Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Showing posts with label electronics. Show all posts

Showing posts with label electronics. Show all posts

Counting bits in hardware: reverse engineering the silicon in the ARM1 processor

How can you count bits in hardware? In this article, I reverse-engineer the circuit used by the ARM1 processor to count the number of set ...

Reverse engineering the ARM1, ancestor of the iPhone's processor

Almost every smartphone uses a processor based on the ARM1 chip created in 1985. The Visual ARM1 simulator shows what happens inside the...

Creating high resolution integrated circuit die photos with Hugin or ICE

Have you ever wanted to take a bunch of photos of an integrated circuit die and combine them into a high-res image? The stitching software...

Macbook charger teardown: The surprising complexity inside Apple's power adapter

Have you ever wondered what's inside your Macbook's charger? There's a lot more circuitry crammed into the compact power adap...

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