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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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UM1734 Error - USB Device - CDC

Posted on May 03, 2016 at 11:50pdf:      UM1734rev:      3page:     52/59Section: 6.5.6step:      4bug:       text wrongly reads: CDC control requests should be handled by the function Controllability().fix:        state the name of a function or ca...

peculiar error

Posted on May 03, 2016 at 14:15Hi i am using f429. and also using the stm library. problem with decryption.. 

arunl4g by Associate II
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STM32F103 DMA Timer interrupt concept question

Posted on May 02, 2016 at 16:41Hi, I have a conceptual question about DMA data transfer and timers.  I'm using an STM32f103RBT6 and would like to output a square wave signal that is non repeating.  What I would like to do is to create a buffer of ca...

DMA fails to trigger on STM32F446

Posted on April 30, 2016 at 16:20I'm using the STM32F446 nucleo board and am trying to simply trigger a DMA transfer onto gpio when an OC triggers. Although I've done this many times on other boards (particularly F0 boards) I cannot figure out why i...

luke2 by Associate II
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STM32F303 PWM control via CubeMX HAL

Posted on May 03, 2016 at 06:34Greetings allI'm using  HAL_TIM_PWM_ConfigChannel() to set the Pulse value for my PWM output but I want to modulate it (think IR LED on/off keying) so I'm currently using HAL_TIM_PWM_Start() and HAL_TIM_PWM_Stop(). The...

STM32f429I LTDC Clock Value Problem

Posted on May 02, 2016 at 10:50Hi. I'm trying to set LTDC clock to 54MHz but I am measuring 385.7kHz instead of the true value with oscilloscope. Scope has 350 MHz bandwidth. I'm configuring the PLLSAI with std_periph libraries; RCC_PLLSAIConfig(432...

Mysterious pads on Nucleo64 and Nucleo144

Posted on May 02, 2016 at 15:12A Nucleo144 landed on my desk. As with every new board, there has been a stare-and-criticize session, and somebody noticed four pads at the four corners of the chip, at a 45 deg. angle. They are roughly of 0805 size an...

adc sampling time and synchronization

Posted on May 02, 2016 at 11:03hi I have problem with adc sampling and controller calculating at each period of sampling(each sampling time) .I fond this from st,com . I have some  questions : 1.what is the meaning of first line exactly and how I ca...

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