ak4538 AKM Semiconductor, Inc., ak4538 Datasheet - Page 56

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

ASAHI KASEI
MS0198-E-01
Addr
Addr
0EH
0FH
GN3-0: Volume of AUX In (see Table 22)
ATTS2-0: Attenuator select of signal from MIC IN to Stereo Mixer. (See Table 15)
ATTM: Attenuator control for signal from MIC IN to Mono Mixer
DTMIC: Microphone Detection Result
0: OFF. 0dB (Default)
1: ON. -4dB
0: Microphone is not detected.(Default)
1: Microphone is detected.
Register Name
Volume Control
Register Name
Status
Default
Default
R/W
R/W
ATTM
RD
RD
D7
D7
0
0
0
ATTS2
R/W
RD
D6
D6
1
0
0
- 56 -
ATTS1
R/W
RD
D5
D5
0
0
0
ATTS0
R/W
RD
D4
D4
1
0
0
GN3
R/W
RD
D3
D3
0
0
0
GN2
R/W
RD
D2
D2
1
0
0
GN1
R/W
RD
D1
D1
1
0
0
[AK4538]
DTMIC
GN0
R/W
2003/5
RD
D0
D0
1
0