NJW1143
s I2C CONTROL COMMAND DESCRIPTION
qMASTER VOLUME CONTROL
Select
BIT
Address
D7
D6
D5
D4
D3
D2
D1
D0
00H
VOL
The volume controls both Ach and Bch by the 0.5dB step.
The volume is consisted of volume1 and volume2. The level is divided into half to each volume1 and
volume2.
qBALANCE, AGC AND INPUT SELECTOR SETTINGS
Select
BIT
Address
D7
D6
D5
D4
D3
D2
D1
D0
01H
CHS
BAL
SUR
•CHS: Channel select for balance control
“0”: Ach “Bch is attenuated”
“1”: Bch “Ach is attenuated”
•BAL: Balance control for both Ach and Bch (1dB/Step)
The balance is consisted of volume2 alone. Volume1 does not operate on balance.
•SUR : Surround Setting
Surround Setting
SUR
D1
D0
Remarks
Surround OFF
0
0
Input through
Simulated Stereo mode
0
1
For monaural signal input only
"eala" High mode
1
0
Surround Effect Small ( 8.0dB typ. )
"eala" Low mode
1
1
Surround Effect Large (12.0dB typ. )
qTONE CONTROL (Bass) and AGC SETTINGS
Select
BIT
Address
D7
D6
D5
D4
D3
02H
BCB
BASS
D2
AGC-SW
D1
D0
AGC-FLAT
•BCB : Bass Boost or Cut
“0” : Cut
“1” : Boost
•BASS : BASS Level
Cut Level : -15 to 0dB(1dB/Step)
Boost Level : 0 to +15dB(1dB/Step)
•AGC-SW : AGC ON/OFF Switch
“0” : AGC OFF
“1” : AGC ON (Default : 100mVrms)
•AGC-FLAT : AGC Flat Level
AGC Flat Level
AGC-FLAT
D1
D0
100mVrms
0
0
200mVrms
0
1
300mVrms
1
0
400mVrms
1
1
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