AvanceLogic,Inc.
ALC201
APPENDIX-III
HowtoImplemen
tMulti-ChannelbyParallelingALC201:
ThereareonlySDIN0andS
DIN1supportedbyIntel’sICHx.Itisimpossibleto
implementm
ultipleAC’97andMC’97simultaneously.Ourcustomercaneasily
parallel2or3ALC201toachieve4or6channelsapplicationin
steadofthe“Chain-In”
functiondescribedinsection5-8.Also
itiseasytoimplementmulti-channel,thereare
somerulesshou
ldbefollowedtocompromisewithAvance’sdriver:
1.Only48Ksa
mplerateissupported.
2.Jack-Detectfunctionisforbiddenwhen
4-/6-channelapplication.
3.Configurationaccordingtofollowin
gtable:(X:nopulllowresistor)
R1R2
2-ChannelX--Dri
veronlysupports2-channelcapability
4-Channel10KXDriveren
ables4-channelcapability
6-Channel10K10KDriverenables6-c
hannelcapability
ALC201
RESET#RESET#
(Primary)
FLFRFront-cha
nnel
BCLKBCLK
ID=00
SYNCSYNC
SDOUTSDOUT
44
SDIN0
R1=
SDIN
43
R
2=
10K
R2=X,4-Channel
SDIN110K
R2=10K,6-Channel
Multi-Channe
l
RESET#
ALC201
Application
ICHx
BCLK
(Controller)SYNC
SLSR
(S
econdary)
SDOUT
SDIN
X
Surround-channel
ID=01
float2nd''sand3rd
''sSDIN
RESET#
ALC201
BCLK
CenLfe
SYNC
(Third)
SDOUT
SDINCente
randLFE-channel
X
ID=11
-33-Rev1.30 |
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