
Interface Signals
DRIVE INTERFACE SIGNALS
| PIN | SIGNAL | PIN | SIGNAL | 
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| 1 | RESET | 2 | GROUND | 
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| 3 | DD 7 | 4 | DD 8 | 
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| 5 | DD 6 | 6 | DD 9 | 
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| 7 | DD 5 | 8 | DD 10 | 
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| 9 | DD 4 | 10 | DD 11 | 
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| 11 | DD 3 | 12 | DD 12 | 
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| 13 | DD 2 | 14 | DD 13 | 
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| 15 | DD 1 | 16 | DD 14 | 
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| 17 | DD 0 | 18 | DD 15 | 
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| 19 | GROUND | 20 | OPEN | 
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| 21 | DMARQ | 22 | GROUND | 
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| 23 | DIOW/STOP | 24 | GROUND | 
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| 25 | DIOR/ | 26 | GROUND | 
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 | HSTROBE | 
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| 27 | IORDY/ | 28 | CSEL | 
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 | DSTROBE | 
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| 29 | DMACK | 30 | GROUND | 
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| 31 | INTRQ | 32 | IOCS16 | 
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| 33 | DA1 | 34 | PDIAG | 
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| 35 | DA0 | 36 | DA 2 | 
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| 37 | CS0 | 38 | CS1 | 
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| 39 | DASP | 40 | GROUND | 
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| 41 | 3.3V (LOGIC) | 42 | 3.3V (MOTOR) | 
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| 43 | GROUND | 44 | RESERVED | 
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Note: Symbol () in front of signal indicates negative logic.
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