SanDisk SDCFH-004G Product Manual - Page 19

Interface Description

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CHAPTER 3 Interface Description 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 PC Card Memory Mode Pin Assignments 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 Signal Name GND D03 D04 D05 D06 D07 -CE1 A10 -OE A09 A08 A07 VCC A06 A05 A04 A03 A02 A01 A00 D00 D01 D02 WP -CD2 Pin Type - I/O I/O I/O I/O I/O I I I I I I - I I I I I I I I/O I/O I/O O O I/O Type Ground I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 I3U I1Z I3U I1Z I1Z I1Z Power I1Z I1Z I1Z I1Z I1Z I1Z I1Z I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 OT3 Ground Pin No. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Signal Name -CD1 D11 D12 D13 D14 D15 -CE2 -VS1 -IORD -IOWR -WE RDY/BSY VCC -CSEL -VS2 RESET -WAIT -INPACK -REG BVD2 BVD1 D08 D09 D10 GND Pin Type O I/O I/O I/O I/O I/O I O I I I O - I O I O O I I/O I/O I/O I/O I/O - I/O Type Ground I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 I3U Ground I3U I3U I3U OT1 Power I2Z OPEN I2Z OT1 OT1 I3U I1U,OT1 I1U,OT1 I1Z,OZ3 I1Z,OZ3 I1Z,OZ3 Ground © 2007 SanDisk Corporation 3-1 Rev. 12.0, 02/07

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CHAPTER 3
Interface Description
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
PC Card Memory Mode Pin Assignments
Pin No.
Signal
Name
Pin Type
I/O Type
Pin No.
Signal
Name
Pin Type
I/O Type
1
GND
–
Ground
26
-CD1
O
Ground
2
D03
I/O
I1Z,OZ3
27
D11
I/O
I1Z,OZ3
3
D04
I/O
I1Z,OZ3
28
D12
I/O
I1Z,OZ3
4
D05
I/O
I1Z,OZ3
29
D13
I/O
I1Z,OZ3
5
D06
I/O
I1Z,OZ3
30
D14
I/O
I1Z,OZ3
6
D07
I/O
I1Z,OZ3
31
D15
I/O
I1Z,OZ3
7
-CE1
I
I3U
32
-CE2
I
I3U
8
A10
I
I1Z
33
-VS1
O
Ground
9
-OE
I
I3U
34
-IORD
I
I3U
10
A09
I
I1Z
35
-IOWR
I
I3U
11
A08
I
I1Z
36
-WE
I
I3U
12
A07
I
I1Z
37
RDY/BSY
O
OT1
13
VCC
–
Power
38
VCC
–
Power
14
A06
I
I1Z
39
-CSEL
I
I2Z
15
A05
I
I1Z
40
-VS2
O
OPEN
16
A04
I
I1Z
41
RESET
I
I2Z
17
A03
I
I1Z
42
-WAIT
O
OT1
18
A02
I
I1Z
43
-INPACK
O
OT1
19
A01
I
I1Z
44
-REG
I
I3U
20
A00
I
I1Z
45
BVD2
I/O
I1U,OT1
21
D00
I/O
I1Z,OZ3
46
BVD1
I/O
I1U,OT1
22
D01
I/O
I1Z,OZ3
47
D08
I/O
I1Z,OZ3
23
D02
I/O
I1Z,OZ3
48
D09
I/O
I1Z,OZ3
24
WP
O
OT3
49
D10
I/O
I1Z,OZ3
25
-CD2
O
Ground
50
GND
–
Ground
© 2007 SanDisk Corporation
3-1
Rev. 12.0, 02/07