STM32 MCUs Products

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Forum Posts

Restart HAL_UART_Receive_IT

Posted on May 09, 2018 at 14:37Hi!in my program i am using the 'HAL_UART_Receive_IT' function, it is first called when i initialize my app.There comes a moment during the run of the program when the pointer to buffer given to the function expires an...

yuri CH by Senior
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F401 Enabling ROP?

Posted on May 14, 2018 at 20:27Hi all,I'm trying to get ROP enabled by my bootloader.This function is run first up by main().I'm finding that it get stuck in a loop, as ROP never seems to become enabled (always reads back as being set at level 0).An...

mwp by Senior
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STM32 Leave DFU mode command

Posted on January 23, 2017 at 21:32Hi, I have a question regarding STM32L Leave DFU mode command. I can enter in to built in bootloader from startup code. I am initialising some GPIO pins in startup (assembly code) and they maintain the status after...

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...

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...