STM32 MCUs Products

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vbat mode

I am using Nucleo144 32f429zi board. I have removed SB156 to connect VDD to VBAT. There are 2 questions.1) when I power off controller, I have battery to connect to vbat to keep RTC work, normally current should be around uA level according to stm32f...

yang hong by Associate III
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Daylight Savings - Fastest Way to Check

To enable/Disable the Daylight Savings to either plus minus or none, whats the most efficient way to do this? I have written a routine that checks for the last Sunday in March and October (I'm UK, not sure if its the same all over?), but it seems ho...

richardh by Associate II
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  • 4 replies
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how to access a variable of one board from the other board?

Hello everyone, i am working on a project to connect two stm32 boards via CAN bus which i managed to do successfully, now i am looking for a way to acces to the variables of one board from the other board. i really hope one of you can reply. thank yo...

SGUIG.1 by Associate II
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I2C GPIO PINS

Hi​My understanding is that possible to use the i2c interface on any GPIO pin. Is this statement correct?​BR Gilberto ​​

GErma.1 by Associate III
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Resolved! STM32L1 flash / eeprom programming manual

Hi,I'm looking at replacing a STM32F103 with a STM32F151 in my design and couldn't find the PM0062 referenced in the AN3422 migration application note.Is there some steps I need to go through to get the flash / eeprom programming manual ?from the ANT...

NJona.1 by Associate
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  • 2 replies
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Resolved! STM32F103 32bit resolution capture sync problem

Hi,In my project two 16 bit timers chained together to achieve 32bit capture resolution. TIM3 as master timer and TIM4 as slave timer clocked by TIM3 overflow event (TIM4 works in external clock mode 1). Capture signal is connected to both timers inp...