CompactFlash uses a 50-Pin connector [2 rows of 25 pins]. |
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Active low signal use a - prefix. The CompactFlash card operates in one
of three modes. The function of some of the pins change with each mode.
The three modes are PC Card ATA using I/O mode, PC Card ATA using Memory
mode, and True IDE mode compatible with most IDE drives. This page lists
the PC Card Memory Module pinout.
Refer to these pages for additional pin
out styles of CompactFlash.
PC Card I/O Mode
Pinout
True IDE Mode Pinout
The main CompactFlash page.
Current CompactFlash memory sizes include 2GB, 4GB and 8GB modules.
Pin Number | Signal Function | Pin Type | In, Out Type |
1 | GND | - | Ground |
2 | D03 | I/O | I1Z, 0Z3 |
3 | D04 | I/O | I1Z, 0Z3 |
4 | D04 | I/O | I1Z, 0Z3 |
5 | D06 | I/O | I1Z, 0Z3 |
6 | D07 | I/O | I1Z, 0Z3 |
7 | -CE1 | I | I3U |
8 | A10 | I | I1Z |
9 | -OE | I | I3U |
10 | A09 | I | I1Z |
11 | A08 | I | I1Z |
12 | A07 | I | I1Z |
13 | Vcc | - | Power |
14 | A06 | I | I1Z |
15 | A05 | I | I1Z |
16 | A04 | I | I1Z |
17 | A03 | I | I1Z |
18 | A02 | I | I1Z |
19 | A01 | I | I1Z |
20 | A00 | I | I1Z |
21 | D00 | I/O | I1Z, OZ3 |
22 | D01 | I/O | I1Z, OZ3 |
23 | D02 | I/O | I1Z, OZ3 |
24 | WP | O | OT3 |
25 | -CD2 | O | Ground |
26 | -CD1 | O | Ground |
27 | D11 | I/O | I1Z, OZ3 |
28 | D12 | I/O | I1Z, OZ3 |
29 | D13 | I/O | I1Z, OZ3 |
30 | D14 | I/O | I1Z, OZ3 |
31 | D15 | I/O | I1Z, OZ3 |
32 | -CE2 | I | I3U |
33 | -VS1 | O | Ground |
34 | -IORD | I | I3U |
35 | -IOWR | I | I3U |
36 | -WE | I | I3U |
37 | Ready | O | OT1 |
38 | Vcc | - | Power |
39 | -CSEL | I | I2Z |
40 | -VS2 | O | Open |
41 | RESET | I | I2Z |
42 | -WAIT | O | OT1 |
43 | -INPACK | O | OT1 |
44 | -REG | I | I3U |
45 | BVD2 | O | OT1 |
46 | BVD1 | O | OT1 |
47 | DO8 | I/O | I1Z, OZ3 |
48 | DO9 | I/O | I1Z, OZ3 |
49 | D10 | I/O | I1Z, OZ3 |
50 | GND | - | Ground |
As this page only lists the pinout for one mode of a CompactFlash card, it serves only to assist in debug effects.
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