PCMCIA Card

Shown looking into card

16-bit (PC Card) Interface

Mem I/O+Mem       Mem I/O+Mem
GND --- 1 35 --- GND
D3 <-> 2 36 --> !CD1
D4 <-> 3 37 <-> D11
D5 <-> 4 38 <-> D12
D6 <-> 5 39 <-> D13
D7 <-> 6 40 <-> D14
!CE1 - 7 41 <-> D15
A10 --> 8 42 <-- !CE2
!OE --> 9 43 - !VS1
A11 --> 10 44 <-- RSRVD !IORD
A9 --> 11 45 <-- RSRVD !IOWR
A8 --> 12 46 <-- A17
A13 --> 13 47 <-- A18
A14 --> 14 48 <-- A19
!WE --> 15 49 <-- A20
READY !IREQ --> 16 50 <-- A21
Vcc --> 17 51 <-- Vcc
Vpp1 --> 18 52 <-- Vpp2
A16 --> 19 53 <-- A22
A15 --> 20 54 <-- A23
A12 --> 21 55 <-- A24
A7 --> 22 56 <-- A25
A6 --> 23 57 - !VS2
A5 --> 24 58 <-- RESET
A4 --> 25 59 --> !WAIT
A3 --> 26 60 - RSRVD !INPACK
A2 --> 27 61 - !REG
A1 --> 28 62 --> BVD2 !SPKR
A0 --> 29 63 - BVD1 !STSCHG
D0 <-> 30 64 <-> D8
D1 <-> 31 65 <-> D9
D2 <-> 32 66 <-> D10
WP !IOIS16 --> 33 67 --> !CD2
GND --- 34 68 --- GND

32-bit (Cardbus) Interface

           
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

The Common signals

GND Ground
Vcc Supply Voltage
Vpp1 to 2 Programming Voltages
CCD1:2 Card Detect signals

Physical:

Length 85.6 mm 3.37" 3.375" = 3+3/8 = 85.725 for credit card
Width 54.0 mm 2.126 2.125 = 2+1/8 = 53.975 for credit card
Thickness 3.3 mm Type I
5.0 mm Type II
10.5 mm Type III

The PC Card Signals

The Cardbus Signals

CAD0:31 Address/data bus
CC/BE0:3 Byte Enable 0 to 3
CVS1:2 , In
CPAR Parity Bit, In
PERR Parity Error, In
CBCLOCK  
CGNT Bus arbitration grant , In
CSTOP  
CINT Ready/Bus , Out
CDEVSEL Device Select
CCLK Bus clock, 0 to 33MHz
CTRDY  
CIRDY Ready, In
CFRAME Data Frame indicator
CRST Reset
CSERR System Reset
CREQ Arbitration Request
CC/BE3 Byte Enable 3
CAUDIO Card Audio Output
CSTSCHG  
RFU Reserved for future use
CCLKRUN --, Out

Notes:

The 16-bit version is based on ISAbus.
The address and data buses are non-multiplexed.

The 32-bit version has little in common, apart from the same physical package, power and ground pins.
The address and data buses are multiplexed.