ASAHI KASEI
[AK4564]
n
Register Map
The following registers are reset at PDN pin = “L”.
Addr
Register Name
D7
0
SPPS
D6
HPMIX
D5
HPG
D4
BEEP1
D3
AIN2
D2
AIN1
D1
D0
00H Signal Select 1
01H Signal Select 2
PRE INT/EXT
ALCS BEEP2H BEEP2S AOUT2 AOUT1 MOUT HPDAC
Power Management Control AOUTP2 AOUTP1
02H
SPKP
HPP
VCOM
DIF1
DAC
DIF0
ADC
DEM1
MIC
DEM0
FSF
03H Mode Control
VOL2-1 VOL2-0 VOL1-1 VOL1-0
04H Filter Select 1
05H Filter Select 2
MIX1
0
MIX0
0
HPF3
0
HPF2-1 HPF2-0 HPF1-1 HPF1-0
LPF2D LPF2-1 LPF2-0 LPF1-1 LPF1-0
06H Timer Select
TM1
0
0
TM0
GSEL
FSTM
REF6
FDTM1 FDTM0 ZTM1
ZTM0 WTM1 WTM0
FDATT1
07H ALC Mode Control 1
08H ALC Mode Control 2
09H ALC Mode Control 3
FDATT0 RGAIN1 RGAIN0 LMAT1 LMAT0
0
0
0
FR
LMTH1 LMTH0
REF1 REF0
REF7
REF5
REF4
REF3
REF2
Input Digital Volume Control
0AH
0BH Operation Mode
IVOL7 IVOL6 IVOL5 IVOL4 IVOL3 IVOL2 IVOL1 IVOL0
0
0
MIX1P MONO
ALC2
FDIN FDOUT ALC1
Output Digital ATT Control
0CH
ZCE
OATT6 OATT5 OATT4 OATT3 OATT2 OATT1 OATT0
Table 5. AK4564 Register Map
Signal Select 1
Addr
Register Name
D7
0
0
D6
HPMIX
0
D5
HPG
0
D4
BEEP1
0
D3
AIN2
0
D2
AIN1
0
D1
PRE
1
D0
INT/EXT
0
00H Signal Select 1
Default
INT/EXT: Select Internal / External MIC
0: Internal MIC (Default)
1: External MIC
PRE: Enable input signal from Pre-Amp to ADC.
0: OFF (Default)
1: ON
AIN1: Enable input signal from LIN1/RIN1 pin to ADC.
0: OFF (Default)
1: ON
AIN2: Enable input signal from LIN2/RIN2 pin to ADC.
0: OFF (Default)
1: ON
BEEP1: Enable input signal from BEEP1 pin to ADC.
0: OFF (Default)
1: ON
HPG: Select gain of Headphone-Amp
0: 0dB (Default)
1: + 16.5dB
HPMIX: Enable input signal from MIX1-Amp to Headphone-Amp
0: OFF (Default)
1: ON
MS0140-E-01
2002/07
- 32 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
