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Offline BurnedResistorTopic starter

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Identifying IC
« on: December 01, 2015, 04:08:11 pm »
Hey all,

Sorry of this is the wrong category... Ill be more than happy to repost to the right one - just let me know :)

Got my hands on a cheap hexa-copter from china. When looking inside I found these two chips. I have searched through google and digikey and have not been able to find any info.

Thanks for the help!
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Offline ChristofferB

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Re: Identifying IC
« Reply #1 on: December 01, 2015, 04:48:58 pm »
Well those are tricky.. IC1 seems to be labeled SWDAT, whatever that is.
Are they sitting close/have bus wiring to something, indicating their function?
-I think it's likely they're custom parts, unfortunately.

--Christoffer
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--Christoffer //IG:Chromatogiraffery
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Offline BurnedResistorTopic starter

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Re: Identifying IC
« Reply #2 on: December 01, 2015, 05:09:40 pm »
IC1 has some lines going to a wireless module labeled mosi and miso.. So i am guessing it is some micro, and why would you spin your own micro?
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Offline mark03

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Re: Identifying IC
« Reply #3 on: December 01, 2015, 05:54:41 pm »
I think the "F103" part is a Giga Device clone of the STM32F103.
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Offline Koen

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Re: Identifying IC
« Reply #4 on: December 02, 2015, 03:18:04 am »
U2 is Bosch BMI-055 inertial sensor.
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Offline BurnedResistorTopic starter

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Re: Identifying IC
« Reply #5 on: December 02, 2015, 08:07:01 am »
Yep that makes perfect sense!

Thanks!
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