47Greetings - Seek the higher performance (faster downloads) achievable w/J-Link ''SWD'' rather than the ''on-board'' ST-Link.  Reviewed the F4 Discovery schematic - does not appear that there is any easy way to ''b...

jj2 by Associate II
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EXTI LINE?

Posted on November 12, 2012 at 18:41 I want to edit and use the example of EXTI PA3, but it does not work, what am I doing wrong? void Exti_Config(void) { EXTI_InitTypeDef EXTI_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; N...

orn by Associate II
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  • 4 replies
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DataBind error on STM32 forum

Posted on November 09, 2012 at 17:55 Server Error in '/' Application. The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases. Description: An unhandled exception occurred during the execution of t...

ADC Impedance matching

Posted on November 12, 2012 at 10:27Hi all, I have a pressure sensor whose the impedance is in the range [1400W 3000W]. I would understand and know if the ADC impedance in stm32f1xx devices matches my sensor impedance or not?MCU Lüfter

Selecting an alternate function

Posted on November 11, 2012 at 23:46Reading UM0033, page 138, figure 14. Sorry, can not exactly understand it. For example,  I want to connect C.8 to CAN1_TX and C.9 to CAN1_RX. I see AF9 (CAN1/CAN2, TIM12..14). and need to use GPIOC_AFRH(LSB) GPIO...

brberie by Associate II
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USART echo program not working

Posted on November 11, 2012 at 02:08Hello, I am trying to implement a simple USART echo program but am running into communication problems between the discovery board and puTTy. When I transmit a character to the discovery board it does not respond....