B.2.6 FDD Interface
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| Half pitch female |
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(Note) I/Os are input/output as viewed from this device. |
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Pin no. | Signal name |
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| I/O | Pin no. | Signal name | I/O | ||
1 |
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| SIDE1 SEL |
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| O | 14 | WRITE PROTECT* | I |
2 |
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| READ DATA |
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| O | 15 | TRACK 00* | I |
3 |
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| GND | - | 16 | GND | - | ||
4 |
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| GND | - | 17 | WRITE GATE* | O | ||
5 |
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| GND | - | 18 | GND | - | ||
6 |
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| WRITE DATA |
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| O | 19 | GND | - |
7 |
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| DENSITY SEL |
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| O | 20 | STEP* | O |
8 |
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| RESERVE | - | 21 | DIRECTIOEN* | O | ||
9 |
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| READY | - | 22 | MOTOR ON | O | ||
10 |
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| DRIVE SEL |
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| O | 23 | MEDIA | I |
11 |
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| P5 | - | 24 | DISK CHANGE | I | ||
12 |
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| P5 | - | 25 | NC | - | ||
13 |
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| INDEXL |
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| O | 26 | P5 | - |
6F8C1111 | 53 |