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AK5701KN_17 Datasheet, PDF (58/64 Pages) Asahi Kasei Microsystems – PLL & MIC-AMP内蔵16-Bit Stereo ADC | |||
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[AK5701]
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ADCã使ç¨ããªãå ´åã¯ããã¹ã¿ã¯ããã¯ãåæ¢ãããã¨ãã§ãã¾ãã
1. PLLãã¹ã¿ã¢ã¼ãã®å ´å
PMPLL bit
(Addr:11H, D0)
M/S bit
(Addr:11H, D1)
MCKO bit
(Addr:16H, D2)
External MCKI
(1)
(2)
"H" or "L"
(3)
Input
Example:
Audio I/F Format: I2S
BCLK frequency at Master Mode: 64fs
Input Master Clock Select at PLL Mode: 11.2896MHz
Sampling Frequency: 44.1kHz
(1) Addr:11H, Data:10H
(2) Addr:16H, Data:00H
(3) Stop an external MCKI
Figure 53. Clock Stopping Sequence (1)
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(1) PLLã®ãã¯ã¼ãã¦ã³: PMPLL=M/S bits = â1â ï® â0â
(2) MCKOåºåã®åæ¢: MCKO bit = â1â ï® â0â
(3) å¤é¨ã¯ããã¯ãæ¢ãã¦ä¸ããã
2. PLLã¹ã¬ã¼ãã¢ã¼ã(EXLRCK, EXBCLK pin)ã®å ´å
PMPLL bit
(Addr:11H, D0)
EXBCLK
EXLRCK
(1)
(2)
Input
(2)
Input
Example
: Audio I/F Format : I2S
PLL Reference clock: EXBCLK
BCLK frequency: 64fs
Sampling Frequency: 44.1kHz
(1) Addr:11H, Data:0CH
(2) Stop the external clocks
Figure 54. Clock Stopping Sequence (2)
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(1) PLLã®ãã¯ã¼ãã¦ã³: PMPLL bit = â1â ï® â0â
(2) å¤é¨ã¯ããã¯ãæ¢ãã¦ä¸ããã
* ã¹ã¬ã¼ã&ãã¤ãã¹ã¢ã¼ããåæ§ã®æé ã§ãã
MS0404-J-04
- 58 -
2015/10
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