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AK5701KN_17 Datasheet, PDF (59/64 Pages) Asahi Kasei Microsystems – PLL & MIC-AMP内蔵16-Bit Stereo ADC | |||
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[AK5701]
3. PLLã¹ã¬ã¼ãã¢ã¼ã(MCKI pin)ã®å ´å
PMPLL bit
(Addr:11H, D0)
MCKO bit
(Addr:16H, D2)
External MCKI
(1)
(2)
(3)
Input
Example
: Audio I/F Format: I2S
PLL Reference clock: MCKI=11.2896MHz
EXBCLK frequency: 64fs
Sampling Frequency: 44.1kHz
(1) Addr:11H, Data:10H
(2) Addr:16H, Data:00H
(3) Stop the external clocks
Figure 55. Clock Stopping Sequence (3)
<æé ä¾>
(1) PLLã®ãã¯ã¼ãã¦ã³: PMPLL bit = â1â ï® â0â
(2) MCKOåºåã®åæ¢: MCKO bit = â1â ï® â0â
(3) å¤é¨ã¯ããã¯ãæ¢ãã¦ä¸ããã
4. å¤é¨ã¯ããã¯ã¢ã¼ãã®å ´å(ã¹ã¬ã¼ãã¢ã¼ã)
External MCKI
EXBCLK
EXLRCK
(1)
Input
(1)
Input
(1)
Input
Example
: Audio I/F Format :I2S
Input MCKI frequency:256fs
Sampling Frequency:44.1kHz
(1) Stop the external clocks
Figure 56. Clock Stopping Sequence (4)
<æé ä¾>
(1) å¤é¨ã¯ããã¯ãæ¢ãã¦ä¸ããã
* ãã¤ãã¹ã¢ã¼ããåæ§ã®æé ã§ãã
5. å¤é¨ã¯ããã¯ã¢ã¼ãã®å ´å(ãã¹ã¿ã¢ã¼ã)
External MCKI
(1)
Input
BCLK
LRCK
Output
Output
"H" or "L"
"H" or "L"
Example
: Audio I/F Format :I2S
Input MCKI frequency:256fs
Sampling Frequency:44.1kHz
(1) Stop MCKI
Figure 57. Clock Stopping Sequence (5)
<æé ä¾>
(1) MCKIãæ¢ãã¦ä¸ãããBCLKããã³LRCK㯠âHâã¾ã㯠âLâã«åºå®ããã¾ãã
MS0404-J-04
- 59 -
2015/10
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