AK4637EN Datasheet, PDF (5/96 Pages) Asahi Kasei Microsystems – 24bit Mono CODEC with MIC/SPK-AMP

4. Block Diagram
VCOM VSS1 REGFIL AVDD
[AK4637]
DVDD TVDD VSS2
MPWR
Internal
MIC
AIN/IN+/DMDAT
BEEP
BEEP/IN-/DMCLK
PMMP
MIC Power
Supply
Analog Block
AVDD
PMADC
ADC HPF
MIC-Amp
+30~0dB
PMBP
Mono
Speaker
SPP/AOUT
SPN
PMSL
PMDAC
DVOL
DAC _SMUTE
LDO
2.3V
Digital Core
MIC-Power SPK-Amp
Control
Register
PMPFIL
HPF2
LPF
4-band EQ
ALC
1 Band EQ
PFVOL
Audio
I/F
PMPLL
PLL
PDN
SDA
SCL
BICK
FCK
SDTO
SDTI
MCKI
Figure 1. Block Diagram
015010680-E-00
-5-
2015/09