ak4538 AKM Semiconductor, Inc., ak4538 Datasheet - Page 51

• Manufacturer Part Number: ak4538
• Description: 16bit ?? Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0198-E-01
Addr
07H
MGAIN: 1
MSEL: Microphone select
MICAD: Switch Control from Mic In to ADC.
MPWRI: Power Supply Control for Internal Microphone
MPWRE: Power Supply for External Microphone
AUXAD: Switch Control from AUX IN to ADC.
0: 0dB
1: 20dB (Default)
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
Register Name
MIC/HP Control
Default
R/W
st
Mic-amp Gain control
RD
D7
0
0
RD
D6
0
0
AUXAD
- 51 -
R/W
D5
0
MPWRE
R/W
D4
0
MPWRI
R/W
D3
0
MICAD
R/W
D2
0
MSEL
R/W
D1
0
[AK4538]
MGAIN
2003/5
R/W
D0
1