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SanDisk Industrial Grade CompactFlash 5000 Product Manual
© 2007 SanDisk® Corporation 11 April 2007
3.
Interface Description
3.1 Physical Description
The host connects to SanDisk CompactFlash Memory cards using a standard
50-pin connector with two rows of 25 female contacts, each on 50 mil (1.27
mm) centers.
3.1.1
Pin Assignments and Types
Table 7 lists the signal/pin assignments. 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 7: PC Card Memory Mode Pin Assignments
Pin No. SignalName
Pin
Type
I/O Type Pin No. SignalName
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
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