參數(shù)資料
型號(hào): AK4528
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: HIGH PERFORMANCE 24BIT 96KHZ AUDIO CODEC
中文描述: 高性能24位96kHz的音頻編解碼器
文件頁(yè)數(shù): 12/29頁(yè)
文件大?。?/td> 284K
代理商: AK4528
ASAHI KASEI
[AK4528]
MS0011-E-00
2000/1
- 12 -
n
Audio Serial Interface Format
In case of serial mode, the DIF0-2 bits as shown in Table 4 support five serial formats. In case of parallel mode, two
formats (Mode 2 and 3) are supported by DIF pin (Table 5). In all modes the serial data is MSB-first, 2’s compliment
format. The SDTO is clocked out on the falling edge of BICK and the SDTI is latched on the rising edge.
Mode
0
1
2
3
4
DIF2 bit
0
0
0
0
1
DIF1 bit
0
0
1
1
0
DIF0 bit
0
1
0
1
0
SDTO
SDTI
LRCK
H/L
H/L
H/L
L/H
H/L
BICK
3
32fs
3
40fs
3
48fs
3
48fs
3
48fs
24bit, MSB justified
24bit, MSB justified
24bit, MSB justified
24bit, I
2
S
24bit, MSB justified
16bit, LSB justified
20bit, LSB justified
24bit, MSB justified
24bit, I
2
S
24bit, LSB justified
Default
Table 4. Audio data format in Serial Mode
Mode
2
3
DIF pin
0
1
SDTO
SDTI
LRCK
H/L
L/H
BICK
3
48fs
3
48fs
24bit, MSB justified
24bit, I
2
S
24bit, MSB justified
24bit, I
2
S
Table 5. Audio data format in Parallel Mode
LRCK
BICK(64fs)
SDTO(o)
0
1
2
19
17
18
20
31
0
1
2
19
17
18
20
31
0
23
1
22
4
23 22
7
6
4
23
SDTI(i)
1
14
0
12
11
1
14
0
12
11
SDTO-19:MSB, 0:LSB; SDTI-15:MSB, 0:LSB
Lch Data
Rch Data
Don’t Care
Don’t Care
7
6
BICK(32fs)
SDTO(o)
0
1
2
9
10
12
13
15
0
1
2
9
10
12
13
15
0
23
1
22
12
23 22
12
15 14
23
SDTI(i)
1
6
0
4
3
1
15
0
5
4
15 14
2
9
8
11
10
21
15
14 13
3
11
14
13
5
7
21
5
3
13
15
30
21
3
3
21
14
13
7
6
3
2
15
14
11
8
9
10
11
13
5
3
15
13
2
2
Figure 1. Mode 0 Timing
LRCK
BICK(64fs)
SDTO(o)
0
1
2
12
13
14
24
25
31
0
1
2
12
13
14
24
25
31
0
23
1
22
0
23 22
12
11 10
0
23
SDTI(i)
1
18
0
19
8
7
1
18
0
19
8
7
SDTO-23:MSB, 0:LSB; SDTI-19:MSB, 0:LSB
Lch Data
Rch Data
Don’t Care
Don’t Care
12
11 10
Figure 2. Mode 1 Timing
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