
KTD-S0008-F Page 26 EIDE Interface (P-ATA)
JRexplus-DC User's Guide
11.2 Compact Flash Card Interface
The same primary IDE channel is realized as a CF card interface, also capable of UDMA. The interface has
jumper options to be either a master or slave device. If for example the Compact Flash card is set to master
only a slave device can be connected to the 44 pin IDE connector.
11.2.1 Connector
The CF card interface is available through the standard CF connector J97 (50 pins).
Pin Signal Name Function Pin Signal Name Function
1 GND Ground 2 D3 Data 3
3 D4 Data 4 4 D5 Data 5
5 D6 Data 6 6 D7 Data 7
7 /CS1 Chip select 1 8 GND Ground
9 GND Ground 10 GND Ground
11 GND Ground 12 GND Ground
13
VCC3
1)
Power +3.3V 14 GND Ground
15 GND Ground 16 GND Ground
17 GND Ground 18 SA2 Address 2
19 SA1 Address 1 20 SA0 Address 0
21 D0 Data 0 22 D1 Data 1
23 D2 Data 2 24 N.C. Not connected
25 GND Ground 26 GND Ground
27 D11 Data 11 28 D12 Data 12
29 D13 Data 13 30 D14 Data 14
31 D15 Data 15 32 /CS3 Chip select 3
33 GND Ground 34 /IOR I/O read
35 /IOW I/O write 36
VCC3
1)
Power +3.3V
37 IRQ Interrupt 38
VCC3
1)
Power +3.3V
39 GND Ground 40 N.C. Not connected
41 /RESET Reset 42 IOCHRDY I/O channel ready
43 /DRQ DMA request 44 /DACK DMA acknowledge
45 ACT Drive activity 46 ATAD UDMA detection
47 D8 Data 8 48 D9 Data 9
49 D10 Data 10 50 GND Ground
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