Chapter 3 Interface Description; Interface Description; Physical Description - SanDisk CompactFlash Extreme III Product Manual

CHAPTER 3
3.1

Physical Description

The host connects to SanDisk CompactFlash Memory cards 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 Types
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 and 3.3.2 define the DC characteristics
for all input and output type structures..
Table 3-1
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
© 2007 SanDisk Corporation

Interface Description

PC Card Memory Mode Pin Assignments
Signal
Name Pin Type I/O 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
-CE1 I I3U
A10 I I1Z
-OE I I3U
A09 I I1Z
A08 I I1Z
A07 I I1Z
VCC – Power
A06 I I1Z
A05 I I1Z
A04 I I1Z
A03 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
WP O OT3
-CD2 O Ground
Signal
Pin No. Name
26 -CD1
27 D11
28 D12
29 D13
30 D14
31 D15
32 -CE2
33 -VS1
34 -IORD
35 -IOWR
36 -WE
37 RDY/BSY
38 VCC
39 -CSEL
40 -VS2
41 RESET
42 -WAIT
43 -INPACK
44 -REG
45 BVD2
46 BVD1
47 D08
48 D09
49 D10
50 GND
3-1
Pin Type I/O Type
O Ground
I/O I1Z,OZ3
I/O I1Z,OZ3
I/O I1Z,OZ3
I/O I1Z,OZ3
I/O I1Z,OZ3
I I3U
O Ground
I I3U
I I3U
I I3U
O OT1
– Power
I I2Z
O OPEN
I I2Z
O OT1
O OT1
I I3U
I/O I1U,OT1
I/O I1U,OT1
I/O I1Z,OZ3
I/O I1Z,OZ3
I/O I1Z,OZ3
– Ground
Rev. 12.0, 02/07