參數(shù)資料
型號: AK4584VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 24Bit 96kHz Audio CODEC with DIT/DIR
中文描述: 24位96kHz的音頻編解碼器與動態(tài)網(wǎng)/迪爾
文件頁數(shù): 42/53頁
文件大?。?/td> 351K
代理商: AK4584VQ
ASAHI KASEI
[AK
4584]
MS0118-E-00
2001/11
- 42 -
Addr
06H
07H
Register Name
Lch OATT Control
Rch OATT Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
ATTL7
ATTR7
R/W
1
ATTL6
ATTR6
R/W
1
ATTL5
ATTR5
R/W
1
ATTL4
ATTR4
R/W
1
ATTL3
ATTR3
R/W
1
ATTL2
ATTR2
R/W
1
ATTL1
ATTR1
R/W
1
ATTL0
ATTR0
R/W
1
ATTL/R7-0: DAC OATT Level (see Table 24)
Initial value is “FFH” (0dB).
The transition from initial to final levels has 7425 levels. It takes 7424/fs (168ms@fs=44.1kHz)
from FFH(0dB) to 00H(MUTE). If PDN pin goes to “L”, the ATTs are initialized to FFH.
The ATTs are FFH when PWDAN bit = “0”. When PWDAN bit returns to “1”, the ATTs fade to their current
value.
The ATTs are FFH when RSTDAN bit = “0”. When RSTDAN bit returns to “1”, the ATTs fade to their current
value.
Digital attenuation is independent of the soft mute function.
ATTL/R7-0
FFH
FEH
FDH
FCH
:
:
02H
01H
00H
Table 24. OATT Code Table
Attenuation
0dB
0.5dB
1.0dB
1.5dB
:
:
126.5dB
127dB
MUTE (
)
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