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Forum Posts

STM32U5G9 SPI TXP does not clear.

Previously had issues with TXP flag never clearing for interrupt-driven SPI.  Changed some HAL code and got it to work.Moving on the DMA, the first 8 bytes received match the transmit buffer and the 9th byte matches a byte farther into the transmit b...

Digital Input Wrong value

I have done a PCB Design with microcontroller STM32L071CZT6 as the mcu. PB15 which is a 5V tolerant pin is connected to a source of 4.9 V with a resistor 270 kOhm in between. I measured the voltage at the PB15 pin to be 4.9 V but, when I set it as Di...

ASiva.1 by Associate III
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  • 2 replies
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Resolved! TIM2 and TIM3 Behaivoural Differences

Hello, I am trying to write some non-blocking motor driver code for a STM32F401Re board. Currently, I am setting the timers to PWM mode and adjusting the ARR to change the PWM frequency using an IRQ handler. This approach is working for TIM3 output, ...

teberle by Visitor
  • 99 Views
  • 3 replies
  • 1 kudos

STM32N6570-DK XSPI flash incorrect data

Hello, I use an external flash in memory mapping mode and I have a strange problem. The application is executed from the internal RAM, while the checksum is calculated on the data from the external flash (simple summing of successive bytes in a loop)...

Artur5 by Associate II
  • 35 Views
  • 0 replies
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Resolved! adc fails to initialize

Board: stm32h753zi nucleoFirmware & CubeMX: latest versionI have configured the adc to continous conversion and DMA output. The initialization fails in main.c in HAL_ADC_INIT. I stepped through the HAL lib and saw that LL_ADC_IsInternalRegulatorEnabl...

mo_krauti by Associate III
  • 247 Views
  • 18 replies
  • 1 kudos

On STM32H747IGT6, HSEM channel 0 is reserved?

Application note AN5361 "Setting up with ST-LINK GDB server" says "Set the Cortex®-M7 core running so that the HSEM semaphore is released and Cortex®-M4 wakes up from Stop mode" and this post implies that it's "HSEM 0" which I'm assuming is HSEM chan...

cbcooper by Associate III
  • 74 Views
  • 1 replies
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Resolved! STM32 N6 UART

I Tried to flash the uart code in stm32 N657 Nucleo Board, but it is not responding, i was able to make the Leds, blink in the N6 board. Please help me out, i am using the uart example printf code in the N6 stm32 package. I tried the normal method us...

VicxSri by Associate
  • 70 Views
  • 3 replies
  • 1 kudos