STM32 MCUs Products

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I2S clock soruce - internal MSI RC or external HSE ?

I am using I2S (SAI) on the STM32L433 nucleo board and using the internal MSI RC as the clock source.I also have a 32.768kHz LSE external crystral which I believe helps to make the MSI RC clock more accurate when used with PLL.Is the internal MSI RC ...

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Choosing Internal vs external Clock

I do a project with the newer STM32 G , C series and i am curious what are the benefits of external clock vs using the internal clock, because it will save cost and layout space ?

DJMicro by Associate
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  • 2 replies
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BiSS-C Encoder feedback on EVSPIN32G4

Hello, as in this post i'm linkingIs there a way to use absolute encoders/resolvers ... - STMicroelectronics Communityi need to use a Biss-c absoulte encoder for a servo drive application using BLDC motors with STSPIN32G4, we are testing using EVSPIN...

Resolved! Changing the pin connections on the STM32F407VET6

Hi.I have Uart pins (Rx/Tx) PA3 and PA2 on STM32F407VET6. Can these pins be changed to I2C (SDA SCL) in the program?Are the pins on STM32 that have been assigned a protocol (SPI/I2C/Uart) constant and cannot be changed or replaced?Thank you.

No_Name by Associate III
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  • 7 replies
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STM32F407 Option Byte 0xFF, bricked chip

Hi fellows,I have a custom board with STM32F407VGT6. The board was able to be programmed via the JTAG (4 wire JTAG interface; Boot pin is pulled low to ground and reset is connected to the JTAG interface (Nrset pin)) with a segger programmer - multip...

Ratschaka by Associate II
  • 263 Views
  • 12 replies
  • 1 kudos

LPTIMER Counter for Delay in STOP2 mode not working

Hello,I have application which go to STOP2 mode once no LPUART/Modbus communication (Running at 32Khz LSI clock) is in progress.Using lptimer for silence timeout logic for UART data frame completion. The code sometimes cause delay during modbus commu...

npatil15 by Associate III
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  • 0 replies
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Resolved! DMA to SPI triggered by Timer STM32H723

Hi All,I am trying to send data to SPI1 via DMA1 Stream 0, using a timer to trigger DMA.Currently, I have used TIM4 Channel2 and Enabled DMA Update with DIER register (UDE bit).DMAMUX1 Channel 0 Request is set to 32.So far, this part seems to work: I...

thomas23 by Associate II
  • 1316 Views
  • 3 replies
  • 2 kudos