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1min

The Suzy ASIC (Atari Lynx II)

The Suzy chip is one of two ASICs on the Atari Lynx II.

The console will not operate at all without both chips present.

Atari Lynx II Suzy & Hayato
Atari Lynx II Suzy & Hayato
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The Suzy is clearly responsible for the button presses on the console based on the schematic.

Atari Lynx II Suzy & Hayato
Atari Lynx II Suzy & Hayato
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However, one thing I discovered through a broken Atari Lynx II was the Suzy is actually responsible for generating the pixel data.

The Hayato drives the LCD, however the exact pixel data it sends to the screen comes from the Suzy chip.

So the Suzy chip also handles video data construction.

Updated 03 Mar 2023
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The Hayato ASIC (Atari Lynx II)
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