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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! I have a problem with the interrupt callback. The interrupt event is correctly detected but when the code enter into the callback function it excecute just the first line of the code wrot between the curly brackets.

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin){ if(GPIO_Pin == LVMS_DETECT_Pin) { HAL_GPIO_WritePin(AMS_LED_GPIO_Port, AMS_LED_Pin, GPIO_PIN_SET); HAL_Delay(2000); HAL_GPIO_WritePin(AMS_LED_GPIO_Port, AMS_LED_Pin, GPIO_PIN_RESET); }}When the trigg...

GMart.7 by Associate II
  • 2609 Views
  • 10 replies
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STM32F103 holding I2C

I am trying to use the F103 as a I2C master but it is holding the I2C pins low, there is nothing else on the bus 5k1 pullups, when I hold the device in reset the lines are 5V. Because the lines are low, SB is never being set, so the first while state...

Unknown warnings

 I am getting the above warning! I am unable to find what is causing the issue. If I comment the line number 5442, then no warnings or no errors. Help me resolve this issue.

Screenshot 2024-08-21 112214.png
vbk22398 by Associate III
  • 271 Views
  • 4 replies
  • 3 kudos

STM32H7 maximum display resolution & number of bits.

Hi,I have I project (STM32H743IIT6) and I want to know if it's possible to have use a display 1280x800 24bpp? if it's not possible can I still have a display with a resolution of 1280x800 but with les bpp? Can I use a different MCU STM32H757XIH6 or a...

aabba.1 by Associate III
  • 259 Views
  • 1 replies
  • 1 kudos

CAN bus frame bit rate setting issue

I am using CAN bus on my project and I am using  NUCLEO-H753ZI board. The second board is nvdia orin nx. I also using CAN to USB converter to monitor the frames. When STM32 send the frame it is received on CAN to USB converter software without error ...

skhanna by Associate II
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  • 15 replies
  • 0 kudos

Resolved! DMA disable issue

My program collects data using DMA in circular buffer. I have following procedure to "start" collecting data. // "reenable" measurment (enable results readout) void restart_measurment(void){ run=1; // DMA channel reset CLEAR_BIT(TIM1->DIER, TIM_DIER_...

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