Rev. 3.0, 03/01, page 211 of 390
14.2.21
AC97 RX Status Register (ARSR)
ARSR, a 32-bit Read Only register, is used to reflect the status of AC97 RX controller. Bits 31-23
are reserved. The other bits are initialized to 0 at reset. ARSR is not initialized in STANDBY
mode.
Bit
31
30
29
28
27
26
25
24
Bit Name
-
-
-
-
-
-
-
-
Initial Value -
-
-
-
-
-
-
-
R/W
-
-
-
-
-
-
-
-
Bit
23
22
21
20
19
18
17
16
Bit Name
-
STARY
STDRY
PLRFRQ PRRFRQ L1RFRQ MICRFRQ L2RFRQ
Initial Value -
0
0
0
0
0
0
0
R/W
-
R
R
R
R
R
R
R
Bit
15
14
13
12
11
10
9
8
Bit Name
HTRFRQ
IOCSRFRQ PLRFOV PRRFOV L1RFOV MICRFOV L2RFOV HTRFOV
Initial Value 0
0
0
0
0
0
0
0
R/W
R
R
R
R
R
R
R
R
Bit
7
6
5
4
3
2
1
0
Bit Name
IOCSRFOV PLRFUN
PRRFUN L1RFUN MICRFUN L2RFUN HTRFUN IOCSRFUN
Initial Value 0
0
0
0
0
0
0
0
R/W
R
R
R
R
R
R
R
R
Bit
Description
Default
31 - 21
Reserved
-
22
Status Address Ready (STARY):
When this bit is set to 1, it indicates that status address is ready.
0
21
Status Data Ready (STDRY):
When this bit is set to 1, it indicates that status data is ready.
0
20
PCML RX FIFO REQUEST (PLRFRQ):
When this bit is set to 1, it indicates that half of PCML RX FIFO is full and must be cleared
by the system.
0
Summary of Contents for HD64465
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