STM32 MCUs Products

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Forum Posts

STM32L476VG - RTC - Vbat

Posted on September 14, 2016 at 19:08Dear Gents,I am using a STM32L476VG for my application. The RTC can be powered by Vbat provided by an external battery in case that VDD drops off. In this mode, when the MCU is powered by Vbat, only the RTC works...

mejrissi by Associate II
  • 1538 Views
  • 6 replies
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Slave/Master? Sm-Bus

Posted on November 21, 2016 at 13:54Hey, is it possible to use the I2C-SM-Bus-Modul as Slave or Master? I want use one I2C-Module as SM-Bus Slave and a other as Master.

communication using usart

Posted on November 14, 2016 at 06:43The original post was too long to process during our migration. Please click on the attachment to read the original post.

anjana087 by Associate II
  • 1145 Views
  • 3 replies
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14: error: expected declaration specifiers or '...' before

Posted on November 21, 2016 at 08:53i get 14: error: expected declaration specifiers or '...' before 'GPIO_Init'and its my source code :void Init_IO(GPIO_Init* GPIOx, uint32_t Pin, GPIOMode_TypeDef Mode, GPIOPuPd_TypeDef Pupd, GPIOSpeed_TypeDef Spee...

noval by Associate II
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  • 2 replies
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STM32F1 I2C1 Alt Functions Drive Low

Posted on November 16, 2016 at 02:39I am running into an issue with I2C on an STM32F103 that is driving me crazy.  The code worked on the same processor with the normal pin mapping, however on new hardware with the alternate pin mapping for I2C1 (Po...

drew by Associate III
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  • 2 replies
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Issue placing constants in flash

Posted on November 21, 2016 at 16:00 I'm following the post on[DEAD LINK /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/How%20to%20allocate%20variable%20in%20Flash%20to%...

Extract Some Data From A Signal By Timer

Posted on November 20, 2016 at 01:33Hi Guysi have a board(a) and this board send some async data with clock to my stm32f4 device.in this data transferred by board(a) have some dummy clock and i want reject this dummy clock.i want to capture input cl...

0690X00000603DCQAY.jpg
eittinfo by Associate II
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  • 2 replies
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Mutex never received

Posted on November 19, 2016 at 23:50 Hey guys, I'm having some problems with mutexes. I'd like to take a mutex but could never obtain it. Not even directly at startup. my function looks like this USB_ERROR_LIST creat...

STM32F030 Read protect

Posted on November 21, 2016 at 09:49Hi Support,I would like to confirm that by setting register OB->RDP = 0x11; in my source code will stop read action ONLY from being performed when using the RS232 bootloader. If i needed to do firmware updates usi...