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): 19/54頁
文件大?。?/td> 403K
代理商: AK4122
ASAHI KASEI
[AK4122]
MS0267-E-03
2004/08
- 19 -
LRCK
BICK(64fs)
0 1 2
20 21
24
31 0 1 2
1
0
22
20 21
31
24
22 23
23
SDTI(i)
Don't Care
0
0
23:MSB, 0:LSB
Lch Data
Rch Data
Don't Care
4 3 2 1
23 22
23 22
23
1
2
3
4
Figure 3. Mode 1 Timing
LRCK
BICK(64fs)
0 1 2
25
21
24
0
1 2
1
0
22
25
21
24
22 23
23
3
SDTI(i)
Don't Care
0
0
23:MSB, 0:LSB
Lch Data
Rch Data
Don't Care
4 3
2 1
23 22
23 22
1
2
3
4
Figure 4. Mode 2 Timing
LRCK
BICK(64fs)
0
1
2
24
31 0
1
2
1
0
31
24
8
9
8
9
SDTI(i)
Don't Care
0
8
1 0
23:MSB, 0:LSB
Lch Data
Rch Data
23
8
Don't Care
23
1
Figure 5. Mode 3 Timing
(2) PORT2
Four kinds of data formats can be chosen with the IDIF1-0 bits (Table 9). In all modes, the serial data is in MSB first, 2’s
compliment format. If PORT2 is selected the output port, the SDTIO is clocked out on the falling edge of BICK2, and if
PORT2 is selected the input port, the SDTIO is latched on the rising edge of BICK2. The audio interface supports both
master and slave modes. In master mode, BICK2 and LRCK2 are output with the BICK2 frequency fixed to 64fs and the
LRCK2 frequency fixed to 1fs.
Mode
IDIF1
IDIF0
Output Format
0
0
0
24bit, MSB justified
1
0
1
24bit, MSB justified
2
1
0
24bit, I
2
S Compatible
3
1
1
24bit, MSB justified
Table 9. Audio Interface Format for PORT2
Input Format
16bit, LSB justified
24bit, MSB justified
24bit, I
2
S Compatible
24bit, LSB justified
LRCK
H/L
H/L
L/H
H/L
BICK
32fs
48fs
48fs
48fs
Default
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