Infogrip BAT Keyboard

From Hackstrich

DIN-5 - AT (notch down, 14253 clockwise from left)

  1. CLK 75ls05 pin 8 (in: 9 80c31 pin 7 = p1.6)
  2. DAT 75ls05 pin 6 (in: 5 80c31 pin 5 = p1.4)
  3. n/c (reset?)
  4. GND
  5. +5V

MiniDIN-5 - Keyboard Input? (notch down)

  1  K
2      3
  4  5
  1. 75ls05 pin 4 (in: 3 80c31 pin 3 p1.2)
  2. 75ls05 pin 2 (in: 1 80c31 pin 1 p1.0)
  3. at 3 (n/c?)
  4. at 4 (gnd)
  5. at 5 (+5v)

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