參數(shù)資料
型號: AK4122
廠商: Electronic Theatre Controls, Inc.
英文描述: 24 BIT 96KHZ SRC WITH DIR
中文描述: 24位96kHz Src與迪爾
文件頁數(shù): 21/54頁
文件大?。?/td> 403K
代理商: AK4122
ASAHI KASEI
[AK4122]
MS0267-E-03
2004/08
- 21 -
(3) PORT3
Two kinds of data formats can be chosen with the ODIF bit (Table 10). In both modes, the serial data is in MSB first, 2’s
compliment format. The SDTO is clocked out on the falling edge of BICK. The audio interface supports both master and
slave modes. In master mode, BICK and LRCK are output with the BICK frequency fixed to 64fs and the LRCK
frequency fixed to 1fs.
Mode
ODIF
Output Format
0
0
24bit, MSB justified
1
1
24bit, I
2
S Compatible
Table 10. Audio Interface Format for PORT3
LRCK
LRCK
H/L
L/H
BICK
48fs
48fs
Default
BICK(64fs)
0 1
18
2 3
19 20
31 0 1 2 3
1
0
18 19 20
31
SDTO(o)
23 22 21
7
23 22 21
23
17
6 5 4 3
7 6 5 4 3
17
SDTO-23:MSB, 0:LSB
Lch Data
Rch Data
Figure 10. Mode 0 Timing
LRCK
BICK(64fs)
SDTO(o)
0
23 22
1 2
4
0
25
21
24
0 1 2
23 22
0
1
0
22
25
21
24
3 2 1
22 23
23
1
2
3
4
3
23:MSB, 0:LSB
Lch Data
Rch Data
Figure 11. Mode 1 Timing
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