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CIS Description
SanDisk CompactFlash Card OEM Product Manual
Table 6-1
Card Information Structure
Attribute
Offset
Data
7
6
5
4
3
2
1
0
Content Description
CIS
Function
136h
61h
LS
1
AS
2
N Ranges–1
1
Number of Ranges is 2;
Size of each address is
2 bytes; size of each
length is 1 byte.
I/O Range
Format
Description
AS: Size of Addresses
0: No Address Present
1: 1Byte (8 bit)
Addresses
2: 2Byte (16 bit)
Addresses
3: 4Byte (32 bit)
Addresses
LS: Size of length
0: No Lengths Present
1: 1Byte (8 bit) Lengths
2: 2Byte (16 bit)
Lengths
3: 4Byte (32 bit)
Lengths
138h
70h
1st I/O Base Address (LSB)
First I/O Range Base
is 170h
13Ah
01h
1st I/O Base Address (MSB)
13Ch
07h
1st I/O Range Length–1
8 Bytes Total ==>
170-177h
I/O Length–1
13Eh
76h
2nd I/O Base Address (LSB)
Second I/O Range
Base is 376h
140h
03h
2nd I/O Base Address (MSB)
142h
01h
2nd I/O Range Length–1
2 Bytes Total ==>
376-377h
I/O Length–1
144h
EEh
S
1
P
1
L
1
M
0
Recommend IRQ Level
Eh = 14
IRQ Sharing Logic
Active in Card Control &
Status Register, Pulse
and Level Mode
TPCE_IR
Interrupts supported,
Recommended IRQ's
any of 0 through 15(F).
S: Share Logic Active
P: Pulse Mode IRQ
Supported
L: Level Mode IRQ
Supported
M: Bit Mask of IRQs
Present
M=0 therefore bits 3-0
are single level, binary
encoded
02/07, Rev. 12.0
6-16
© 2007 SanDisk Corporation
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