參數(shù)資料
型號(hào): AK4367
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: OUTPUT MIXER & HP - AMP 24 BIT 2 CH DAC
中文描述: 輸出混音器
文件頁(yè)數(shù): 25/38頁(yè)
文件大?。?/td> 433K
代理商: AK4367
ASAHI KASEI
[AK4367]
MS0247-E-01
2004/11
- 31 -
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
03H
Mode Control 2
0
ATS
DATTC
BCKP
LRP
R/W
RD
R/W
Default
0
LRP: LRCK Polarity Select
0: Normal (Default)
1: Invert
BCKP: BICK Polarity Select
0: Normal (Default)
1: Invert
DATTC: DAC Digital Attenuator Control Mode Select
0: Independent (Default)
1: Dependent
At DATTC bit = “1”, ATTL7-0 bits control both Lch and Rch attenuation level, while register values of
ATTL7-0 bits are not written to ATTR7-0 bits. At DATTC bit = “0”, ATTL7-0 bits control Lch level and
ATTR7-0 bits control Rch level.
ATS: Digital attenuator transition time setting (Table 5)
0: 1061/fs (Default)
1: 7424/fs
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
04H
DAC Lch ATT
ATTL7
ATTL6
ATTL5
ATTL4
ATTL3
ATTL2
ATTL1
ATTL0
05H
DAC Rch ATT
ATTR7
ATTR6
ATTR5
ATTR4
ATTR3
ATTR2
ATTR1
ATTR0
R/W
Default
0
ATTL7-0: Setting of the attenuation value of output signal from DACL (Table 4)
ATTR7-0: Setting of the attenuation value of output signal from DACR (Table 4)
Default: “00H” (MUTE)
The AK4367 has channel-independent digital attenuator (256 levels, 0.5dB step). This digital attenuator is
placed before D/A converter. ATTL/R7-0 bits set the attenuation level (0dB to
127dB or MUTE) of each
channel. Digital attenuator is independent of soft mute function.
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