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Pinout von Programmable Timer Module (6840)
| VSS | 1 | O |
28 | <− |
C0 | |
| G2 | −> |
2 | 6840 | 27 | −> |
O0 |
| O2 | <− |
3 | 26 | <− |
G0 | |
| C2 | −> |
4 | 25 | <> |
DB0 | |
| G3 | −> |
5 | 24 | <> |
DB1 | |
| O3 | <− |
6 | 23 | <> |
DB2 | |
| C3 | −> |
7 | 22 | <> |
DB3 | |
| RESET | −> |
8 | 21 | <> |
DB4 | |
| IRQ | << |
9 | 20 | <> |
DB5 | |
| RS0 | −> |
10 | 19 | <> |
DB6 | |
| RS1 | −> |
11 | 18 | <> |
DB7 | |
| RS2 | −> |
12 | 17 | <− |
E | |
| R/W | −> |
13 | 16 | <− |
CS1 | |
| VCC | 14 | 15 | <− |
CS0 |