參數(shù)資料
型號(hào): AK4641
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16 BIT CODEC WITH BLUETOOTH INTERFACE
中文描述: 16位編解碼器與藍(lán)牙接口
文件頁數(shù): 36/51頁
文件大?。?/td> 461K
代理商: AK4641
ASAHI KASEI
[AK4641]
MS0301-E-00
2004/05
- 41 -
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
06H
DAC Control
0
TM
SMUTE
DATTC
0
EQ
DEM1
DEM0
R/W
RD
R/W
RD
R/W
Default
0
1
0
1
DEM1-0: De-emphases response (See Table 12.)
EQ: Select 5 Band Equalizer.
0: OFF (Default)
1: ON
DATTC: DAC of Stereo CODEC Digital Attenuator Control Mode Select
0: ATTL6-0 and ATTR6-0 bits control attenuator level of Lch and Rch respectively.
1: ATTL6-0 bits control both Lch and Rch at same time. (Default)
When DATTC bit = “1”, the value of ATTR6-0 does not change.
SMUTE: Soft Mute Control
0: Normal Operation (Default)
1: DAC outputs of Stereo CODEC soft-muted
TM: Soft Mute and DATT Transition Time Select (See Table 15.)
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
07H
MIC Control
0
AUXAD
MPWRE
MPWRI
MICAD
MSEL
MGAIN
R/W
RD
R/W
Default
0
1
0
1
MGAIN: 1
st Mic Amp Gain control
0: OFF. 0dB
1: ON. +20dB (Default)
MSEL: Microphone select
0: Internal Mic (Default)
1: External Mic
MICAD: Switch Control from Mic In to ADC of Stereo CODEC
0: OFF
1: ON (Default)
MPWRI: Power Supply Control for Internal Microphone
0: OFF (Default)
1: ON
MPWRE: Power Supply for External Microphone
0: OFF (Default)
1: ON
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