ak4390 ETC-unknow, ak4390 Datasheet - Page 15

• Manufacturer Part Number: ak4390
• Description: Ultra Low Latency 32-bit ?? Dac
• Manufacturer: ETC-unknow

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Data is shifted in via the SDATA pin using the BICK and LRCK inputs. Eight data formats are supported, selected by the
DIF2-0 pins (Parallel control mode) or DIF2-0 bits (Serial control mode) as shown in
is MSB-first, 2's compliment format and is latched on the rising edge of BICK. Mode 2 can be used for 20-bit and 16-bit
MSB justified formats by zeroing the unused LSBs.
MS1046-E-00
Audio Interface Format
SDATA
LRCK
BICK
(64fs)
SDATA
SDATA
LRCK
BICK
(32fs)
BICK
(64fs)
SDATA
Mode 1
Mode 4
Mode 0
Mode 0
Mode
0
1
2
3
4
5
6
7
0
0
0
Don’t care
19:MSB, 0:LSB
23:MSB, 0:LSB
Don’t care
Don’t care
15:MSB, 0:LSB
15 14
1
1
1
DIF2
0
0
0
0
1
1
1
1
8
23
DIF1
6
0
0
1
1
0
0
1
1
Lch Data
10
Lch Data
14
9
22 21
5
10
11
15
4
DIF0
11
Table 4. Audio Interface Format
12
0
1
0
1
0
1
0
1
16
20 19
15 14
3
Figure 2. Mode 1/4 Timing
Figure 1. Mode 0 Timing
13
12
17
19
2
24bit I
32bit I
24bit MSB justified
32bit MSB justified
16bit LSB justified
20bit LSB justified
24bit LSB justified
32bit LSB justified
14
1
Input Format
31
- 15 -
15
31
2
2
S Compatible
S Compatible
0
0
0
0
0
0
0
Don’t care
Don’t care
Don’t care
15 14
1
1
1
8
≥ 32fs
≥ 48fs
≥ 48fs
≥ 48fs
≥ 48fs
≥ 64fs
≥ 64fs
≥ 64fs
BICK
23
6
Rch Data
10
Rch Data
14
9
22 21
5
Table
10
11
15
4
Figure 1
Figure 2
Figure 3
Figure 4
Figure 2
Figure 5
Figure 5
Figure 6
Figure
11
12
16
4. In all formats the serial data
20 19
15 14
3
13
12
17
19
2
14
(default)
1
31
15
31
0
0
0
0
0
0
0
15 14
[AK4390]
1
2009/01
1
1