ak4380 AKM Semiconductor, Inc., ak4380 Datasheet - Page 10
ak4380
Manufacturer Part Number
ak4380
Description
100db 24bit 96khz 2ch Dac
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4380.pdf
(21 pages)
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ASAHI KASEI
n Audio Serial Interface Format
Data is shifted in via the SDTI pin using BICK and LRCK inputs. The DIF0-2 bits as shown in Table 4 can select five
formats in serial mode. In parallel mode, the DIF0 pin as shown Table 5 can select two formats. In all modes the serial data
is MSB-first, 2’s compliment format and is latched on the rising edge of BICK. Mode 2 can be used for 16 MSB justified
formats by zeroing the unused LSBs.
MS0018-E-01
SDTI
SDTI
LRCK
BICK
(32fs)
BICK
(64fs)
Mode 0
Mode 0
0
0
Don’t care
15:MSB, 0:LSB
15
Mode
1
0
1
2
3
4
1
14
Mode
DIF2
2
3
0
0
0
0
1
6
Lch Data
10
14
5
DIF0
DIF1
Table 5. Audio Data Formats (Parallel mode)
Table 4. Audio Data Formats (Serial mode)
0
1
11
0
0
1
1
0
15
4
12
16
SDTI Format
24bit MSB Justified
24bit I
15 14
3
DIF0
Figure 1. Mode 0 Timing
0
1
0
1
0
13
17
2
2
S Compatible
14
SDTI Format
16bit LSB Justified
20bit LSB Justified
24bit MSB Justified
24bit I
24bit LSB Justified
1
15
31
- 10 -
0
0
2
S Compatible
0
0
Don’t care
15 14
1
1
BICK
48fs
48fs
6
10
Rch Data
14
BICK
5
32fs
40fs
48fs
48fs
48fs
Figure 3
Figure 4
11
Figure
15
4
12
16
15 14
3
Figure 1
Figure 2
Figure 3
Figure 4
Figure 2
Figure
13
17
2
14
1
15
31
Default
0
0
0
0
15
[AK4380]
1
1
14
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