參數(shù)資料
型號： 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/胰腎聯(lián)合移植腺苷
文件頁數(shù)： 68/79頁
文件大?。?/td> 789K
代理商： AK4646
[AK4646]
MS0557-E-02
2007/05
- 68 -
2.
PLL Slave Mode (LRCK or BICK pin)
PMPLL bit
(Addr:01H, D0)
Internal Clock
(1)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
(2)
(3)
LRCK pin
BICK pin
(4)
(5)
Input
4fs of
“H”
Example:
Audio I/F Format : MSB justified (ADC & DAC)
PLL Reference clock: BICK
BICK frequency: 64fs
Sampling Frequency: 44.1kHz
(3) Addr:00H, Data:40H
(2) Addr:04H, Data:32H
Addr:05H, Data:27H
(4) Addr:01H, Data:01H
Figure 39. Clock Set Up Sequence (2)
<Example>
(1)
After Power Up: PDN pin “L”
“H”
“L” time of 150ns or more is needed to reset the AK4646.
(2)
DIF1-0, FS3-0 and PLL3-0 bits should be set during this period.
(3)
Power Up VCOM: PMVCM bit = “0”
“1”
VCOM should first be powered up before the other block operates.
(4)
PLL starts after the PMPLL bit changes from “0” to “1” and PLL reference clock (LRCK or BICK pin) is
supplied. PLL lock time is 160ms (max) when LRCK is a PLL reference clock. And PLL lock time is 2ms (max)
when BICK is a PLL reference clock.
(5)
Normal operation stats after that the PLL is locked.
相關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
相關代理商/技術參數(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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