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AK5730VQ_17 Datasheet, PDF (22/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
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[AK5730]
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4種é¡ã®ãã¼ã¿ãã©ã¼ããããDIF bit, TDM1-0 bits ã§é¸æã§ãã¾ããå
¨ã¢ã¼ãã¨ãMSBãã¡ã¼ã¹ãã2âsã³ã³ããªã¡ã³ãã®
ãã¼ã¿ãã©ã¼ãããã§ããLRCK pin 㨠BICK pin ã¯ãã¹ã¿ã¢ã¼ãæã«åºåã«ãªããã¹ã¬ã¼ãã¢ã¼ãæã«å
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ã¹ã¬ã¼ãã¢ã¼ãã®æãMCLKIå¨æ³¢æ°ã¯256fsã¾ãã¯512fsã¨ãã¦ãã ããããã¹ã¿ã¢ã¼ãã®æã¯MCLKIå¨æ³¢æ°ã256fsã«
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Mode
0
1
-
-
3
4
-
-
DIF bit
0
0
0
0
1
1
1
1
TDM1 bit
0
0
1
1
0
0
1
1
TDM0 bit
0
1
0
1
0
1
0
1
BICK
64fs
256fs
-
-
64fs
256fs
-
-
Data Format
Stereo Mode (I2S)
TDM256 Mode(I2S)
(Reserved)
(Reserved)
Stereo Mode (Left Justified)
TDM256 Mode (Left Justified)
(Reserved)
(Reserved)
(default)
Table 6. TDM Mode è¨å®
LRCK
0 1 2 3 22 23 24 25
BICK(64fs)
29 30 31 0 1 2 3 22 23 24 25
SDTO1(o)
23 22
210
23:MSB, 0:LSB Data 1
23 22
210
Data 2
29 30 31 0 1
SDTO2(o)
23 22
210
23:MSB, 0:LSB Data 3
23 22
210
Data 4
TDMI(i)
Donât Care
Figure 16. Mode 0 Timing (Stereo Mode (I2S))
LRCK (Master)
LRCK (Slave)
BICK (256fs)
SDTO1 (O)
SDTO2 (O)
256 BICK
23
0
Data 1
32 BICK
23
0
Data 2
32 BICK
23
0
Data 3
32 BICK
23
0
Data 4
32 BICK
23
0
Data 5
32 BICK
23
0
Data 6
32 BICK
23
0
Data 7
32 BICK
23
0
Data 8
32 BICK
*
23
TDMI (I) *
(*: Optional)
MS1577-J-03
23
0
Data 5
32 BICK
23
0
Data 6
32 BICK
23
0
Data 7
32 BICK
23
0
Data 8
32 BICK
Figure 17. Mode1 Timing (TDM256 Mode (I2S))
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23
2015/11
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