AK4671_10 Datasheet, PDF (61/166 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/RCV/HP-AMP

[AK4671]
■ Digital Block
Digital block is composed as Figure 57. Each block can be powered-down by power management bits (PMADL,
PMADR, PMDAL, PMDAR, PMSRA, PMSRB and PMPCM bits). When blocks from HPF to MIX are powered-down,
both MIX and SVOLA blocks should not be selected by SDOL/R bits and PFMXL/R bits.
PMADL or PMADR
A/D HPF
HPFAD
PFSEL
PFSEL=0
PMADL
or
PMADR
HPF
PFSEL=1
PMDAL
LPF
or
Stereo
PMDAR
or
Separation
PMSRA _5-band
Notch
HPF
LPF
FIL3, EQ0,
GN1-0
EQ1-5
ALC
ALC, IVL/R
MIX
ADM
SDOL/R1-0 SDOD
DAM, MIXD OVL/R EQ
D/A
M
I
X
DATT
SMUTE
5-band
EQ
SVAL/R2-0
SVOLA
SRMXL/R1-0
PMDAL
or PMDAR
PMDAL or PMDAR or PMSRA
SRA1-0, MIXD
PFMXL/R1-0
SDTO Lch
SDTO Rch
S
E
L
SDIM1-0
SDTI Lch
SDTI Rch
MS0666-E-02
PMSRA
SRC-A
PMSRB
SRC-B
BVMX1-0
PMPCM
SDOA
SDOAD
SVOLB ^SVB2-0
DATT-B
BVL7-0
SBMX1-0
DATT-C ^CVL7-0
BIV2-0
BIVOL
SDOBD
Figure 57. Path Select of Digital Block
SDTOA
SDTIA
SDTOB
SDTIB
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2010/06