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Supply decoupling capacitors for BGA/WLCSP packages

Posted on May 15, 2018 at 16:44I am designing a board with an STM32L443 MCU in a UFBGA64 package. There is a design requirement for components only on one side.As with any MCU I plan to decouple the power supply pins using 100nF capacitors as close ...

Problem in STM32CubeF4_21 usb mass storage sample

Posted on May 15, 2018 at 12:26HiI use mass storage sample from STM32CubeF4 ver 1.21 pakageWhen I format a partition with a NTFS system file and copy a large file to it, if device resets during the copy, the partition is corrupted and requests forma...

mostafa z by • Associate II
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Overvoltage Detection (PVD) on the STM32F429ZI

Posted on May 15, 2018 at 14:51 Hey guys, I'm trying to activate the Overvoltage detection (PVD) on the STM32F429ZIT6. But I'm not reallly sure if I got it right. DatasheetDocID024030 Rev 10 page 29: The device also features ...

STM32F373CCT hangs when using HSI and PLL

Posted on March 21, 2018 at 10:40HiI got generated code from STM32CubeMX for STM32F373CCT where it is configured the clock with HSI and PLL. When debugging my CPU hangs after I enable PLL.Currently the only way to run firmware is using HSI without P...

Exiting StopMode on Nucleo STM32H7

Posted on May 15, 2018 at 15:32Hi, i'm having an issue using Stop mode on my nucelo board.At the moment i program my StopMode to do this : - Wakeup on RTC counter- Do not remove / change the states on the GPIO (I need this functionnality on my proje...

Resolved! When reading USART, DMA instantaneously completes

Posted on May 15, 2018 at 13:48Please see code below.I'm trying to read from USART using DMA. Please see the last line DMA1_Channel3->CCR |= DMA_CCR_EN;When I step over that line,  CNDTR instantaneously resets to zero like it has finished reading, a...

Misha K by • Associate III
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GPIO pins not working

Posted on May 15, 2018 at 08:58hi I am new to ARM, and I am just started with STM32F103C8T6 blue pill Board, I am compiling with keil uvision 5 with ST-Link v2 programmer. First, I checked with blink program on pin PC_13, the works good. But then I ...

How to restart ST Link automatically.

Posted on May 14, 2018 at 10:05Hello all I am quite new to STLink. I am trying to program a microcontroller using STLink/V2. In normal situations it works perfectly. but at times i do have a communication error with STLink and it shows' USB communic...

b k by • Associate II
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