Product manual

CompactFlash Memory Card Product Manual Preliminary
SanDisk CompactFlash Memory Card Product Manual Rev. 8 © 2001 SANDISK CORPORATION
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Table 4-1 Pin Assignments and Pin Type (continued)
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
35 -IOWR I I3U 35 -IOWR I I3U 35 -IOWR I
I3Z
36 -WE I I3U 36 -WE I I3U 36 -WE
3
I I3U
37 RDY/BSY O OT1 37 IREQ O OT1 37 INTRQ O OZ1
38 VCC Power 38 VCC Power 38 VCC Power
39 -CSEL I I2Z 39 -CSEL I I2Z 39 -CSEL I I2U
40 -VS2 O OPEN 40 -VS2 O OPEN 40 -VS2 O OPEN
41 RESET I I2Z 41 RESET I I2Z 41 -RESET I I2Z
42 -WAIT O OT1 42 -WAIT O OT1 42 IORDY O ON1
43 -INPACK O OT1 43 -INPACK O OT1 43 -INPACK O OZ1
44 -REG I I3U 44 -REG I I3U 44 -REG
3
I I3U
45 BVD2 I/O I1U,OT1 45 -SPKR I/O I1U,OT1 45 -DASP I/O I1U,ON1
46 BVD1 I/O I1U,OT1 46 -STSCHG I/O I1U,OT1 46 -PDIAG I/O I1U,ON1
47 D08
1
I/O I1Z,OZ3 47 D08
1
I/O I1Z,OZ3 47 D08
1
I/O I1Z,OZ3
48 D09
1
I/O I1Z,OZ3 48 D09
1
I/O I1Z,OZ3 48 D09
1
I/O I1Z,OZ3
49 D10
1
I/O I1Z,OZ3 49 D10
1
I/O I1Z,OZ3 49 D10
1
I/O I1Z,OZ3
50 GND Ground 50 GND Ground 50 GND Ground
Note: 1. These signals are required only for 16 bit access and not required when installed in 8-bit systems.
For lowest power dissipation, leave these signals open.
2. Should be grounded by the host.
3. Should be tied to VCC by the host.
4. Please refer to section 4.3 for definitions of In, Out type.