ak4564 AKM Semiconductor, Inc., ak4564 Datasheet - Page 32

• Manufacturer Part Number: ak4564
• Description: 16bit Codec With Built-in Alc And Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

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