STM32 MCUs Products

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Timer input capture into DMA buffer how get position ?

HI, i use CC2 on TIM1 set as input capture measuring pulse period and store in array   /* USER CODE BEGIN TIM1_Init 1 */ LL_DMA_SetPeriphAddress(DMA1, LL_DMA_CHANNEL_3, (uint32_t)&TIM1->CCR2); LL_DMA_SetMemoryAddress(DMA1, LL_DMA_CHANNEL_3, (uint...

MM..1 by Chief III
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  • 3 replies
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STM32U5A5QJ Part Selection Clarification

Hi,We are currently in the process of selecting components for our project, and we have identified the STM32U5A5QJ9 (STM32U5A5QJ), foot-print size UFBGA 132 7x7x0.6 P 0.5 mm) microcontroller as a potential candidate. However, upon reviewing the datas...

Resolved! SPI display in standby low power mode

Hello,I have a project which demands the device to work in ultra low power mode. I have opted STM32L4R9AI mcu for this project. The problem is i have a spi based lcd display and i need to display the content constantly without flicker even in low pow...

STM32L432 EXTI strange behaviour

Hi,  I have three buttons - START, STOP and CH_SELECT which are serviced using EXTI interrupts. I have also a rotary encoder (A and B pins). Every button line is serviced on a separate IRQ line. Debouncing of the switch and rotary encoder pins is han...

tompa by Associate III
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  • 12 replies
  • 1 kudos

Which TIMs support Quadrature encoder

Hello,I am trying to use the quadrature encoder mode of the TIM in the STM32U585VITx, for positioning purposes of a stepper motor movement.According to DS13086, page 79, the general purpose timers (TIM2, TIM3, TIM4, TIM5, TIM15, TIM16, TIM17) support...

Elham by Associate II
  • 2078 Views
  • 12 replies
  • 2 kudos

STM32F07 Timer max. external clock

HiI want to use a STM32F072 (max. 48MHz) to monitor an external clock.The external clock has a frequency of 38.4MHz.My idea is to use timer TIM3 (32bit) as counter and use the external clock as clock source (external clock mode 1).I read the datashee...

Katagia by Associate II
  • 689 Views
  • 2 replies
  • 1 kudos

Using pre-programmed bootloader on STM32G0B0RE

helloI am developping on a STM32G0B0RE, I've learned after finishing my board and everything that boot pin can be used by default.It is not a problem since I have ST-Link for production but I would like to be able to do firmware update through bootlo...

Tiboww_0-1729088556950.png
Tiboww by Associate III
  • 2810 Views
  • 16 replies
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Resolved! STM32 CAN Normal mode

Hi All,I am currently working on the CAN normal mode in a custom board with MCU STM32F098RCT6 and CAN transceiver TJA1042. Very first I tried the loopback mode and it was successful. Then I am now trying to interface two custom boards using the norma...

Resolved! STM32F769 DCMI (Digital Camera interface)

Posted on February 16, 2017 at 07:28      1>> We understand thatSTM32F769 DCMI(Digital Camera interface) is able to process YCbCr 4:2:2 and RGB 565. We could see sample camera program in STM32Cube with video input as RGB 565 format to DCMI module and...