User Manual

CompactFlash
®
Memory Card Product Manual, Rev. 10.0 © 2002 SANDISK CORPORATION 3-1
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.
Table 3-1. Pin Assignments and Pin Type
PC Card Memory Mode
PC Card I/O Mode True IDE Mode
Pin
Num
Signal
Name
Pin
Type
In, Out
4
Type
Pin
Num
Signal
Name
Pin
Type
In, Out
4
Type
Pin
Num
Signal
Name
Pin
Type
In, Out
4
Type
1 GND Ground 1 GND Ground 1 GND Ground
2 D03 I/O I1Z,OZ3 2 D03 I/O I1Z,OZ3 2 D03 I/O I1Z,OZ3
3 D04 I/O I1Z,OZ3 3 D04 I/O I1Z,OZ3 3 D04 I/O I1Z,OZ3
4 D05 I/O I1Z,OZ3 4 D05 I/O I1Z,OZ3 4 D05 I/O I1Z,OZ3
5 D06 I/O I1Z,OZ3 5 D06 I/O I1Z,OZ3 5 D06 I/O I1Z,OZ3
6 D07 I/O I1Z,OZ3 6 D07 I/O I1Z,OZ3 6 D07 I/O I1Z,OZ3
7 -CE1 I I3U 7 -CE1 I I3U 7 -CS0 I I3Z
8 A10 I I1Z 8 A10 I I1Z 8 A10
2
I I1Z
9 -OE I I3U 9 -OE I I3U 9 -ATA SEL I I3U
10 A09 I I1Z 10 A09 I I1Z 10 A09
2
I I1Z
11 A08 I I1Z 11 A08 I I1Z 11 A08
2
I I1Z
12 A07 I I1Z 12 A07 I I1Z 12 A07
2
I I1Z
13 VCC Power 13 VCC Power 13 VCC Power
14 A06 I I1Z 14 A06 I I1Z 14
A06
2
I I1Z
15 A05 I I1Z 15 A05 I I1Z 15 A05
2
I I1Z
16 A04 I I1Z 16 A04 I I1Z 16 A04
2
I I1Z
17 A03 I I1Z 17 A03 I I1Z 17 A03
2
I I1Z
18 A02 I I1Z 18 A02 I I1Z 18 A02 I I1Z
19 A01 I I1Z 19 A01 I I1Z 19 A01 I I1Z
20 A00 I I1Z 20 A00 I I1Z 20 A00 I I1Z
21 D00 I/O I1Z,OZ3 21 D00 I/O I1Z,OZ3 21 D00 I/O I1Z,OZ3
22 D01 I/O I1Z,OZ3 22 D01 I/O I1Z,OZ3 22 D01 I/O I1Z,OZ3
23 D02 I/O I1Z,OZ3 23 D02 I/O I1Z,OZ3 23 D02 I/O I1Z,OZ3
24 WP O OT3 24 -IOIS16 O OT3 24 -IOCS16 O ON3