AN985B/BX
Registers and Descriptors Description
8.2.1
PCI/CARDBUS Control/Status Registers Description
CARDBUS Access Register
PAR_CSR0
CARDBUS Access Register
Offset
00H
Reset Value
0000 1000H
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ꢅ
ꢆ
ꢇ
ꢈ
ꢉ
ꢀ ꢃ ꢁ ꢂ
0:055H05
,( /( V 0(
5H
V
%/
(
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5 5
5HV
UR
5HV 7$3
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3%/
'6/
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UZꢊ UR UZꢊ
UZꢊ
UZꢊ
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Field
Res
MWIE
Bits
31:25
24
Type
ro
rw*
Description
Reserved
Memory Write and Invalidate Enable
Note:rw*: Before writing the trasmitting and receiving operations should
be stopped.
0B
, disable AN985B/BX to generate memory write invalidate
command and use memory write commands instead
, enable AN985B/BX to generate memory write invalidate
command. AN985B/BX will generate this command while writing
full cache lines
1B
MRLE
23
rw*
Memory Read Line Enable
Note:rw*: Before writing the trasmitting and receiving operations should
be stopped.
1B
, enable AN985B/BX to generate memory read line command while
read access instruction reach the cache line boundary. If the read
access instruction doesn’t reach the cache line boundary then
AN985B/BX uses the memory read command instead.
Res
MRME
22
21
ro
rw*
Reserved
Memory Read Multiple Enable
Note:rw*: Before writing the trasmitting and receiving operations should
be stopped.
1B
, enable AN985B/BX to generate memory read multiple commands
while reading full cache line. If the memory is not cache aligned the
AN985B/BX uses memory read command instead.
Res
20:19
ro
Reserved
Data Sheet
49
Rev. 1.51, 2005-11-30