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stm32L432(32 QFN) usart2 + lpuart tx possible?

Posted on June 21, 2018 at 20:35Hi,With the cubeMx tool, when i use usart2 , the lpuart can not be included.But when i set as bellow, is it possible to use usart2 tx/rx full duplex, and lpuart tx only ?-- as follows--Usart2TX : PA2RX: PA15LPUARTTX :...

isjeon by Associate II
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Execution time in STM32

Posted on June 20, 2018 at 13:08What is the best way to find the execution time of a particular section of code in the STM32 microcontroller? Except checking on DSO.Majerle.Tilen.001‌null

pjn by Associate II
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Resolved! STM32F746 slower then STM32F407???

Posted on June 20, 2018 at 13:46As i had lack of speed while using stm32f407 disco, i ordered stmf746 nucleo-144. And What suprised me was that it is slower then stmf407, despite that stm32f07 168 max mhz, and stmf756 is up to 216Mhz. I configured m...

Minimum HCLK frequency for STM32L433CC in CubeMX

Posted on June 21, 2018 at 11:33CubeMX doesn't like a frequency of 12 MHz for HCLK with the STM32L433CC.HCLK is suggested to be at least 14.2 MHz, but I couldn't find any such requirement in the reference manual or datasheet.The F4 RM0090 mentions: ...

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Resolved! STM32H743 NUCLEO SWO printf debug issue

Posted on December 23, 2017 at 23:31I'm trying and failing to get printf debug to output via SWO on a H743ZI-based Nucleo board. I've added retarget_io.c for STDOUT via ITM Port 0 in my Keil MDK v5.24a based project. I have the ST-LINK/V2 debugger f...

pej02 by Associate
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TIM2 OC ACTIVE mode issue

Posted on June 21, 2018 at 13:47Hello I have been experimenting with OC mode of the TIMER2 and couldnt able understand the terms OCPolarity and Active and inactive mode. below trace i got from this configuration /* Common configuration for all chann...

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RN by Senior
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stm32f103 tim input capture ov and iic question

Posted on June 21, 2018 at 18:181: I want capture wave every length,but in cap interrupt tim flag, i so puzzled abort that,  is  overflow judge first  or cap flag judge first,  like this, when one interrupt enter time(flags not yet judge), almost at...

Resolved! What is the use of Clock Division settings ?

Posted on June 15, 2018 at 10:00Hello, I am using TIM2 peripheral and many times f(DTS) is mentioned , what is that ?also what is the purpose of clock division settings ?does it divide the internal clock ? (CLK_INT)#stm32f4 #timer

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RN by Senior
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