參數(shù)資料
型號(hào): AK4524
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 24BIT 96KHZ AUDIO CODEC
中文描述: 24位96kHz的音頻編解碼器
文件頁數(shù): 13/31頁
文件大?。?/td> 320K
代理商: AK4524
ASAHI KASEI
[AK4524]
M0050-E-01
1999/5
- 13 -
n
Audio Serial Interface Format
Five serial modes selected by the DIF0 and DIF1 pins are supported as shown in Table 4. In all modes the serial data has
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. The interface supports both master mode and slave mode. In master mode, BICK and LRCK are outputs and
the frequency of BICK is fixed to 64fs.
Mode
0
1
2
3
4
DIF2
0
0
0
0
1
DIF1
0
0
1
1
0
DIF0
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, IIS (I2S)
24bit, MSB justified
16bit, LSB justified
20bit, LSB justified
24bit, MSB justified
24bit, IIS (I2S)
24bit, LSB justified
at reset
Table 4. Audio data format
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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