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Pinout von Z80 Serial In/Out (Z8441)
| DB1 | <> |
1 | O |
40 | <> |
DB0 |
| DB3 | <> |
2 | Z8441 | 39 | <> |
DB2 |
| DB5 | <> |
3 | 38 | <> |
DB4 | |
| DB7 | <> |
4 | 37 | <> |
DB6 | |
| INT | << |
5 | 36 | <− |
IORQ | |
| IEI | −> |
6 | 35 | <− |
CE | |
| IEO | <− |
7 | 34 | <− |
B/A Sel | |
| M1 | −> |
8 | 33 | <− |
C/D Sel | |
| VCC | 9 | 32 | <− |
RD | ||
| W/RDY1 | <− |
10 | 31 | VSS | ||
| SYNC1 | <> |
11 | 30 | −> |
W/RDY2 | |
| RxD1 | −> |
12 | 29 | <> |
SYNC2 | |
| RxC1 | −> |
13 | 28 | <− |
RxD2 | |
| TxC1 | −> |
14 | 27 | <− |
RxC2 | |
| TxD1 | <− |
15 | 26 | <> |
TxC2 | |
| DTR1 | <− |
16 | 25 | −> |
TxD2 | |
| RTS1 | <− |
17 | 24 | −> |
RTS2 | |
| CTS1 | −> |
18 | 23 | <− |
CTS2 | |
| DCD1 | −> |
19 | 22 | <− |
DCD2 | |
| CLK | −> |
20 | 21 | <− |
RESET |