ASAHI KASEI
[AK4571]
ブロックダイアグラム
VA
BGND DGND VD
VRDA MSTAT IMUTE OMUTE DEC INC
VCOM VRAD
AGND
CS EPDO EPAI SK
EEPROM I/F
EPEN
VREF
MICBIAS
STBY
EPSEL
Power
Management
Config
ROM
String
ROM
EPSW
EMSW
RBFO
Master
volume
Mixer
RBFI
Bass
Boost
DAC
DAC
FIFO
FIFO
S
ATT
ATT
M
M
ROUT
LOUT
DP
Audio
Control
Block
USB
Serial
Interface
Engine
USB
Transceiver
DN
Bass
Boost
S
LBFI
LBFO
GAIN
M
ADC
FIFO
20dB
GAIN
M
MICIN
PLL
AMP2I
XTLIN
PLL1
XTLOUT
RSTN
AMP1O
AMP2O
LFLT_44K LFLT_48K LFLT_SYS
CRYSTAL
MS0153-J-02
2003/3
- 2 -