STM32 MCUs products

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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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Polling or Interrupt better for CAN-FD reception

Hi,I have brought a new Nucleo-H743ZI kit. I wanted to receive data from 5 nodes using CAN-FD which transmits at the rate of 5mbps. which is the best method to use Polling or interrupt to receive the data over CAN-FD??Note: each node send 30 kilobyte...

VPras by Associate II
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  • 1 replies
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N-pulse waveform generation using STM32F767

Hi,I'm using STM32F767, Im trying to generate N-pulse waveform Generation but i couldn't achieve it.My TIMER configurations are static void MX_TIM2_Init(void){ /* USER CODE BEGIN TIM2_Init 0 */ /* USER CODE END TIM2_Init 0 */ TIM_ClockConfigTypeDef s...

VPras by Associate II
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  • 5 replies
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I2S Slave Receive issue losing sync

All,I am completely stuck with this problem I am facing where I2S receiving data seems to lose its sync with master. I am using STM32F412CG MC. When I power the MC, it receives data from master device, and plays back nicely. Next time when master sto...

ARash by Associate II
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  • 1 replies
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STM32F3 RTC Update issue

Hi All,I am trying to sync stm internal RTC by GSM. Now I am facing some issue. whenever I get the time from network I have to RESET the controller to get the network time.Do I have to reset the controller every time when ever I sync the RTC or there...

ASaxe by Associate II
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  • 0 replies
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Resolved! STM32F030F4 TIM17 how to set master mode (TRGO source)?

STM32F0 reference manual 13.4.3, TIM1_SMCR description, Table 45 says that setting the TS bits to 011 selects TIM17 as the trigger source. That's fine, because I want to start TIM1 and TIM17 at the same time.However, the description of TIM17 has no m...

berendi by Principal
  • 1138 Views
  • 14 replies
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PWM TIM3

Hi,I am using STM32 F303 VCT6 and want to output PWM signal on TIM3, TIM2.I followed the instructions in some video to build the code using STM32CubeMX.I set the Clock Source for both timers to 'Internal Clock'.I set all four channels for bother time...

Ala1980 by Associate II
  • 427 Views
  • 6 replies
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exit STANDBY every second from RTC on STM32F100RBT

Hello, I'm using STM32F100RBT. How can I use HAL_RTCEx_SetSecond_IT to exit STANDBY mode?I'm able to exit STANDBY using ALARM, and able to get an interrupt every second using HAL_RTCEx_SetSecond_IT , but I can't wake up from standby with it.What shou...

ISeed by Senior
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I'm using TIM6-DAC-DMAMUX-DMA to create a periodic signal as shown in the following picture. The yellow curve is DAC output, and green curve is a toggled GPIO for debug. I catched an unexpected interrption time point which is described as followed:

Registers Setting: DMA_S0CR: MSIZE=PSIZE=16bit, DBM=1, MINC=1, CIRC=1, DIR=M2P, TCIE=1, EN=1DMA_S0NDTR = 8DMA_S0M0AR points to a buffer: 0x8000, 0x6000, 0x4000, 0x2000, 0x0000, 0x2000, 0x4000, 0x6000DMA_S0M1AR points to a buffer: 0x7000, 0x5000, 0x30...

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Jerry1 by Associate
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  • 1 replies
  • 0 kudos
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