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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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UART at slow rates: How stupid just I am

I've just been caught by this very same issue:https://community.st.com/s/question/0D50X00009XkaBXSAZ/rm0090-usart-minimum-attainable-baudrateAt this place I'd like to ask ST to reconsider baudrates generation for both UART and SPI - please connect th...

C++ compiler options.

 Hi.I thought this question is more suited to education.I have been working on a STM32F091 C++ project just to get an idea code size, and I noticed that the size of the binary is huge even when optimisation is set to (-Os). I think its because the co...

CPetr.1 by Associate II
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SPI 3-wire bidirectional master not sending clocks

I have an issue with SPI in bidirectional mode (MOSI, CLK and CS). I have a device which I need to write to and from. When I have to write to an adress in the slave device, it works perfectly: reg=0x04; CS_DRIVER_LOW c=HAL_SPI_Transmit_DMA(&hspi2,...

MRey.1 by Associate III
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stm32f4 TIM2 multiple channel input capture

Hello,I'm trying to write a PWM input capture function(I only need the on time. not the frq and duty cycle) and I see that it takes two channels of a timer. I need to use all four channels, Is it possible?Thanks

EPora.1 by Associate II
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  • 10 replies
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