參數(shù)資料
型號(hào): AK4103A
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 192 KHZ 24 BIT DIT
中文描述: 192千赫24位動(dòng)態(tài)網(wǎng)
文件頁(yè)數(shù): 14/26頁(yè)
文件大?。?/td> 298K
代理商: AK4103A
ASAHI KASEI
[AK4103A]
MS0251-E-00
2003/07
- 14 -
LRCK
C,U,V
BICK
Channel 1
C, U, V
Channel 1
Channel 2
Channel 2
C, U, V
Figure 7. Audio routing, DIF modes 5 and 7 (I
2
S)
n
Audio Serial Interface
The audio serial interface is used to input audio data and consists of three pins: Bit Clock (BICK), Word Clock (LRCK)
& Data pin (SDTI). LRCK indicates the particular channel, left or right. The DIF 2-0 pins in synchronous mode and
control registers in asynchronous mode select the particular input mode. In asynchronous mode, DIF2-0 bits are
logically ORed with DIF2-0 pins. Audio data format supports 16-24 bits, right justified and left justified modes. The I
2
S
mode is also supported. The AK4103A can be configured in master and slave modes.
Mode
DIF2
DIF1
DIF0
SDTI
0
0
0
0
16bit, Right justified
1
0
0
1
18bit, Right justified
2
0
1
0
20bit, Right justified
3
0
1
1
24bit, Right justified
4
1
0
0
24bit, Left justified
5
1
0
1
24bit, I
2
S
6
1
1
0
24bit, Left justified
7
1
1
1
24bit, I
2
S
Table 3. Audio Data Format Modes [NOTE; (I): Input, (O): Output]
Master / Slave
Slave
Slave
Slave
Slave
Slave
Slave
Master
Master
LRCK
H/L (I)
H/L (I)
H/L (I)
H/L (I)
H/L (I)
L/H (I)
H/L (O)
L/H (O)
BICK
32fs-128fs (I)
36fs-128fs (I)
40fs-128fs (I)
48fs-128fs (I)
48fs-128fs (I)
50fs-128fs (I)
64fs (O)
64fs (O)
LRCK(i)
BICK(i)
SDTI(i)
0
1
2
31
0
1
15:MSB, 0:LSB
Lch Data
Rch Data
15
17
16
15
31
0
1
2
17
16
0
1
0
1
30
15
14
14
15
30
Figure 8. Mode 0 Timing
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