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AK4495SEQ Datasheet, PDF (31/58 Pages) Asahi Kasei Microsystems – Quality-oriented Premium 32-Bit 2ch DAC | |||
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[AK4495S]
[3] å¤é¨ãã¸ã¿ã«ãã£ã«ã¿ã¢ã¼ã (EX DF I/F mode)
ä¸è¨è¡¨ã®ãDWã¯WCK1å¨æä¸ã®BCKã®åæ°ã§ãã
ãªã¼ãã£ãªãã¼ã¿ã¯MCLK, BCKåã³WCKã使ã£ã¦DINL, DINRããå
¥åããã¾ãã3種é¡ã®ãã¼ã¿ãã©
ã¼ããã(Table 20)ãDIF2-0bitã§é¸æã§ãã¾ãããã¼ã¿ã¯BCKã®ç«ã¡ä¸ããã§ã©ããããã¾ããBCKã«ã¯
MCLKã¨åãã¯ããã¯ãå
¥åãã¦ãã ãããBCK, MCLKã¯ãã¼ã¹ããããã®ãå
¥åããªãã§ãã ããã
åã¹ãã¼ãã§ã®MCLKã¨BCKã®å¨æ³¢æ°ã¯Table 19ã§ç¤ºãããå¨æ³¢æ°ãå¤é¨ããå
¥åãã¦ãã ããã
Sampling
Speed[kHz]
MCLK&BCK [MHz]
256fs 384fs 512fs 768fs
WCK
ECS
768
(432-864)
N/A
N/A 24.576 36.864 16fs
32
48
DW
0 (default)
384
12.288 18.432 24.576 36.864
8fs
(216-432)
32
48
64
96
DW
1
Table 19. System Clock Example (EX DF I/F mode) (N/A: Not available)
Mode DIF2 DIF1 DIF0 Input Format
0
0
0
0
16bitå¾è©°ã
1
0
0
1
N/A
2
0
1
0
N/A
3
0
1
1
N/A
4
1
0
0
24bitå¾è©°ã
5
1
0
1
32bitå¾è©°ã (default)
6
1
1
0
N/A
7
1
1
1
N/A
Table 20. Audio Interface Format (EX DF I/F mode) (N/A: Not available)
1/16fs or 1/8fs or 1/4fs or 1/2fs
WCK
BCK
01
8 9 10 11
16 17
26 27 28 29 30 31 0 1
DINL or
DINR
BCK
DINL or
DINR
BCK
DINL or
DINR
31 30
01
24 23 22 21 20 17 16 15 14
5678
47 48 49
Donât care
01
Donât care
5678
Donât care
23 24 25
Donât care
Donât care
Donât care
654 321 0
65
92 93 94 95 0 1
31
17
3 2 1 0 Donât care
44 45 46 47 0 1
31
3 2 1 0 Donât care
Figure 9. EX DF I/F Mode Timing
MS1560-J-01
- 31 -
2013/11
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