參數(shù)資料
型號(hào): AK5385BVS
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 24Bit 192kHz ツヒ ADC
中文描述: ADC的24位192kHz的ツヒ
文件頁(yè)數(shù): 15/24頁(yè)
文件大?。?/td> 195K
代理商: AK5385BVS
ASAHI KASEI
[AK5385B]
MS0406-E-00
2005/08
- 15 -
Audio Interface Format
Two kinds of data formats can be chosen with the DIF pin (Table 4). In both modes, the serial data is in MSB first, 2’s
complement format. The SDTO is clocked out on the falling edge of BICK. The audio interface supports both master and
slave modes. In master mode, BICK and LRCK are output with the BICK frequency fixed to 64fs and the LRCK
frequency fixed to 1fs.
Mode
DIF pin
SDTO
0
L
24bit, MSB justified
1
H
24bit, I
2
S Compatible
Table 4. Audio Interface Format
LRCK
LRCK
H/L
L/H
BICK
48fs
48fs
Figure
Figure 1
Figure 2
BICK(64fs)
SDTO(o)
0
23 22
1 2
4
0
20 21
24
31 0 1 2
23 22
0
1
0
23
22
20 21
31
23:MSB, 0:LSB
Lch Data
Rch Data
24
3 2 1
22 23
23
1
2
3
4
Figure 1. Mode 0 Timing
LRCK
BICK(64fs)
SDTO(o)
0
23 22
1 2
4
0
25
21
24
0 1
2
23 22
0
1
0
22
25
21
24
3 2
1
22 23
23
1
2
3
4
3
23:MSB, 0:LSB
Lch Data
Rch Data
Figure 2. Mode 1 Timing
Master Mode and Slave Mode
The M/S pin selects either master or slave modes. M/S pin = “H” selects master mode and “L” selects slave mode. The
AK5385B outputs BICK and LRCK in master mode. In slave mode, provide MCLK, BICK and LRCK.
M/S pin
Mode
BICK, LRCK
BICK = Input
LRCK = Input
BICK = Output
LRCK = Output
L
Slave Mode
H
Master Mode
Table 5. Master mode/Slave mode
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