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AK4616VQ Datasheet, PDF (31/46 Pages) Asahi Kasei Microsystems – 24bit 3ch/5ch Audio CODEC with Mic Amplifier | |||
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[AK4616]
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RSTN bit = â0âã®ã¨ãADCã¯ã¢ããã°é¨ã¨ãã£ã¸ã¿ã«é¨ããã¯ã¼ãã¦ã³ãDACã¯ãã£ã¸ã¿ã«é¨ããã¯ã¼ãã¦ã³
ãã¾ããã¬ã¸ã¹ã¿å¤ã¯åæåããã¾ããããã®ã¨ãSDTO1-2 pin㯠âLâ ã«ãªããã¢ããã°åºåã¯Hi-Zã«ãªãã¾
ãããã®æç°é³ãçããã®ã§ãåé¡ã«ãªãå ´åã¯å¤é¨ã§ãã¥ã¼ããã¦ä¸ãããFigure 28ã«RSTN bitã«ãããª
ã»ããã·ã¼ã±ã³ã¹ã示ãã¾ãã
RSTN bit
Internal
RSTN bit
ADC Internal
State
DAC Internal
State
ADC In
(Analog)
ADC Out
(Digital)
DAC In
(Digital)
DAC Out
(Analog)
4~5/fs (8)
3~4/fs (9)
(1)
Normal Operation
Power-down
Init Cycle
Normal Operation
Normal Operation
Digital Block Power-down
516/fs (2)
Init Cycle
Normal Operation
GD (2)
GD
(4)
â0âdata
â0âdata
(3)
GD
(7) (6)
(7)
(5)
GD
Clock In
MCLK,LRCK,SCLK
Donât care
注ï¼
(1) ADCã¯ãã¯ã¼ãã¦ã³è§£é¤å¾ãã¢ããã°é¨ãåæåããã¾ãã
åæåãµã¤ã¯ã«ã¯1056fsã«ãªãã¾ããã¹ã¿ã¼ãã¢ããæã®ADCã¸ã®å
¥åé»å§ã¯åä½ç¶æ
ã®ã³ã¢ã³é»å§ã
å
¥åãã¦ãã ããã
(2) DACã¯ãã¯ã¼ãã¦ã³è§£é¤å¾ãã¢ããã°é¨ãåæåããã¾ãã
(3) ã¢ããã°å
¥åã«å¯¾ãããã£ã¸ã¿ã«åºåããã£ã¸ã¿ã«å
¥åã«å¯¾ããã¢ããã°åºåã¯ç¾¤é
延(GD)ããã¡ã¾
ãã
(4) ãã¯ã¼ãã¦ã³æADCåºå㯠â0â ãã¼ã¿ã§ãã
(5) ã¢ããã°é¨ã®åæåçµäºæADCåºåã«ç°é³ãåºåããã¾ããç°é³ãåé¡ã«ãªãå ´åã¯ãã£ã¸ã¿ã«åºåã
ãã¥ã¼ããã¦ä¸ããã
(6) RSTN= â0âã®æãã¢ããã°åºåã¯Hi-Zã§ãã
(7) RSTN bitã â0â ã«ãªã£ã¦ãã4â¼5/fså¾ãåã³RSTN bitã â1â ã«ãªã£ã¦ãã3â¼4/fså¾ã«ç°é³ãåºåããã¾ãã
(8) RSTN bitã« â0âãæ¸ãè¾¼ãã§ããLSIå
é¨ã®RSTN bitãå¤åããã¾ã§4~5/fs ãããã¾ãã
(9) RSTN bitã« â1âãæ¸ãè¾¼ãã§ããåæåãµã¤ã¯ã«ãéå§ããã¾ã§3â¼4/fsãããã¾ãã
Figure 28. ãªã»ããã·ã¼ã±ã³ã¹ä¾
MS1437-J-01
- 31 -
2012/11
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