參數(shù)資料
型號: AK4564VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP
中文描述: 16位編解碼器,配有ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 37/48頁
文件大?。?/td> 382K
代理商: AK4564VQ
ASAHI KASEI
[AK4564]
MS0140-E-01
2002/07
- 37 -
Filter Select
1
Addr
04H
Register Name
Filter Select 1
Default
D7
MIX1
0
D6
MIX0
0
D5
HPF3
0
D4
D3
D2
D1
D0
FSF
0
HPF2-1
0
HPF2-0 HPF1-1 HFP1-0
0
0
0
FSF: Select sampling rate to match a coefficient of digital filter
0: fs = 48kHz (Default)
1: fs = 32kHz
HPF1: Select cut-off frequency of HPF1 in EQ block. This is 1
st
order and IIR filter.
Cut-off Frequency
fs=32kHz
OFF
6kHz
7.5kHz
9kHz
HPF1-1
HPF1-0
fs=48kHz
OFF
6kHz
7.5kHz
9kHz
0
0
1
1
0
1
0
1
Default
Table 9. Select cut-off frequency of HPF1
HPF2: Select cut-off frequency of HPF2 to revise frequency response. This is 1
st
order and IIR filter.
Cut-off Frequency
fs=32kHz
OFF
100Hz
200Hz
300Hz
HPF2-1
HPF2-0
fs=48kHz
OFF
100Hz
200Hz
300Hz
0
0
1
1
0
1
0
1
Default
Table 10. Select cut-off frequency of HPF2
HPF3: Select cut-off frequency of HP3 for wind-noise cut. This is 2
nd
order and IIR filter. The cut-off frequency is
fixed to 400Hz and is changed by FSF bit.
0: OFF (Default)
1: ON
MIX1-0: Select Mixing value in EQ block. When HPF1 is OFF, this circuit is also OFF.
MIX1
0
0
1
1
Table 11. Select Mixing value
MIX0
0
1
0
1
Main : Sub
1: 1
1: 1.25
1: 0.5
1: 0.75
Default
相關(guān)PDF資料
PDF描述
AKD4564 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP
AK4565 LOW POWER 20BIT CODEC WITH BUILT IN ALC
AK4565VF LOW POWER 20BIT CODEC WITH BUILT IN ALC
AK4566 20bit Stereo CODEC with built-in IPGA & HP-AMP
AK4566VN 20bit Stereo CODEC with built-in IPGA & HP-AMP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4565 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH BUILT IN ALC
AK4565VF 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH BUILT IN ALC
AK4566 制造商:AKM 制造商全稱:AKM 功能描述:20bit Stereo CODEC with built-in IPGA & HP-AMP
AK4566VN 制造商:AKM 制造商全稱:AKM 功能描述:20bit Stereo CODEC with built-in IPGA & HP-AMP
AK4568AER 功能描述:IC CODEC LOW POWER 制造商:akm semiconductor inc. 系列:* 零件狀態(tài):上次購買時間 標(biāo)準(zhǔn)包裝:1,000