參數(shù)資料
型號: AK4631
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
中文描述: 16位單聲道編解碼器ALC的
文件頁數(shù): 58/69頁
文件大?。?/td> 568K
代理商: AK4631
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 58 -
2. PLL
(FCK or BICK pin)
MCKPD bit
(Addr:01H, D2)
PMPLL bit
(Addr:01H, D0)
Internal Clock
(1)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
(2)
(3)
FCK pin
BICK pin
(5)
"H"
(6)
Input
(4)
4fs of
“H”
Example:
Audio I/F Format : DSP Mode, BCKP = MSBS = “0”
PLL Reference clock: BICK
BICK frequency: 64fs
Sampling Frequency: 8kHz
(3) Addr:00H, Data:40H
(2) Addr:04H, Data:30H
Addr:05H, Data:00H
(4) Addr:01H, Data:05H
BICK and FCK input
Figure 44. Clock Set Up Sequence (2)
<
>
(1)
PDN pin “L”
“H”
AK4631
DIF1-0, FS2-0, PLL3-0, MSBS, BCKP bit
PMVCM bit = “0”
“1”
(1)
150ns
“L”
(2)
(3) VCOM
VCOM
(4) MCKI pin
(5) PMPLL bit
: MCKPD bit = “1”
PLL
FCK
PLL
“0”
“1”
FCK or BICK pin
PLL
PLL
160ms(max), BICK
PLL
2ms(max)
(6) PLL
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