STM32 MCUs Products

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Resolved! Flash structure confusing page number

HiiI am using stm32g0b0cet6, while writing bootloader, i am confused with the page number and the total storage.Its total storage is 512 kb, According to the reference manual, The Main memory is shown like belowQuestion1: If each page is 2kb & total ...

skuma8_0-1748584125478.png
skuma.8 by Associate III
  • 104 Views
  • 1 replies
  • 0 kudos

Stm32h743ii 2 i2c independant bus

 Dear all; I have a *** question but it dont work can we have quantity 2 different i2c bus 1 is reconized but not the second bus  /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_LTDC_Init(); MX_QUADSPI_Init(); MX_FMC_Init(); ...

KNaim.1 by Associate III
  • 213 Views
  • 6 replies
  • 3 kudos

Questions on FMC throughput with DMA

I'm working on a project which uses DMA to pull data from an external chip controlled by the FMC into a buffer in AXI SRAM, and am seeing a much lower throughput than expected. It looks like the FMC is idle for long periods of time, and I'm looking f...

8-bit-dma-capture.png 32-bit-dma-capture.png 64-bit-core-capture.png
BenDDMC by Associate
  • 134 Views
  • 0 replies
  • 0 kudos

UART RS485 how to manage half-duplex

Hello,I implement RS-485 on STM32G491. I receive with ReceiveToIdle_DMA and I also transmit with DMA. I need to know if currently something is being received because that means I cannot send data now because RS485 is half-duplex. As far as I know I c...

Ramzes11 by Associate
  • 197 Views
  • 4 replies
  • 2 kudos

Resolved! STM32L431KCUX UART cannot receive more than 49 bytes

Recently I have encountered a strange issue I cannot really explain...I have a firmware that manages serial UART communication with a callback that has a state machine with 3 states.In the first state, UART is set to perpetually expect 1 byte of data...

MO94 by Associate III
  • 392 Views
  • 15 replies
  • 8 kudos

Resolved! LPTIMER fail to wakeup in STOP2 mode for longer timeout

Hello,Trying to achieve wakeup system at every 60 sec or more using LPTIMER1 in STOP2 mode.Observation:1. STOP2 = enable and LPTIMER = 60 sec --> Wakeup not work2. STOP2 = disable and LPTIMER = 60 sec --> Wakeup work3. STOP2 = enable and LPTIMER = 2 ...

npatil15 by Associate III
  • 335 Views
  • 9 replies
  • 0 kudos

Resolved! Is a bootloader necessary?

can anybody answer please, if i costmised board based on  bg431besc1 board  it needed to upload boot loader file in stm32g431 controller to run in stm32ide code ?