DEC Keyboard internals/hardware info...

Roger Ivie rivie at
Sun Nov 29 23:44:10 CST 2009

On Sun, 29 Nov 2009, Curt @ Atari Museum wrote:
> Any know of a site that has the full hardware technicals on the DEC 
> keyboards?   I want to try interfacing one to ATMEGA MCU for a potential 
> keyboard interface, but I need to know its protocol, timing, etc....

There's a chapter in the Pro350 technical manual that covers the
keyboard protocol. See Chapter 9 in
roger ivie
rivie at

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