ADLINK Technology NuPRO-840 DV, User Manual, Page: 56 / 62

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Appendix B
Secondary IDE Connector– CN3
Table 22: :Pin Assignment of Secondary IDE Connector
Pin Signal Function Pin Signal Function
1 SIDERSTJ Reset 2 GND Ground
3 SDD7 Data 7 4 SDD8 Data 8
5 SDD6 Data 6 6 SDD9 Data 9
7 SDD5 Data 5 8 SDD10 Data 10
9 SDD4 Data 4 10 SDD11 Data 11
11 SDD3 Data 3 12 SDD12 Data 12
13 SDD2 Data 2 14 SDD13 Data 13
15 SDD1 Data 1 16 SDD14 Data 14
17 SDD0 Data 0 18 SDD15 Data 15
19 GND Ground 20 KEY -
21 SDREQ Request 22 GND Ground
23 SDIOWJ I/O Write 24 GND Ground
25 SDIORJ I/O Read 26 GND Ground
27 SIORDY I/O Ready 28 GND Ground
29 SDDACKJ DMA
Acknowledge 30 GND Ground
31 SIDEIRQ Interrupt
Request 32 NC No Connect
33 SDA1 Device
Address 1 34 S66DECT ATA66/100
Detection
35 SDA0 Device
Address 0 36 SDA2 Device
Address 2
37 SDCSJ1 Chip Select 1 38 SDCS3 Chip Select 3
39 IDEACTSJ Device Active 40 GND Ground