STM32 MCUs Products

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Forum Posts

the external interrupt response time

     Hi,I want to use STM32G431CB or STM32F411CEU6 to measure the time precisely.I need to know the external interrupt response time of GPIO,but I can not find it in datasheet and manual.can you tell me what is the value if the CPU frequency is 100MH...

Huang99 by Associate
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  • 2 replies
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STM32U545 : LPBAM cotinuous ADC multichannel

Hi,I am using an STM32U545 on which I expect to use ADC4_IN1 and ADC4_IN18 in stop mode 2 (using LPBAM).I want to create two buffer (buff1 and buff2 uint16_t[32]) dedicated to each input.I want to read 32 samples from input1 then 32 samples from inpu...

Aurelien1 by Associate III
  • 1447 Views
  • 6 replies
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STM32G0: PWM Pulse + One-Pulse mode

Above is the configuration of my Timer. - To generate pulse, first I used HAL_TIM_OnePulse_Start but with that pulse was not generate.- So I did this: while(1) { HAL_TIM_PWM_Stop(&htim17, TIM_CHANNEL_1); __HAL_TIM_SET_COUNTER(&htim17, 0); HA...

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Resolved! STM32H7S3V8T6 TIM1 prescaler clock clarification

Hi All, Hoping someone can clarify my confusion on the clock input for the TIM1 counter...background:I am testing Tim1 output compare by toggling PA8 on the micro... - the timer settings areperiod = 1600, no clock divisor or prescaler and my clock co...

JShro_0-1759285004047.png
JShro by Associate III
  • 711 Views
  • 11 replies
  • 0 kudos

STMu545 USB Host - Only getting NAKs on setup packet

Hey!I'm working on implementing USB host functionality on the STM32U545 using the USB_DRD_FS peripheral. I've got the basic structure working, but I'm stuck at the enumeration stage, where the device responds with NAK to SETUP packets and enumeration...

bartosz_ by Associate II
  • 108 Views
  • 0 replies
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Resolved! Simultaneous EXTI and timer interrupt configuration

On the STM32F303K8, is it possible to configure e.g. PA8 to both receive an EXTI interrupt on falling edge and act as the TIM1CH1 input to trigger source TI1FP1, in turn serving as a timer gate for gated mode? I cannot find a way to express this thro...

avidroneg by Associate III
  • 385 Views
  • 7 replies
  • 8 kudos

Resolved! STM32H7 dual flash bank

Hi i am working on a project with STM32H7A3VGT6 chipset which has LTDC controller. my goal is to make a LVGL based UI with SquareLine Studio and interface a 24 bit parallel RGB display with it . so i have made a UI using SquareLine Studio and importe...

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b1aze by Associate III
  • 271 Views
  • 7 replies
  • 2 kudos