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
To Next Page
Loading...
Need help?
General
