
UNO-2053E User Manual 20
A.9 Enhanced IDE Connector (CN2)
Table A.9: IDE Hard Drive Connector Pin Assigns
Pin Signal Name Pin Signal Name
1 IDE RESET 2 GND
3 DATA 7 (*2) 4 DATA 8 (*2)
5 DATA 6 (*2) 6 DATA 9 (*2)
7 DATA 5 (*2) 8 DATA 10 (*2)
9 DATA 4 (*2) 10 DATA 11 (*2)
11 DATA 3 (*2) 12 DATA 12 (*2)
13 DATA 2 (*2) 14 DATA 13 (*2)
15 DATA 1 (*2) 16 DATA 14 (*2)
17 DATA 0 (*2) 18 DATA 15 (*2)
19 SIGNAL GND 20 N/C
21 DMA REQUEST 22 GND
23 IO WRITE (*2) 24 GND
25 IO READ (*2) 26 GND
27 IO CHANNEL 28 GND (*1)
READY
29 HDACK 30 GND
31 IRQ 32 N/C
33 ADDR 1 34 N/C
35 ADDR 0 36 ADDR 2
37 HARD DISK 38 HARD DISK
SELECT 0 (*2) SELECT 1 (*2)
39 IDE ACTIVE 40 GND
41 VCC 42 VCC
43 GND 44 N/C
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