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68 pin male connector layout
Разъем 68 pin male
The PCMCIA (Personal Computer Memory Card International Association) 16 bit bus

16-bit bus defined by PCMCIA.

PCMCIA Cards have 68 pin assignments, and interface with both 8- and 16-bit buses. They also support physical access of up to 64 MB of memory. PCMCIA cards give you universal expansion capability for mobile computers, and can support a variety of functions including wireline and radio-based fax and modem capabilities, mass storage, and memory extension for host machines.

There are three types of PCMCIA slots, identified by the thickness of the card that fits in them. All types are backward compatible.

Type I Cards are 3.3 mm thick. They"re used primarily in Personal Digital Assistants (PDAS) and handheld devices as RAM, FLASH memory, electrically erasable programmable read-only memory (EEPROM), and one-time programmable memory (OTP).

Type II Cards are 5 mm thick and are fully 1/0-capable. You can use them for memory enhancements or for 1/0 features in modems, LAN connections, and host communications.

Type III Cards measure 10.5 mm thick. They"re designed primarily for removable hard drives and radio communication devices which require a larger size. They can also be used for memory enhancements.

Miniature Cards are 3.5mm thick

The implementation of PCMCIA (PC Card) is based on the 8/16 bit data ISA bus (24-bit address bus)

Pin Memory I/O+Mem Description
1GNDGNDGround
2D3D3Data 3
3D4D4Data 4
4D5D5Data 5
5D6D6Data 6
6D7D7Data 7
7CE1#CE1#
8A10A10Address 10
9OE#OE#Output Enable
10A11A11Address 11
11A9A9Address 9
12A8A8Address 8
13A13A13Address 13
14A14A14Address 14
15WE#WE#Write Enable ???
16READYIREQ#
17VccVccVcc
18Vpp1Vpp1Vpp1
19A16A16Address 16
20A15A15Address 15
21A12A12Address 12
22A7A7Address 7
23A6A6Address 6
24A5A5Address 5
25A4A4Address 4
26A3A3Address 3
27A2A2Address 2
28A1A1Address 1
29A0A0Address 0
30D0D0Data 0
31D1D1Data 1
32D2D2Data 2
33WPIOIS16#
34GNDGNDGround
35GNDGNDGround
36CD1#CD1#Card Detect 1
37D11D11Data 11
38D12D12Data 12
39D13D13Data 13
40D14D14Data 14
41D15D15Data 15
42CE2#CE2#
43VS1#VS1#
44RSRVDIORD#Reserved / IORD#
45RSRVDIOWR#Reserved / IOWR#
46A17A17Address 17
47A18A18Address 18
48A19A19Address 19
49A20A20Address 20
50A21A21Address 21
51VccVccVcc
52Vpp2Vpp2Vpp2
53A22A22Address 22
54A23A23Address 23
55A24A24Address 24
56A25A25Address 25
57VS2#VS2#
58RESETRESETReset
59WAIT#WAIT#
60RSRVDINPACK#Reserved / ???
61REG#REG#
62BVD2SPKR#Battery Voltage 2 / Speaker ???
63BVD1STSCHG#Battery Voltage 1 / ???
64D8D8Data 8
65D9D9Data 9
66D10D10Data 10
67CD2#CD2#
68GNDGNDGround

Another representation (look into card):

MemI/O+Mem  MemI/O+Mem
GND---135---GND
D3<->236-->!CD1
D4<->337<->D11
D5<->438<->D12
D6<->539<->D13
D7<->640<->D14
!CE1-741<->D15
A10-->842<--!CE2
!OE-->943-!VS1
A11-->1044<--RSRVD!IORD
A9-->1145<--RSRVD!IOWR
A8-->1246<--A17
A13-->1347<--A18
A14-->1448<--A19
!WE-->1549<--A20
READY!IREQ-->1650<--A21
Vcc-->1751<--Vcc
Vpp1-->1852<--Vpp2
A16-->1953<--A22
A15-->2054<--A23
A12-->2155<--A24
A7-->2256<--A25
A6-->2357-!VS2
A5-->2458<--RESET
A4-->2559-->!WAIT
A3-->2660-RSRVD!INPACK
A2-->2761-!REG
A1-->2862-->BVD2!SPKR
A0-->2963-BVD1!STSCHG
D0<->3064<->D8
D1<->3165<->D9
D2<->3266<->D10
WP!IOIS16-->3367-->!CD2
GND---3468---GND
68 pin female connector layout
Разъем 68 pin female
На распиновку PCMCIA (PC Card) bus есть 3 отзыв(а): 2 положительных и 1 отрицательных.

Эта распиновка
Источник(и) этой и дополнительной информации: PC Card Standard at PC Card"s homepage, from Hardware Book
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