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| MSB900/L Detailed Technical Manual V1.0 | |||
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| X52 USB UDOC (not assembled) | |||||
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| Pin | Signal | Pin | Signal |
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| 1 | VCC | 6 | NC |
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| 2 | NC | 7 | GND |
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| 3 | 8 | NC |
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| 4 | NC | 9 | NC |
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| 5 | 10 | NC |
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Attention!
X52 for
| X60 | IDE Interface |
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| Pin | Signal | Pin | Signal | |
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| 1 | Reset (active low) | 2 | GND | |
| 3 | D7 | 4 | D8 | |
| 5 | D6 | 6 | D9 | |
| 7 | D5 | 8 | D10 | |
| 9 | D4 | 10 | D11 | |
| 11 | D3 | 12 | D12 | |
| 13 | D2 | 14 | D13 | |
| 15 | D1 | 16 | D14 | |
| 17 | D0 | 18 | D15 | |
| 19 | GND | 20 | (keypin) NC | |
| 21 | DREQ | 22 | GND | |
| 23 | IOW (active low) | 24 | GND | |
| 25 | IOR (active low) | 26 | GND | |
| 27 | IORDY | 28 | ALE / | |
| 29 | DACK | 30 | GND | |
| 31 | IRQ14 | 32 | NC | |
| 33 | ADR1 | 34 | NC | |
| 35 | ADR0 | 36 | ADR2 | |
| 37 | CS0 (active low) | 38 | CS1 (active low) | |
| 39 | LED (active low) | 40 | GND | |
| 41 | VCC Logic | 42 | VCC Motor | |
| 43 | GND | 44 | NC |
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