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Pinout von Floppy Disk Formatter/Controller (True Data, RG) (WD1793)
| n.c. | 1 | O |
40 | VDD | ||
| WE | −> |
2 | WD1793 | 39 | >> |
IRQ |
| CS | −> |
3 | 38 | >> |
DRQ | |
| RE | −> |
4 | 37 | <− |
DDEN | |
| A0 | −> |
5 | 36 | <− |
WPRT | |
| A1 | −> |
6 | 35 | <− |
IP | |
| DB0 | <> |
7 | 34 | <− |
TR00 | |
| DB1 | <> |
8 | 33 | <> |
WF/VFOE | |
| DB2 | <> |
9 | 32 | <− |
READY | |
| DB3 | <> |
10 | 31 | −> |
WD | |
| DB4 | <> |
11 | 30 | −> |
WG | |
| DB5 | <> |
12 | 29 | −> |
TG43 | |
| DB6 | <> |
13 | 28 | −> |
HLD | |
| DB7 | <> |
14 | 27 | <− |
RAW READ | |
| STEP | <− |
15 | 26 | <− |
RCLK | |
| DIRC | <− |
16 | 25 | −> |
RG | |
| EARLY | <− |
17 | 24 | <− |
CLK | |
| LATE | <− |
18 | 23 | <− |
HLT | |
| MR | −> |
19 | 22 | <− |
TEST | |
| VSS | 20 | 21 | VCC |