參數(shù)資料
型號(hào)： AK4646
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Stereo CODEC with MIC/SPK-AMP
中文描述： 立體聲編解碼器麥克風(fēng)/胰腎聯(lián)合移植腺苷
文件頁數(shù)： 58/79頁
文件大小： 789K
代理商： AK4646
[AK4646]
MS0557-E-02
2007/05
- 58 -
Addr
06H
Register Name
Timer Select
R/W
Default
D7
0
R
0
D6
D5
ZTM1
R/W
0
D4
ZTM0
R/W
0
D3
D2
D1
D0
WTM2
R/W
0
WTM1
R/W
0
WTM0
R/W
0
RFST1
R/W
0
RFST0
R/W
0
WTM2-0: ALC Recovery Waiting Period (Table 26.)
A period of recovery operation when any limiter operation does not occur during the ALC1 operation
Default is
“
000
” (128/fs)
.
ZTM1-0: ALC Limiter/Recovery Operation Zero Crossing Timeout Period (Table 25.)
When the IPGA perform zero crossing or timeout, the IPGA value is changed by the
μ
P WRITE operation,
ALC1 recovery operation. Default is “00” (128/fs).
RFST1-0: ALC First recovery Speed(Table 30)
Default:
“
00
”
(4times)
Addr
07H
Register Name
ALC Mode Control 1
R/W
Default
D7
LFST
R/W
0
D6
ALC2
R/W
0
D5
ALC1
R/W
0
D4
D3
D2
D1
D0
ZELMN
R/W
0
LMAT1
R/W
0
LMAT0
R/W
0
RGAIN0
R/W
0
LMTH0
R/W
0
LMTH1-0: ALC Limiter Detection Level / Recovery Counter Reset Level (Table 23.)
Default: “00”
LMTH1 bit is D6 bit of 0BH.
RGAIN1-0: ALC Recovery GAIN Step (Table 27.)
Default: “00”
RGAIN1 bit is D7 bit of 0BH.
LMAT1-0: ALC Limiter ATT Step (Table 24.)
Default: “00”
ZELMN: Zero Crossing Detection Enable at ALC Limiter Operation
0: Enable (default)
1: Disable
ALC1: ALC Enable for Recording
0: Recording ALC Disable (default)
1: Recording ALC Enable
ALC2: ALC Enable for Playback
0: Playback ALC Disable (default)
1: Playback ALC Enable
LFST: Limiter function of ALC when the output was bigger than Fs.
0: Output is zero crossing or being changed value of volume at the time of the output is zero crossing time out.
1: When output of ALC is bigger than FS, VOL value is changed instantly.
相關(guān)PDF資料
PDF描述
AK4646EN Stereo CODEC with MIC/SPK-AMP
AK4647 Stereo CODEC with MIC/HP-AMP
AK4647VN Stereo CODEC with MIC/HP-AMP
AK4648 Stereo CODEC with MIC/HP/SPK-AMP
AK4648EC Stereo CODEC with MIC/HP/SPK-AMP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4646_11 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/SPK-AMP
AK4646EN 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/SPK-AMP
AK4646ENP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:STEREO CODEC+SPK
AK4646EZ 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/SPK-AMP
AK4647 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP
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