6809

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Motorola 6809 and Hitachi 63C09 CPU.

      +--------------+
  GND |1    +--+   40| /HALT
 /NMI |2           39| EXTAL
 /IRQ |3           38| XTAL
/FIRQ |4           37| /RST
   BS |5           36| MRDY
   BA |6           35| Q
  VCC |7           34| E
   A0 |8           33| /BREQ
   A1 |9           32| R / /W
   A2 |10  MC6809  31| D0
   A3 |11  H63C09  30| D1
   A4 |12          29| D2
   A5 |13          28| D3
   A6 |14          27| D4
   A7 |15          26| D5
   A8 |16          25| D6
   A9 |17          24| D7
  A10 |18          23| A15
  A11 |19          22| A14
  A12 |20          21| A13
      +--------------+