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CHAPTER 6
CIS Description
This section describes the Card Information Structure (CIS) for SanDisk CompactFlash
Memory cards.
Table 6-1
Card Information Structure
Attribute
Offset
Data
7
6
5
4
3
2
1
0
Content Description
CIS
Function
000h
01h
CISTPL_DEVICE
Device Info Tuple
Tuple Code
002h
04h
Link is 4 bytes
Link to
next tuple
004h
DFh
Dev ID Type
Dh = I/O
W
1
Speed
7h = Ext
I/O Device, Wait State,
Extended Speed
Device ID,
WPS, Speed
006h
12h
X
Speed Mantissa = 2h
Speed Exponent = 2h
120 ns if no wait
Extended
Speed
79h
Extreme III
X
Speed Mantissa = Fh
Speed Exponent = 1h
80 ns if no wait
Extended
Speed
008h
01h
# Address Unit – 1 = 1x
Side Code = 2k units
(One) 2 kB of Address
Space
Device Size
00Ah
FFh
List End Marker
End of Devices
End Marker
00Ch
1Ch
CISTPL_DEVICE_OC
Other Conditions
Info Tuple
Tuple Code
00Eh
04h
Link is 4 Bytes
Link to Next
Tuple
010h
03h
Reserved = 0
V
CC
W
A
I
T
Conditions: 3V operation
is allowed and WAIT
is used
3 V Operation,
Wait Function
012h
D9h
Dev ID Type
Dh = I/O
W
1
Speed = 1h
I/O Device, WPS,
Speed = 250 ns
Device ID,
WPS, Speed
014h
01h
# Address Unit – 1 = 1x
Side Code = 2k units
2 kB of Address Space
Device Size
016h
FFh
List End Marker
End of Devices
End Marker
018h
18h
CISTPL_JEDEC_C
JEDEC ID
Common Memory
Tuple Code
01Ah
02h
Link is 2 bytes
Link Length
01Ch
DFh
PCMCIA JEDEC Manufacturer’s ID
First byte of JEDEC ID
for SanDisk PC Card
ATA 12V
Byte 1,
JEDEC ID of
Device 1
(0-2K)
01Eh
01h
PCMCIA Code for PC Card-ATA No Vpp Required
Second Byte of
JEDEC ID
Byte 2,
JEDEC ID
020h
20h
CISTPL_MANFID
Manufacturer’s ID Tuple
Tuple Code
022h
04h
Link is 4 bytes
Link Length
024h
45h
Low Byte of PCMCIA Manufacturer’s Code
SanDisk JEDEC
Manufacturer’s ID
Low Byte of
PCMCIA
Mfg ID
© 2007 SanDisk Corporation
6-1
Rev. 12.0, 02/07
Summary of Contents for 20-10-00038
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