Pin # | Name     | Pin Type
-----------------------------
   1   | PHI2     | Clock/Input
   2   | RW       | Input
   3   | /CS4     | Input
   4   | /CS5     | Input
   5   | /CS6     | Input
   6   | A19      | Input
   7   | A20      | Input
   8   | A21      | Input
   9   | A22      | Input
  10   | A23      | Input
  11   | /CART    | Input
  12   | GND      | GND
  13   | NC       | Input
  14   | NC       | NC
  15   | NC       | NC
  16   | NC       | NC
  17   | NC       | NC
  18   | /RAM1    | Output
  19   | /RAM0    | Output
  20   | /ROM1    | NC
  21   | /ROM0    | Output
  22   | /RD      | Output
  23   | /WR      | Output
  24   | VCC      | VCC