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AK4534 Datasheet, PDF (46/64 Pages) Asahi Kasei Microsystems – 16Bit CODEC with MIC/HP/SPK-AMP
ASAHI KASEI
[AK4534]
Addr
07H
Register Name
MIC/HP Control
R/W
Default
D7
D6
D5
0
0
0
RD
RD
RD
0
0
0
MGAIN: 1st Mic-amp Gain control
0: 0dB
1: 20dB (Default)
MSEL: Microphone select
0: Internal Mic (Default)
1: External Mic
MICAD: Switch Control from Mic In to ADC.
0: OFF (Default)
1: ON
MPWRI: Power Supply Control for Internal Microphone
0: OFF (Default)
1: ON
MPWRE: Power Supply for External Microphone
0: OFF (Default)
1: ON
D4
MPWRE
R/W
0
D3
MPWRI
R/W
0
D2
MICAD
R/W
0
D1
MSEL
R/W
0
D0
MGAIN
R/W
1
MS0133-E-03
- 46 -
2003/5