STM32 MCUs Products

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enable css?

I dont understand why this is a option for the mux clock selector. css is a great feature so i didnt find reasons to not enabling.In which cases i should not enable it?

JCuna.1 by Senior
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STM32F103C8 What is CNT_INIT in General Purpose Timers?

HiFigure 120 in the reference manual RM0008 shows the control circuit in normal mode. It shows an update event using the Update Generation bit (UG). See attached figure.I am curious about the CNT_INIT bit, which is a pulse one clock cycle after the U...

0693W000006GD5oQAG.png
AAnth.1 by Senior
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Resolved! STM32F415RG missing bytes on UART RX

Hi,I have a board containing an STM32F415RG and another board containing an MCU from another manufacturer. Both boards are supposed to communicate with each other using RS-232 transceivers. The communication is running at 9600 baud and working well f...

TSchm.1 by Associate II
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PWM formula timer5 not work

I'm using STM32l152 and use TIM5_Ch2 for generate pwm .My target frquency pwm is 2.85 KHz .I using these parameter:clock frequency = 32MHz htim5.Init.Prescaler = 6;  htim5.Init.Period = 100; I measured pwm on oscilloscope and I measure 2.85KHz with 5...

bfran.1 by Associate II
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  • 3 replies
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STM32H745 and SPI + DMA

Hi to all,I need to send on every TIM interrupt a packet stream to SPI1. I can't use the HAL_SPI_Transmit(...) because it is blocking....so I need to use the DMA but not in circular mode.I can not use the synchronization of DMA with lptim using DMAMU...

DMast.1 by Associate II
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