
μ
PC1853
27
(4) Rear output selection
By the data of subaddress 00H, bit D7, output signal of the rear output pin can be selected (
φ
(L-R) signal or
(L-R) signal).
Fig. 4-4 Rear Output Selection (
μ
PC1853-01)
Rear
output
selection
Low
boost
Low
boost
gain
Rear
output
mute
L+R
signal
output
mute
Audio
output
mute
Main
output
mute
Audio
output
control
link
D7
D6
D5
D4
D3
D2
D1
D0
Rear output selection
0
1
(L-R) signal: Not phase-shifted
00H
Subaddress
(L-R) signal: Phase-shifted
φ
(5) Volume control
By the data of subaddress 01H, 05H, 06H and 07H, bit D5 to D0, the volume control can be adjusted in 64 levels.
Fig. 4-5 Volume Control (
μ
PC1853-01) (1/2)
Main output volume control
D7
D6
D5
D4
D3
D2
D1
D0
Automatic
increment
Main output volume control
0
Main output volume control
Data
D5 ··· D0
111111
Attenuation volume
Flat
Low
000000
01H
Subaddress
L+R signal output volume control
D7
D6
D5
D4
D3
D2
D1
D0
Automatic
increment
L+R signal output volume control
0
L+R signal output volume control
Data
D5 ··· D0
111111
Attenuation volume
Flat
Low
000000
05H
Subaddress