STM32 MCUs Products

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Forum Posts

Resolved! External crystal required for bootloader?

HiThere's a not-too-well worded paragraph from AN2606 on page 33:For STM32 devices embedding bootloader using the DFU/CAN interface in which theexternal clock source (HSE) is required for DFU/CAN operations, the detection of the HSEvalue is done dyna...

GMeta.1 by Associate III
  • 1951 Views
  • 7 replies
  • 1 kudos

STM32F3 Series Oversampling

Hi.  We use the STM32F3 series for a number of products.  We were hoping to implement oversampling for the two ADC's based upon the Application Note AN5537, which indicated in Table 1 that the STM32F3 series has the oversampling engine on chip.  Howe...

BVA by Associate II
  • 1025 Views
  • 3 replies
  • 0 kudos

HAL_FLASHEx_Erase error

I'm trying to store a simple runtime setting in flash memory of a stm32f103 with 64kb of flash.In my testing I'm targeting the second to last page at 63 with address 0x0800FFE0I can write fine to empty pages using HAL_FLASH_Program() but any call to ...

pulsar by Associate II
  • 1100 Views
  • 4 replies
  • 0 kudos

Resolved! Building CT-VPD dongle with ST products

Hi all.Are there any guides on building the charge-through VPD device with the ST product? An illustration from the standard: The goal is to maintain the smartphone's supply from the external PD charger while maintaining the connection with a USB 2.0...

VasylV_2-1727761563566.png
VasylV by Associate
  • 1077 Views
  • 3 replies
  • 1 kudos

Resolved! STM32F105xx SPI2 Does Not Drive NSS Pin High when Idle

I'm using the ST Cube environment (IDE + MX) to configure the SPI2 peripheral in Full-Duplex Master mode on a STM32F105VBHX chip.It seems like the peripheral is not driving the NSS (chip select) pin (PB12).  When the pin is selected for SPI2_NSS and ...

Brian H by Senior
  • 2560 Views
  • 8 replies
  • 5 kudos

target is not responding, retrying

I have a program with various tasks, in one of these I send a request and, after that, I wait for a response, so I have a cycle like this SendRequest(); do { WaitResponse(); DelayMillisecondS(200); }while (Timerisnotexpired()); the Problem is that th...

IVent.1 by Senior
  • 809 Views
  • 2 replies
  • 0 kudos

Resolved! UST OTG configuration

Hi,I am thinking using the STM32U5G9VJT6Q and configure the USB to USB-OTG but never used USB OTG before.The PCB would have its own power supply and only work when power is applied through it and never take power from the USB connector. The USB would...

Ricko by Senior III
  • 975 Views
  • 1 replies
  • 0 kudos