AK4122VQ ETC [List of Unclassifed Manufacturers], AK4122VQ Datasheet - Page 21
AK4122VQ
Manufacturer Part Number
AK4122VQ
Description
24 BIT 96KHZ SRC WITH DIR
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
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ASAHI KASEI
(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.
MS0267-E-03
LRCK
BICK(64fs)
SDTO(o)
LRCK
BICK(64fs)
SDTO(o)
Mode
0
1
0 1
0
23 22 21
SDTO-23:MSB, 0:LSB
1 2
ODIF
23 22
23:MSB, 0:LSB
2 3
0
1
Table 10. Audio Interface Format for PORT3
3
24bit, I
24bit, MSB justified
Lch Data
4
7
21
17
Figure 10. Mode 0 Timing
Figure 11. Mode 1 Timing
Output Format
Lch Data
3 2 1
6 5 4 3
22 23
18
2
19 20
S Compatible
24
0
25
- 21 -
31 0 1 2 3
0 1 2
23 22 21
23 22
LRCK
H/L
L/H
≥ 48fs
≥ 48fs
BICK
4
Rch Data
7 6 5 4 3
21
17
Rch Data
3
22
18 19 20
2
23
1
24
Default
0
25
31
0
0
23
1
1
[AK4122]
2004/08
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