Functional diagram – Rainbow Electronics MAX98088 User Manual
Page 5
Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
5
Functional Diagram
SD
A
SC
L
I
2
C
E5
F5
F4
E2
MCLK
CLOCK
CONTROL
G8
MIC2
N
G9
MIC2
P
F8
E6
JACKSN
S
JACK
DETECTION
JDETEN
MBEN
F7
M
IC
BI
AS
RE
G
INABYP
MIC2BYP
PGAM2:
+20dB TO 0dB
PGAM1:
+20dB TO 0dB
PA2EN:
0/20/30dB
EXTMIC
PA1EN:
0/20/30dB
EXTMIC
MIC1N
/
DIGMICCLK
E8
MIC1P/
DIGMICDATA
DSTS
MAS1
DAI1
SEL1
SEL2
BCLK1
BCLKS1
D1
D4
D2
E4
E1
F2
F3
G1
G3
G2
LRCLK1
SDOUT1
SDIN1
SIDETONE
DVST:
0dB TO -60dB
LTEN1
LBEN2
AUTOMATIC
GAIN
CONTROL
EQ1E
N
EQ2EN
DVEQ1:
0dB TO -15dB
DV1G:
0/6/12/18dB
DV2:
0dB TO -15dB
DCB2
5-BAND
PARAMETRI
C
EQ
5-BAND
PARAMETRI
C
EQ
DVEQ2:
0dB TO -15dB
FLEXSOUN
D
TM
TECHNOLOGY
MULTI BAND ALC
EXCURSION LIMITE
R
DV1:
0dB TO -15dB
MODE1
DVFLT
DALEN
MIXDAR
DACL
DAREN
DACR
+
+
BIT
CLOCK
FRAME
CLOCK
DATA
OUTPUT
DATA
INPUT
MAS1
HIZOFF1
MAS2
DAI2
BCLK2
LRCLK2
SDOUT2
SDIN2
BIT
CLOCK
FRAME
CLOCK
DATA
OUTPUT
DATA
INPUT
MAS2
HIZOFF2
LRCLKS1
SDOUTS1
SDINS1
DVDDS1
BCLKS2
LRCLKS2
SDOUTS2
SDINS2
DVDDS2
G4
DVDD
G5
AVDD
MUX
LBEN
1
RE
F
G6
F6
RE
G
BIAS
MAX98088
NOISE GATE
MODE1
AVFLT
SRMIX_
MODE
AVLG: 0/6/
12/18dB
AVL:0dB
TO -15dB
AVRG: 0/6/
12/18dB
AVR:0dB
TO -15dB
AUDIO/
VOICE
FILTERS
AUDIO/
FILTERS
AUDIO/
VOICE
FILTERS
MIX
MIX
MIXDAL
MIX
IRQ
ADREN
ADLEN
MIX
MIXADL
MIXADR
MIX
ADCR
ADCL
INBDIFF
PGAINB:
+20dB TO -6dB
D8
INB2
E7
INB1
E9
INA2/EXTMICN
F9
INA1/EXTMICP
+
PGAINB:
+20dB TO -6dB
INADIFF
PGAINA:
+20dB TO -6dB
+
PGAINA:
+20dB TO -6dB
MIXRECR
MIX
MIXRECL
MIX
MIXSPR
MIX
MIXSPL
MIX
MIXHPR
MIX
0dB
0dB
RECVOLL:
+8dB TO -62dB
RECLEN
RECREN
RECVOLR:
+8dB TO -62dB
RECBYP
SPKBYP
RECP/
LOUTL/
RXINP
A6
RECP/
LOUTR/
RXINP
B6
MIXHPL
MIX
SPKLP
SPKLN
SPVOLL:
+8dB TO -62dB
LINEMODE
A4, B4
SPKLVDD
A3, B3
A5, B5
SPKLGND
C4, C5
SPKRVDD
C3, D3
SPKRP
C1, C2
SPKRN
A1, B1
SPLEN
SPREN
PO
W
ER
/
D
IS
TO
RT
IO
N
L
IM
IT
ER
SPVOLR:
+8dB TO -62dB
MIXHPL_
PATH SEL
MIXHPR_
PATH SEL
SPKRGND
A2, B2
PVDD
A7
HPGN
D
A9
B7
B8
A8
HPVSS
B9
HPVD
D
C1
N
C1
P
CHARGE
PUMP
HPVOLL:
+3dB TO -67dB
HPL
HPSNS
C9
C8
HPLEN
HPVOR:
+3dB TO -67dB
HPR
D9
HPREN
+6dB
+6dB
SAMPLE RAT
E
CONVERTE
R
PORT S2
PORT S1