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monta
monta
Associate III
Oct 24, 2015 6:23 PM UTC
Question

STM32F070 Breakout board

Posted on October 24, 2015 at 20:23

I designed the following circuit to interface an STM32F070 Micro for a project I'm working on. 

I was hoping to get some feedback if I was doing everything the right way/will it work , before I order the PCB and BOM.

0690X00000605GxQAI.png
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    2 replies

    Tesla DeLorean
    Tesla DeLorean
    Guru
    Oct 24, 2015 9:22 PM UTC
    Posted on October 24, 2015 at 23:22

    I would probably place ALL the debug pins on a single header, ideally a standard one, but including SWDIO, SWCLK, NRST, GND, 3V3

    Do something specific with BOOT0, have a pull down for normal operation, but with the ability to drive it high to get into the system loader.

    Consider adding an 32 KHz Oscillator, via PC14/PC15

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    Popcorn
    Popcorn
    Associate III
    May 22, 2016 10:06 PM UTC
    Posted on May 23, 2016 at 00:06

    This is a very old post, and I'm sure you have unfortunately found out the hard way that there is a problem with your circuit, but for future reference to anyone looking at this circuit, VDDA is incorrectly connected to GND and VSSA is incorrectly connected to VDD.

    Sorry no one caught it in time, but hopefully this helps someone in the future.

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