參數(shù)資料
型號: AK4640
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH MIC /HP/SPK-AMPl
中文描述: 16位編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植,AMPl
文件頁數(shù): 53/76頁
文件大小: 634K
代理商: AK4640
ASAHI KASEI
[AK4640]
MS0273-E-00
2004/03
- 53 -
Addr
06H
Register Name
DAC Control
R/W
Default
D7
TM1
R/W
0
D6
TM0
R/W
0
D5
D4
D3
BST1
R/W
0
D2
BST0
R/W
0
D1
D0
SMUTE
R/W
0
DATTC
R/W
1
DEM1
R/W
0
DEM0
R/W
1
DEM1-0: De-emphases response (Table 16)
Default is “01” (OFF).
BST1-0: Select Low Frequency Boost Function (Table 17)
Default is “00” (OFF).
DATTC: DAC Digital Attenuator Control Mode Select
0: Independent
1: Dependent (Default)
When DATTC= “1”, ATTL7-0 bits control both Lch and Rch at same time. ATTR7-0 bits are not changed
when the ATTL7-0 bits are written.
SMUTE: Soft Mute Control
0: Normal Operation (Default)
1: DAC outputs soft-muted
Soft mute operation is independent of digital attenuator and is performed in the digital domain.
TM1-0: Soft Mute Time Select (Table 24)
Default: “00” (1024/fs)
TM1
TM0
0
0
0
1
1
0
1
1
Table 24. Soft Mute Time Setting
Cycle
1024/fs
512/fs
256/fs
128/fs
Default
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