AK4561 Datasheet, PDF (25/48 Pages) Asahi Kasei Microsystems – 16bit CODEC with built-in ALC and MIC/HP-Amp

ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Operation Mode
Addr
Register Name
D7
D6
07H Operation Mode
0
0
RESET
0
0
ALC: ALC Enable Flag
0: Disable (RESET)
1: Enable
FDOUT: FADEOUT Enable Flag
0: Disable (RESET)
1: Enable
FDIN: FADEIN Enable Flag
0: Disable (RESET)
1: Enable
D5
D4
D3
D2
D1
D0
FR COMP
0
FDIN FDOUT ALC
0
0
0
0
0
0
* When FADEIN or FADEOUT operation is done, ALC bit should always be “1”.
COMP: Comparator Output Data
0: OFF. COMP pin goes “L”. (RESET)
1: ON. COMP pin generates the analog signal compared from HPF-Amp.
FR: Select ALC operation Mode
0: The ALC operation corresponds to impulse noise. (RESET)
1: The ALC operation is the same as AK4516A.
Rev. 0.9
- 25 -
2000/09