| Z 80 DART | Pin | Use | Pin | Use | Pin | Use | Pin | Use |
|---|---|---|---|---|---|---|---|---|
 |
1 | D1 | 11 | *RIA | 21 | *RESET | 31 | GND |
| 2 | D3 | 12 | RxDA | 22 | *DCDB | 32 | *RD | |
| 3 | D5 | 13 | *RxCA | 23 | *CTSB | 33 | C/*D | |
| 4 | D7 | 14 | *TxCA | 24 | *RTSB | 34 | B/*A | |
| 5 | *INT | 15 | TxDA | 25 | *DTRB | 35 | *CE | |
| 6 | IEI | 16 | *DTRA | 26 | TxDB | 36 | *IORQ | |
| 7 | IEO | 17 | *RTSA | 27 | *RxTxCB | 37 | D6 | |
| 8 | *M1 | 18 | *CTSA | 28 | RxDB | 38 | D4 | |
| 9 | + 5V | 19 | *DCDA | 29 | *RIB | 39 | D2 | |
| 10 | *W/RDYA | 20 | CLOCK | 30 | *W/RDYB | 40 | D0 |