VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


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Function 5 & 6 Codec-Specific Configuration Registers
Offset 40 – AC97 Interface Status .................................... RO
7-3
Reserved
........................................ always reads 0
2
Secondary Codec Ready Status ..........................RO
0
Codec Not Ready
1
Codec Ready (AC97 ctrlr can access codec)
1
AC97 Codec Low-Power Status..........................RO
0
AC97 Codec not in low-power mode
1
AC97 Codec in low-power mode
0
AC97 Codec Ready Status...................................RO
0
Codec Not Ready
1
Codec Ready (AC97 ctrlr can access codec)
Revision 1.71 June 9, 2000
Offset 41 – AC Link Interface Control ........................... RW
7
AC-Link Interface Enable (ENAC97)
0
Disable................................................... default
1
Enable
6
AC-Link Reset (ACRST#)
0
Assert AC-Link Reset ............................ default
1
De-assert AC-Link Reset
5
AC-Link Sync (RSYNCHI)
0
Release SYNC ....................................... default
1
Force SYNC High
4
AC-Link Serial Data Out
0
Release SDO.......................................... default
1
Force SDO High
3
Variable-Sample-Rate On-Demand Mode
0
Disable................................................... default
1
Enable
Bit valid in function 5 only (reserved in function 6)
2
AC Link SGD Read Channel PCM Data Output
0
Disable................................................... default
1
Enable
Bit valid in function 5 only (reserved in function 6)
1
AC Link FM Channel PCM Data Out (SELFM)
0
Disable................................................... default
1
Enable
Bit valid in function 5 only (reserved in function 6)
0
AC Link SB PCM Data Output (SELSB)
0
Disable................................................... default
1
Enable
Bit valid in function 5 only (reserved in function 6)
-108-
Function 5 & 6 Registers - AC97 Audio & Modem Codecs
VT82C686B