DEC Keyboard internals/hardware info...

[Roger Ivie]

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
http://www.bitsavers.org/pdf/dec/pdp11/pro3xx/EK-PC300-V1-001_pro300tecV1.pdf
-- 
roger ivie
rivie at ridgenet.net