Unlimited IO that won't impact' your BOM costs

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Today it is often not necessary to add external IO to a micro controller. If you realise a shortage of pins, you can just step up to the next package and get additional pins without any hassle. But what if the package is set for some reason, you want to add new functionality to an existing project or it just makes sense for the board layout? There are many reasons why external IO might be a good…

Read on /posts/190602_logic_io/ ↗