AK4753 Datasheet, PDF (34/85 Pages) Asahi Kasei Microsystems – 2-in, 4-out CODEC with DSP Functions

[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).
Digital-in
ADC
PMDIG
SPC1-0 bits
SEL1-0 bits SW2, 3, 4, 5, 6
L, R
SW1
0: L1, R1
1: L1+L2, R1+R2
DSP1
for L1, R1
HPF, LPF
EQ, Limiter
L1, R1
SW3
0
1
DAC1
DIG
DATT
L1+L2, R1+R2
or
L1+M, R1+M
M
=
L+R
2
MIX
SW2
0
1
0: L, R
1: M, M
DSP2
for L2, R2
HPF, LPF
EQ, Limiter
L2, R2 or M, M
DAC2
DIG
PMLO1
L1 or L1+L2
+
DAC1L
ANA
SW5
−₀
1
−DAC1L or R1
or R1+R2 or R1+M
DAC1R
ANA
SW4
0₊
1
0: R1 or R1+R2
1: L2 or M
DAC2L
ANA
SW6
−₀
1
−DAC2L or 2R2 or M
DAC2R
ANA
PMLO2
Figure 46. Block Diagram of Signal Path
MS1311-E-00
- 34 -
2011/07