STM32 MCUs products

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STM32F4 Bad UART communication

Posted on November 13, 2016 at 16:00Hello,I created a project using CubeMX and I want to send messages via UART. I used a HAL_DAC_Start_DMA function. My problem is that when I'm sending some messages only 20 first characters are sent but after I sen...

michalt by Associate II
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STM32F103 Problem with reading EEPROM

Posted on July 18, 2016 at 09:19 Hey friends, I am trying to initialize I2C to read the content of 24AA02E48TEEPROM but after initializing the I2C busy_flag stays set. the code gets stock atwhile(I2C_GetFlagStatus(I2Cx, I2C_FLAG_BUSY )); ...

problem sending online support request

Posted on November 12, 2016 at 18:26HelloThere seems to be a problem sending online support request, when i try to log in to request page i face this message:We're sorry, but the last operation caused an error.You did not have a privilege required t...

How RESET address is determined in STM32?

Posted on November 10, 2016 at 05:25Hi, I know that when a stm32 mcu resets, it first jumps to address 0x0 where a vector table resides. And then it jumps to reset handler. My question is, how is the vector table flashed at address 0x0 ? Is it decid...

Current consumption and state of GPIO in StandBy mode?

Posted on November 11, 2016 at 18:35For the STM32F0 device, in the standby mode after executing the function HAL_PWR_EnterSTANDBYMode(), will all the GPIO pins (except for the wakup pin and RTC tamper ...) are put in highZ mode?  Or is it something ...

Vu.Andy by Associate III
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The example of receiving ethrnet frames

Posted on November 08, 2016 at 09:43Hi!I am the beginner in ethernet on STM32F407.I connected STM32F407 to LAN8720, LAN8720 connected through ethernet cable to PC.   I set IP-address 192.168.0.10 (255.255.255.0) for the PC and on the PC I did ping 1...