SanDisk CompactFlash - Page 94

CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION94
Attribute
Offset
Data 7 6 5 4 3 2 1 0 Description of Contents CIS Function
0FEh 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.
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
I/O Range Format Description
100h F0h 1st I/O Base Address (lsb) First I/O Range base is
102h 01h 1st I/O Base Address (msb) 1F0h
104h 07h 1st I/O Range Length - 1 8 bytes total ==> 1F0-1F7h I/O Length - 1
106h F6h 2nd I/O Base Address (lsb) 2nd I/O Range base is
108h 03h 2nd I/O Base Address (msb) 3F6h
10Ah 01h 2nd I/O Range Length - 1 2 bytes total ==> 3F6-3F7h I/O Length - 1
10Ch 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 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 so bits 3-0 are single
level, binary encoded
TPCE_IR
10Eh 21h X
0
R
0
P
1
RO
0
A
0
T
1
Power-Down, and Twin Card.
T:Twin Cards Allowed
A:Audio Supported
RO:Read Only Mode
P:Power Down Supported
R:Reserved
X:More Misc Fields Bytes
TPCE_MI