參數(shù)資料
型號: AK4564VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP
中文描述: 16位編解碼器,配有ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 15/48頁
文件大?。?/td> 382K
代理商: AK4564VQ
ASAHI KASEI
[AK4564]
MS0140-E-01
2002/07
- 15 -
n
Audio Serial Interface Format
The SDTI, SDTO, BCLK and LRCK pins are connected to an external controller. The audio data format has four modes,
MSB-first and 2’s compliment. The data format is set by the DIF1-0 bits. SDTI is latched by “
” of BCLK. SDTO is
latched by “
”.
When DIF1= “0” and DIF0=”1”, only BCLK=64fs is acceptable.
No.
DIF1 bit
DIF0 bit
SDTO(ADC)
0
0
0
MSB justified
1
0
1
LSB justified
2
1
0
MSB justified
3
1
1
I
2
S compatible
Table 1. Audio Data Format
LRCK
SDTI(DAC)
LSB justified
LSB justified
MSB justified
I
2
S compatible
BCLK
32fs
= 64fs
32fs
32fs
Figure
Figure 8
Figure 9
Figure 10
Figure 11
RESET
BCLK(32fs)
SDTO(o)
SDTI(i)
0
1
2
8
9
10
12
13
15
0
1
2
8
9
10
12
13
15
0
15
1
14
4
8
7
6
0
3
2
11
14
1
5
15 14
4
8
7
6
0
3
2
1
5
14
11
15
13
BCLK(64fs)
SDTO(o)
0
1
2
3
14
15
17
18
31
0
1
2
14
15
17
18
31
0
15
1
14
0
15 14
1
2
1
15
SDTI(i)
1
0
15
14
1
0
15
14
15:MSB, 0:LSB
Lch Data
Rch Data
Don’t Care
2
1
13
Don’t Care
16
0
16
3
13
3
13
13
3
Figure 8. Audio Data Timing (No.0)
LRCK
BCLK(64fs)
SDTO(o)
0
1
2
15
16
17
19
20
31
0
1
2
15
16
17
19
20
31
0
1
13
15
15
15
SDTI(i)
1
15
0
13 12
1
15
0
13 12
15:MSB, 0:LSB
Lch Data
Rch Data
Don’t Care
Don’t Care
15
15
12
4
14
14
0
1
18
14
0
12
14 13
1
18
Figure 9. Audio Data Timing (No.1)
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