參數(shù)資料
型號(hào): AK4633
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): 79/82頁
文件大?。?/td> 688K
代理商: AK4633
ASAHI KASEI
[AK4633]
MS0447-E-03
2006/04
- 79 -
3. PLL Slave Mode (MCKI pin)
External MCKI
PMPLL bit
(Addr:01H, D0)
Input
(1)
(2)
MCKO bit
(Addr:01H, D1)
(1)
Example
Audio I/F Format : DSP Mode, BCKP = MSBS = “0”
PLL Reference clock: MCKI
BICK frequency: 64fs
Sampling Frequency: 8kHz
(1) Addr:01H, Data:00H
(2) Stop the external clocks
Figure 59. Clock Stopping Sequence (3)
<Example>
(1) Power down PLL: PMPLL bit =
1
0
Stop MCKO output: MCKO bit =
1
0
(2) Stop the external master clock.
4. EXT Slave Mode
External FCK
Input
(1)
External BICK
Input
(1)
External MCKI
Input
(1)
Example
Audio I/F Format :MSB justified(ADC and DAC)
Input MCKI frequency:1024fs
Sampling Frequency:8kHz
(2) Stop the external clocks
(1) Addr:01H, Data:00H
Figure 60. Clock Stopping Sequence (4)
<Example>
(1) Stop the external MCKI, BICK and FCK clocks.
Power down
If the clocks are supplied, power down VCOM (PMVCM bit:
1
0
) after all blocks except for VCOM are
powered-down and a master clock stops. The AK4633 is also powered-down by PDN pin =
L
. When PDN pin =
L
,
the registers are initialized.
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參數(shù)描述
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