| # | Label | Type |
|---|---|---|
| 1 | VSS | gnd |
| 2 | RDY | in |
| 3 | PHI1O | out |
| 4 | ~IRQ | in |
| 5 | ~ML | out |
| 6 | ~NMI | in |
| 7 | SYNC | out |
| 8 | VCC | vcc |
| 9 | A0 | out |
| 10 | A1 | out |
| 11 | A2 | out |
| 12 | A3 | out |
| 13 | A4 | out |
| 14 | A5 | out |
| 15 | A6 | out |
| 16 | A7 | out |
| 17 | A8 | out |
| 18 | A9 | out |
| 19 | A10 | out |
| 20 | A11 | out |
| 21 | VSS | gnd |
| 22 | A12 | out |
| 23 | A13 | out |
| 24 | A14 | out |
| 25 | A15 | out |
| 26 | D7 | io |
| 27 | D6 | io |
| 28 | D5 | io |
| 29 | D4 | io |
| 30 | D3 | io |
| 31 | D2 | io |
| 32 | D1 | io |
| 33 | D0 | io |
| 34 | R/~W | out |
| 35 | ~BE | in |
| 36 | ~VP | out |
| 37 | PHI2I | in |
| 38 | ~SO | in |
| 39 | PHI2O | out |
| 40 | ~RES | in |