[AK4753]
■ Audio DAC outputs Configurations
The AK4753 has three modes as Audio DAC Configurations; Stereo Mode, 2.1-channels Mode and 4-channels Mode.
Each mode is selected by SPC1-0 bits. In the initialization, the setting of the SPC1-0 bits is “00” (Stereo Mode).
PMLO1
PMDIG
SPC1-0 bits
0: L1, R1
L1 or L1+L2
1: L1+L2, R1+R2
DAC1L
ANA
+
SEL1-0 bits SW2, 3, 4, 5, 6
SW3
DSP1
for L1, R1
L1, R1
L, R
DAC1
DIG
0
−DAC1L or R1
Digital-in
or R1+R2 or R1+M
SW5
0
1
SW1
−
HPF, LPF
DAC1R
ANA
EQ, Limiter
1
L1+L2, R1+R2
or
DATT
0: R1 or R1+R2
1: L2 or M
L1+M, R1+M
SW4
0
DSP2
for L2, R2
+
DAC2L
ANA
ADC
SW2
1
0
DAC2
DIG
L+R
2
HPF, LPF
EQ, Limiter
−DAC2L or 2R2 or M
MIX
M =
SW6
0
L2, R2 or M, M
1
−
DAC2R
ANA
0: L, R
1
1: M, M
PMLO2
Figure 46. Block Diagram of Signal Path
MS1311-E-00
2011/07
- 34 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
