User's Manual
J3 (CompactFlash)
No. Signal name Function Input / Output
1 GND CF ground -
2 CF_D3 CF 16 bit data bus IN/OUT
3 CF_D4 CF 16 bit data bus IN/OUT
4 CF_D5 CF 16 bit data bus IN/OUT
5 CF_D6 CF 16 bit data bus IN/OUT
6 CF_D7
CF 16 bit data bus
IN/OUT
7 CF_CS0X CF chip select OUT
8 GND(CF_A10) Ground (CF 24 bit address bus) -
9 GND(CF_ATASELX) Ground (CF output enable) -
10 GND(CF_A9) Ground (CF 24 bit address bus) -
11 GND(CF_A8) Ground (CF 24 bit address bus) -
12 GND(CF_A7)
Ground (CF
24 bit address bus)
-
13 VCC CF logic power supply OUT
14 GND(CF_A6) Ground (CF 24 bit address bus) -
15 GND(CF_A5) Ground (CF 24 bit address bus) -
16 GND(CF_A4) Ground (CF 24 bit address bus) -
17 GND(CF_A3) Ground (CF 24 bit address bus) -
18 CF_A2
CF 24 bit address bus
IN/OUT
19 CF_A1
CF 24 bit address bus
IN/OUT
20 CF_A0 CF 24 bit address bus IN/OUT
21 CF_D0
CF
16 bit data bus
IN/OUT
22 CF_D1
CF 16 bit data bus
IN/OUT
23 CF_D2
CF 16 bit data bus
IN/OUT
24 CF_IOCS16X Not used IN/OUT
25 CF_CD2X CF card detect OUT
26 CF_CD1X CF card detect OUT
27 CF_D11
CF 16 bit data bus
IN/OUT
28 CF_D12
CF
16 bit data bus
IN/OUT
29 CF_D13
CF 16 bit data bus
IN/OUT
30 CF_D14
CF 16 bit data bus
IN/OUT
31 CF_D15
CF 16 bit data bus
IN/OUT
32 CF_CS1X CF chip select OUT
33 CF_VS1X CF voltage sense IN
34 CF_IORDX
CF read strobe input - output
IN/OUT
35 CF_IOWRX CF write enable input - output IN/OUT
36 VCC(CF_WEX) CF logic power supply (write enable) IN
37 CF_INTRQ
CF interruption
IN
38 VCC CF logic power supply OUT
39 GND(CF_CSELX)
CF ground (chip select)
-
40 CF_VS2X
CF voltage sense
IN
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