AK7754 Datasheet, PDF (3/26 Pages) Asahi Kasei Microsystems – Audio DSP with Stereo CODEC + MIC/HP-AMP

■ Block Diagram
MPWR
IN1L/IN1P
IN2L/IN1N
IN3L/DMCLK
IN3R/DMDAT
IN1R/IN2P
IN2R/IN2N
LRCKO
BICKO
CLKO
XTO
XTI
LFLT
INITRSTN
TEST1
BICK1/JX1
LRCK1/JX0
BICK2/JX1
LRCK2/JX0
SRCLFLT
SDIN2/JX2
SDIN1/JX2
MPRF
VCOM
MIC POWER ^PMMP
IN1L/IN1P
IN2L
IN1N
PMMICL
MICL
PMLINL
IN3L
LINL
PMLINR
IN3R
LINR
IN1R/IN2P
IN2R
IN2N
PMMICR
MICR
1
PMPSL
0 BPSL
PMPSR
0
1 BPSR
0
1
AINL
PMADL/R
ADC
1
0
AINR
DIGMIC IF
VREF
PMDAL/R
DAC
DAL
DAR
LRCKOE
BICKOE
DMCLK
DMDAT
SDOUTAD
CLKOE
CLKGEN & CONT
MLRCLK0
MBITCLK0
MCLK0
MDSPCLK0
SELJX2
1
0
JX2E
1 ^JX1E
0
SELJX
JX0E
1
0
SRC
SRCBICKO
SRCLRCKO
SRCI
UNLOCK
SRCO
PMSRC
0
1
SELDI2
DIN3
JX2
JX1
JX0
DOUT3
GP0
DSP
WDT
DIN2
GP1
DOUT2
DIN1
IRPT
DOUT1
PMDSP
pull down
Open Drain
PMLOL
Line
Line
PMLOR
PMHPL
HP
PMHPR
HP
SELDAI[1:0]
3
2
1
0
SELDOM[1:0]
3
2
1
0
RDY
SO
MICIF
SELMN
0 ^OUTME
1
SELSON
1
0
WDTEN
LOCKE
SELDO2[1:0]
3
2
OUT2E
1
0
SELDO1[1:0]
3
2
OUT1E
1
0
[AK7754]
HVDD
AVDD
DVDD
2 DVDD18
3 VSS
OUTL/OUTP
OUTR/OUTN
HPL
HVCOM
HPR
RDY/SDOUTM
SO/RDY
TEST2
CAD1
SCL
CAD0
SDA
STO
SDOUT2
SDOUT1
Figure 1. Block Diagram
MS1138-E-01-PB
-3-
2012/03