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machinist
Associate III
since ‎2018-07-19
‎2024-04-29

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  • 31 Posts
  • 1 Solutions
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User Activity

Broken device through optoin bytes

2024-04-29
Hello, I am currently fiddling around with a STM32G491 in bare metal. I wanted to test the write protection. So I executed following code               FLASH->KEYR = FLASH_KEY1; FLASH->KEYR = FLASH_KEY2; while(FLASH->CR&bit31); // wait for unlock...

Read 96 bit UDID through serial bootloader or SWD

2021-08-10
Hello,I am working on the STM32F103xx. I need to read out the 96 bit UDID (unique device ID) of the devices during production. Is there any way of reading this out from the serial bootloader on UART1 or through the SWD interface? I searched the AN315...

identifie counterfeit

2021-04-13
Hello,we had trouble with a batch of STM32F103CBT7 processors. I have read a lot about counterfeit CPU's. I had the Error 18 in CubeIDE and 5 out of 1000 IC's did not work as our stock ones (STM32F103CBT6). The UID of one of the chips is UID0= 0x0047...

STM32F103 longterm availability and EOL

2021-03-18
Hello,I jsut heard a roumor that the STM32F103 was issued end of life. Is this true or is it false info because there is a current shortage in the wafers? Does anyone have reliable information?Thanks!

UART in full duplex missing bytes

2021-03-18
Hello,I have an application where I transfer data to and from a PC with a FT232R and a UART. There is data beeing transfered back and foth constantly and asynchrone to another, so it is sending and receiveing at any random time and simultaneously. Se...
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