Compactflash Memory Card Interface Description; Physical Description; Pin Assignments And Pin Type - SanDisk CompactFlash Product Manual

3. CompactFlash Memory Card Interface Description

3.1. Physical Description

The host is connected to the CompactFlash Memory Card using a standard 50-pin connector consisting of two rows
of 25 female contacts each on 50 mil (1.27 mm) centers.

3.1.1. Pin Assignments and Pin Type

The signal/pin assignments are listed in Table 3-1. Low active signals have a "-" prefix. Pin types are Input, Output
or Input/Output. Sections 3.3.1 to 3.3.4 define the DC characteristics for all input and output type structures.
PC Card Memory Mode
Pin Signal Pin
Num Name Type
1 GND
2 D03 I/O
3 D04 I/O
4 D05 I/O
5 D06 I/O
6 D07 I/O
7 -CE1 I
8 A10 I
9 -OE I
10 A09 I
11 A08 I
12 A07 I
13 VCC
14 A06 I
15 A05 I
16 A04 I
17 A03 I
18 A02 I
19 A01 I
20 A00 I
21 D00 I/O
22 D01 I/O
23 D02 I/O
24 WP O
®
CompactFlash Memory Card Product Manual, Rev. 10.0 © 2002 SANDISK CORPORATION
Table 3-1. Pin Assignments and Pin Type
PC Card I/O Mode
4
In, Out Pin Signal
Type Num Name
Ground 1 GND
I1Z,OZ3 2 D03
I1Z,OZ3 3 D04
I1Z,OZ3 4 D05
I1Z,OZ3 5 D06
I1Z,OZ3 6 D07
I3U 7 -CE1
I1Z 8 A10
I3U 9 -OE
I1Z 10 A09
I1Z 11 A08
I1Z 12 A07
Power 13 VCC
I1Z 14 A06
I1Z 15 A05
I1Z 16 A04
I1Z 17 A03
I1Z 18 A02
I1Z 19 A01
I1Z 20 A00
I1Z,OZ3 21 D00
I1Z,OZ3 22 D01
I1Z,OZ3 23 D02
OT3 24 -IOIS16
4
Pin In, Out Pin
Type Type Num
Ground 1
I/O I1Z,OZ3 2
I/O I1Z,OZ3 3
I/O I1Z,OZ3 4
I/O I1Z,OZ3 5
I/O I1Z,OZ3 6
I I3U 7
I I1Z 8
I I3U 9
I I1Z 10
I I1Z 11
I I1Z 12
Power 13
I I1Z 14
I I1Z 15
I I1Z 16
I I1Z 17
I I1Z 18
I I1Z 19
I I1Z 20
I/O I1Z,OZ3 21
I/O I1Z,OZ3 22
I/O I1Z,OZ3 23
O OT3 24
True IDE Mode
Signal Pin In, Out
Name Type Type
GND Ground
D03 I/O I1Z,OZ3
D04 I/O I1Z,OZ3
D05 I/O I1Z,OZ3
D06 I/O I1Z,OZ3
D07 I/O I1Z,OZ3
-CS0 I I3Z
2
A10 I I1Z
-ATA SEL I I3U
A09 2 I I1Z
A08 2 I I1Z
A07 2 I I1Z
VCC Power
I I1Z
2
A06
A05 2 I I1Z
A04 2 I I1Z
A03 2 I I1Z
A02 I I1Z
A01 I I1Z
A00 I I1Z
D00 I/O I1Z,OZ3
D01 I/O I1Z,OZ3
D02 I/O I1Z,OZ3
-IOCS16 O ON3
4
3-1