STM32 MCUs Products

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Resolved! LPUART baudrate Error Calculation

Please Provide LPUART baud rate error calculation for the frequency clock above 100 MHz. In Reference manual [LPUART], Only for frequency clock = 100 MHz baud rate error calculations are given. Please Provide frequency other than 100MHz

Alagesan by Associate II
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  • 3 replies
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Resolved! GPIO state in Shutdown mode

Hey there.Iam using a L432KC for a simpe periodic SPI communication with another device.when the communication is done the device is sent to sleep.and then the MCU goes into shutdown mode with HAL_PWR_EnterSTANDBYMode();The problem is that the device...

MSimo.1 by Associate II
  • 2067 Views
  • 3 replies
  • 1 kudos

Resolved! Change all JTAG pins to inputs to prevent read out of RAM?

How safe is it to change all JTAG pins to inputs to prevent read out of RAM in protection level 1?I tried it today and I could no longer connect to the board and dump the RAM. But how safe is it?I read about the Nintendo Game & Watch that use an STM3...

MSipo by Senior II
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  • 4 replies
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STM32F4 discovery board and arduino SPI problem

Hello,I'm trying to establish SPI communication between STM32F4 discovery board with STM32F407 MCU and an Arduino uno. The arduino acts as a master and I'm using it to interface my board(which acts as slave) with the PC since I like arduino uno's ser...

PPopo by Senior
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  • 3 replies
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Resolved! How to erase pages on bank 2 on stm32g4?

I was trying to erase some flash pages on an stm32g474re nucleo (and on a custom board with the stm32g474veh3).The flash pages are all on flash bank 2, because i read in the reference manual that flash bank 2 can be written while code is running from...

USB CDC communication failure due to EMI

Hi everyone,We are facing issues with USB in our new products due to EMC (electromagnetic compatibility). IEC61000-4-4 burst, mediuum severity.The USB stops working fequently when the device is connected to a PC and a burst is applied to the AC power...

FDigi by Associate III
  • 1189 Views
  • 2 replies
  • 0 kudos