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7 votes
4 answers
645 views

STM32F4 TQFP100 part orientation

I have mounted a STM32F446VETx on my PCB as shown on a picture of my PCB: For me the pin 1 marker in the big mark at the top right of the picture, near C67. But, after a lot of trial, I can't connect ...
Blup1980's user avatar
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4 votes
2 answers
439 views

Is this a fake STM32F105? There is no parts listed with that many pins

I am working with a device that has a 100 pin qfp it is labeled: ARM Z STM32F105R8T6 But this part only seems to be available in a 64 pin package. The R in the number dictates that it is a 64 pin ...
Newbie Noob's user avatar