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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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LL_GPIO_Init on STM32F103

Posted on June 20, 2018 at 23:24I am trying to initialize GPIO ports on STM32F103C8 using the LL library. When I set up pin PC13 by a sequence of individual calls (LL_GPIO_SetPinMode, LL_GPIO_SetPinOutputType), it is initialized correctly. However, ...

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...

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