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Table 2– 27. IDE Interface Connectors (J12, J17)
Pin | Signal Name | Function | In/Out |
J12, J17 |
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1 | HOST RESET* | Reset signal from host | OUT |
2 | GND | Ground | OUT |
3 | HOST D7 | Data bit 7 | I/O |
4 | HOST D8 | Data bit 8 | I/O |
5 | HOST D6 | Data bit 6 | I/O |
6 | HOST D9 | Data bit 9 | I/O |
7 | HOST D5 | Data bit 5 | I/O |
8 | HOST D10 | Data bit 10 | I/O |
9 | HOST D4 | Data bit 4 | I/O |
10 | HOST D11 | Data bit 11 | I/O |
11 | HOST D3 | Data bit 3 | I/O |
12 | HOST D12 | Data bit 12 | I/O |
13 | HOST D2 | Data bit 2 | I/O |
14 | HOST D13 | Data bit 13 | I/O |
15 | HOST D1 | Data bit 1 | I/O |
16 | HOST D14 | Data bit 14 | I/O |
17 | HOST D0 | Data bit 0 | I/O |
18 | HOST D15 | Data bit 15 | I/O |
19 | GND | Ground | OUT |
20 | KEY | Keyed pin | N/C |
21 | DRQ0 | DMA Request 0 | OUT |
22 | GND | Ground | OUT |
23 | HOST IOW* | Write strobe | OUT |
24 | GND | Ground | OUT |
25 | HOST IOR* | Read strobe | OUT |
26 | GND | Ground | OUT |
27 | IDERDY | I/O Channel Ready | OUT |
28 | RSVD | Reserved | N/C |
29 | DACK0* | DMA Acknowledge 0 | IN |