STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

One Pulse Mode input can not be driven high enough.

Hello folks,Does any body know why the input pin can not be driven high enough when it is set as the trigger to TIM3 in OPM? I use CubeMX to generate the init code where TIM3 ch1 as input trigger and ch2 as the output. On the board, I use a comparato...

ming2 by Associate III
  • 1818 Views
  • 7 replies
  • 0 kudos

Resolved! How to reset TXE flag on SPI slave?

I'm simulating some issues on my STM32F412 DMA SPI SLAVE because I need to avoid any unrecoverable situation.If for any reason the TX is not empty (TXE is 0), I'm not able to reset it (set to 1) even reinitializing the peripheral.Probably, something ...

Guidoted by Associate III
  • 1197 Views
  • 4 replies
  • 0 kudos

stm32h7 spi interrupt latency

Hi all,I interfaced external(off board ADC) to stm32h743 microcontroller. i am receiveing data in spi interrupt mode. i enabled RXPIE interrupt.But the interrupt latency is increasing as Baud rate of SPI is increased.at lower speeds latency is small(...

kgang by Associate II
  • 1561 Views
  • 7 replies
  • 0 kudos

Running application from RAM

Hello,Is it that application can only run from ITCM ? When I try to run from other SRAM such as SRAM1, it get into MEM IRQ handler.Another issue is that on running from ITCM the HAL_Delay is much faster compared with running from internal flash (Xip...

ranran by Senior II
  • 1430 Views
  • 6 replies
  • 0 kudos

STM32F779NI internal ADC accuracy

I am using internal ADC of STM32F779NI connected to LMT86 Temperature sensor. Vref is 3.3v and ADC resolution used is 10-bit. The problem is there is always a difference with the expected ADC and the actual ADC for a given voltage. This difference is...

A3 by Associate III
  • 1155 Views
  • 9 replies
  • 0 kudos

Resolved! USART transmitter failure

I'm using stm32f103ze to send some data over the serial peripheral, but it didn't work. The settings are correctly set but when I try to write to the data register it always remains zero. Furthermore, none of the Serial peripherals seem to work. Wh...

ASeyo by Associate II
  • 1325 Views
  • 3 replies
  • 0 kudos

STM32L4 LPUART receiver tolerance

I'm hoping this is a simple question. In the reference manual (RM0394 section 39.4.5), the tolerance of the LPUART receiver is specified in Table 204. For example, with BRR = 1024 and 9 bits/1 stop bit, the tolerance is given as 2.33%.I've been ass...

PRuss by Associate II
  • 595 Views
  • 1 replies
  • 0 kudos

STM32G0. How to write/read in Flash Memory

Hi,This is to request clarification on doubts regarding the storage of data in the non-volatile memory of the STM32G030C6T6 micro controller ... from what I see in the micro controller's technical sheet, it does not have EEPROM memory, since FLASH me...

EGonz.11 by Associate
  • 2062 Views
  • 2 replies
  • 0 kudos