AK5701VN AKM [Asahi Kasei Microsystems], AK5701VN Datasheet - Page 58

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AK5701VN

Manufacturer Part Number
AK5701VN
Description
PLL & MIC-AMP 16-Bit Stereo ADC
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet

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ASAHI KASEI
ADCを使用しない場合は、マスタクロックを停止することができます。
MS0404-J-00
External MCKI
1. PLLマスタモードの場合
2. PLLスレーブモード(EXLRCK, EXBCLK pin)の場合
クロックの停止
(Addr:11H, D0)
(Addr:11H, D1)
(Addr:16H, D2)
(Addr:11H, D0)
<手順例>
<手順例>
PMPLL bit
PMPLL bit
MCKO bit
EXLRCK
EXBCLK
M/S bit
* スレーブ&バイパスモードも同様の手順です。
(1) PLLのパワーダウン: PMPLL=M/S bits = “1” → “0”
(2) MCKO出力の停止: MCKO bit = “1” → “0”
(3) 外部クロックを止めて下さい。
(1) PLLのパワーダウン: PMPLL bit = “1” → “0”
(2) 外部クロックを止めて下さい。
"H" or "L"
Input
Input
Input
(1)
(1)
(2)
(3)
(2)
(2)
Figure 53. Clock Stopping Sequence (1)
Figure 54. Clock Stopping Sequence (2)
- 58 -
Example:
Example
BCLK frequency at Master Mode: 64fs
Input Master Clock Select at PLL Mode: 11.2896MHz
Audio I/F Format : I2S
PLL Reference clock: EXBCLK
BCLK frequency: 64fs
Audio I/F Format: I2S
Sampling Frequency: 44.1kHz
Sampling Frequency: 44.1kHz
(1) Addr:11H, Data:10H
(2) Addr:16H, Data:00H
(3) Stop an external MCKI
(2) Stop the external clocks
(1) Addr:11H, Data:0CH
[AK5701]
2005/08

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