參數(shù)資料
型號(hào): AK4631
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi): 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(yè)數(shù): 59/69頁(yè)
文件大?。?/td> 568K
代理商: AK4631
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 59 -
3. PLL
(MCKI pin)
MCKPD bit
(Addr:01H, D2)
BICK pin
FCK pin
MCKO bit
(Addr:01H, D1)
PMPLL bit
(Addr:01H, D0)
(1)
(4)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
(2)
(3)
MCKI pin
(6)
(5)
Input
MCKO pin
Output
(7)
(8)
40msec(max)
(9)
Input
Example:
Audio I/F Format: DSP Mode, BCKP = MSBS = “0”
BICK frequency at Master Mode: 64fs
Input Master Clock Select at PLL Mode: 11.2896MHz
MCKO : Enable
Sampling Frequency:8kHz
(1) Power Supply & PDN pin = “L”
“H”
(3)Addr:00H, Data:40H
(2)Addr:01H, Data:04H
Addr:04H, Data:48H
Addr:05H, Data:00H
(4)Addr:01H, Data:03H
MCKO output start
BICK and FCK input start
Figure 45. Clock Set Up Sequence (3)
<
>
(1)
PDN pin “L”
“H”
AK4631
DIF1-0, PLL3-0, FS3-0, BCKO1-0, MSBS, BCKP, M/S bit
PMVCM bit = “0”
“1”
VCOM
: MCKPD bit = “1”
“0”
: MCKO bit = “1”
“0”
“1”
MCKI pin
40ms(max)
MCKO pin
MCKO pin
(9) MCKO
BICK, FCK
(1)
150ns
“L”
(2)
(3) VCOM
(4) MCKI pin
(5) MCKO
(6) PMPLL bit
PLL
PLL
(7) PLL
(8)
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