 68 pin MALE connector at the controller | CardBus, the 32-bit high performance bus mastering architecture for PC Cards, was standardized by the PCMCIA in May 1996. This bus is targeted to mobile computers. PCI-like 32-bit interface operates at a power-saving 3.3 volts, and cards can include standardized power-management mechanisms. The CardBus interface allows an I/O adapter or a memory module to be added to or removed without disrupting the system"s operation. It adds high bandwidth PCI-based capabilities to the PC Card technology.
CardBus PC Cards are attached to their host system through a sturdy 68-pin connector, which is common to all PC Cards. (CardBus cards employ a shielding shroud around this connector, to enhance their signal integrity).
CardBus cards adopt the well-established PC Card form-factors. There are different types of CardBus cards (sizes are TxLxW): - Type I: 3.3mm x 85.6mm x 54.0mm
- Type II: 5.0mm x 85.6mm x 54.0mm
- Type III: 10.5mm x 85.6mm x 54.0mm
CardBus provides a 32-bit multiplexed address/data path, which operates at PCI local-bus speeds of up to 33 MHz, yielding a peak bandwidth of 132MB/sec. CardBus accomplishes this by adopting the synchronous burst-transfer orientation of PCI, as well as a bus protocol, which is essentially identical to that of PCI.
|
Pin
|
Name
|
Description |
|
1 |
GND
|
Ground
|
|
2 |
CAD0
|
Address/Data 0 |
|
3 |
CAD1
|
Address/Data 1 |
|
4 |
CAD3
|
Address/Data 3 |
|
5 |
CAD5
|
Address/Data 5 |
|
6 |
CAD7
|
Address/Data 7 |
|
7 |
CCBE0#
|
Command/Byte Enable 0 |
|
8 |
CAD9
|
Address/Data 9 |
|
9 |
CAD11
|
Address/Data 11
|
|
10
|
CAD12
|
Address/Data 12
|
|
11
|
CAD14
|
Address/Data 14
|
|
12
|
CCBE1#
|
Command/Byte Enable 1 |
|
13
|
CPAR
|
Parity
|
|
14
|
CPERR#
|
Parity error
|
|
15
|
CGNT#
|
Grant
|
|
16
|
CINT#
|
Interrupt
|
|
17
|
Vcc
|
Vcc
|
|
18
|
Vpp1
|
Vpp1
|
|
19
|
CCLK
|
CCLK
|
|
20
|
CIRDY#
|
Initiator Ready
|
|
21
|
CCBE2#
|
Command/Byte Enable 2 |
|
22
|
CAD18
|
Address/Data 18
|
|
23
|
CAD20
|
Address/Data 20
|
|
24
|
CAD21
|
Address/Data 21
|
|
25
|
CAD22
|
Address/Data 22
|
|
26
|
CAD23
|
Address/Data 23
|
|
27
|
CAD24
|
Address/Data 24
|
|
28
|
CAD25
|
Address/Data 25
|
|
29
|
CAD26
|
Address/Data 26
|
|
30
|
CAD27
|
Address/Data 27
|
|
31
|
CAD29
|
Address/Data 29
|
|
32
|
RSRVD
|
Reserved
|
|
33
|
CCLKRUN#
|
CCLKRUN#
|
|
34
|
GND
|
Ground
|
|
35
|
GND
|
Ground
|
|
36
|
CCD1#
|
Card Detect 1 |
|
37
|
CAD2
|
Address/Data 2 |
|
38
|
CAD4
|
Address/Data 4 |
|
39
|
CAD6
|
Address/Data 6 |
|
40
|
RSRVD
|
Reserved
|
|
41
|
CAD8
|
Address/Data 8 |
|
42
|
CAD10
|
Address/Data 10
|
|
43
|
CVS1
|
|
|
44
|
CAD13
|
Address/Data 13
|
|
45
|
CAD15
|
Address/Data 15
|
|
46
|
CAD16
|
Address/Data 16
|
|
47
|
RSRVD
|
Reserved
|
|
48
|
CBLOCK#
|
Block ???
|
|
49
|
CSTOP#
|
Stop transfer cycle
|
|
50
|
CDEVSEL#
|
Device Select
|
|
51
|
Vcc
|
Vcc
|
|
52
|
Vpp2
|
Vpp2
|
|
53
|
CTRDY#
|
Target Ready
|
|
54
|
CFRAME#
|
Address or Data phase
|
|
55
|
CAD17
|
Address/Data 17
|
|
56
|
CAD19
|
CAD19
|
|
57
|
CVS2
|
|
|
58
|
CRST#
|
Reset
|
|
59
|
CSERR#
|
System Error
|
|
60
|
CREQ#
|
Request ???
|
|
61
|
CCBE3#
|
Command/Byte Enable 3 |
|
62
|
CAUDIO
|
Audio ???
|
|
63
|
CSTSCHG
|
|
|
64
|
CAD28
|
Address/Data 28
|
|
65
|
CAD30
|
Address/Data 30
|
|
66
|
CAD31
|
Address/Data 31
|
|
67
|
CCD2#
|
Card Detect 2 |
|
68
|
GND
|
Ground
|
Another representation (looking into card)
| |
|
|
|
|
|
| GND |
|
1 |
35 |
|
GND |
| CAD0 |
<-> |
2 |
36 |
--> |
!CCD1 |
| CAD1 |
<-> |
3 |
37 |
<-> |
CAD2 |
| CAD3 |
<-> |
4 |
38 |
<-> |
CAD4 |
| CAD5 |
<-> |
5 |
39 |
<-> |
CAD6 |
| CAD7 |
<-> |
6 |
40 |
- |
RSRVD |
| !CCBE0 |
--> |
7 |
41 |
<-> |
CAD8 |
| CAD9 |
<-> |
8 |
42 |
<-> |
CAD10 |
| CAD11 |
<-> |
9 |
43 |
- |
CVS1 |
| CAD12 |
<-> |
10 |
44 |
<-> |
CAD13 |
| CAD14 |
<-> |
11 |
45 |
<-> |
CAD15 |
| !CCBE1 |
--> |
12 |
46 |
<-> |
CAD16 |
| CPAR |
--> |
13 |
47 |
--- |
RSRVD |
| !CPERR |
--> |
14 |
48 |
- |
!CBLOCK |
| !CGNT |
--> |
15 |
49 |
- |
!CSTOP |
| !CINT |
--> |
16 |
50 |
- |
!CDEVSEL |
| Vcc |
--> |
17 |
51 |
<-- |
Vcc |
| Vpp1 |
--> |
18 |
52 |
<-- |
Vpp2 |
| CCLK |
--> |
19 |
53 |
- |
!CTRDY |
| !CIRDY |
- |
20 |
54 |
- |
!CFRAME |
| !CCBE2 |
--> |
21 |
55 |
<-> |
CAD17 |
| CAD18 |
<-> |
22 |
56 |
<-> |
CAD19 |
| CAD20 |
<-> |
23 |
57 |
- |
CVS2 |
| CAD21 |
<-> |
24 |
58 |
<-- |
!CRST |
| CAD22 |
<-> |
25 |
59 |
- |
!CSERR |
| CAD23 |
<-> |
26 |
60 |
- |
!CREQ |
| CAD24 |
<-> |
27 |
61 |
<-- |
!CCBE3 |
| CAD25 |
<-> |
28 |
62 |
--> |
CAUDIO |
| CAD26 |
<-> |
29 |
63 |
- |
CSTSCHG |
| CAD27 |
<-> |
30 |
64 |
<-> |
CAD28 |
| CAD29 |
<-> |
31 |
65 |
<-> |
CAD30 |
| RSRVD |
--- |
32 |
66 |
<-> |
CAD31 |
| !CCLKRUN |
<-- |
33 |
67 |
--> |
!CCD2 |
| GND |
--- |
34 |
68 |
--- |
GND |
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|  68 pin FEMALE connector at the peripherals |
