this post was submitted on 06 Aug 2024
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ESP32

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A die shot of an ESP32 (upload.wikimedia.org)
submitted 4 months ago* (last edited 4 months ago) by chaospatterns to c/esp32
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Source: https://commons.wikimedia.org/wiki/File:ESP32-Dieshot.jpg

It's interesting how they are able to fit some much in a small space ~~considering most of it appears to be memory~~.

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[–] [email protected] 6 points 4 months ago (1 children)

What are the octagons?

[–] [email protected] 7 points 4 months ago (1 children)

Inductors! They are being used for the RF stuffs (and maybe some clock PLLs).

[–] scarilog 2 points 4 months ago

Had no idea you could put inductors ON the die, but in hindsight, I guess there's no reason why not.

~8.5mm^2 of pure magic as far as I'm concerned.