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Forum Posts

Getting the source of wakeup from STANDBY

Posted on September 17, 2011 at 12:53Hello,I have an application where I have 2 sources that wake my STM32F from STANDBY: RTC and wakeup pin. Both work well as designed (they wake my MCU from STANDBY) but I cannot get the flag to tell what caused th...

juraj2 by Associate II
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spi1 and dac1 conflict

Posted on September 18, 2011 at 22:38I have observed a conflict between SPI1 and DAC1 on stm32f103ZG micro. When spi1 is initialized first and then DAC1 the spi1 clock shuts down. It is time sensitive, but I manage to make repeatable on stm3210E-EV...

Problem with GPIO

Posted on July 02, 2011 at 16:15Hello, I try turn on and turn off a led when i press the button user1 but can not to do that, So i don´t understand my mistake. I m using Keil with stm32_init.c, i config GPIOA.PIN1 like floating input... the main co...

ivitro by Associate II
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FSMC SRAM unused pins clarification

Posted on September 15, 2011 at 16:39The STMicro FAQ states that when you configure FSMC for SRAM that the unused pins can be used for general purpose I/O.  Does that mean you cannot use the any of other alternate functions of those pins if you are ...

mmueller by Associate
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DFU with the MCBSTM32E from Keil

Posted on September 15, 2011 at 11:21 Hi everybody, i have here an MCBSTM32E and i want to upgrade its Firmware via USB. So i found the DFU example from ST and tried to load it to the board, it worked. But i have some trouble with switching b...

STM32VL Discovery Kit Global Pinouts View

Posted on October 18, 2010 at 21:26Hi all, I have created an xls file that summurizes all STM32 discovery kit pinouts. This to simplify the developpement with this kit and to have a quick overview on its I/O. It also helps to choose quickly which GP...