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參數(shù)資料
| 型號： | AK4122 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 24 BIT 96KHZ SRC WITH DIR |
| 中文描述： | 24位96kHz Src與迪爾 |
| 文件頁數(shù)： | 18/54頁 |
| 文件大小： | 403K |
| 代理商： | AK4122 |
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ASAHI KASEI
[AK4122]
MS0267-E-03
2004/08
- 18 -
Master Mode and Slave Mode
When PORT2 and PORT3 are used as output port, the M/S2 pin and M/S3 pin select either master or slave mode. “H” is
master mode, “L” is slave mode. In master mode, MCLK should be input and the AK4122 outputs BICK and LRCK. In
slave mode, BICK and LRCK are input externally and MCLK is not needed. If PORT2 is used as input port, M/S2 pin
should be set “H” or “L”.
M/S2 pin
BYPS bit
Data I/O
L
0
I/O
Input
L
1
Output
H
0
I/O
H
1
I/O
Table 6. Master mode/Slave mode for PORT2
M/S3 pin
BYPS bit
Data I/O
L
0
Output
L
1
Output
H
0
Output
H
1
Output
Table 7. Master mode/Slave mode for PORT3
Audio Interface Format
The audio interface should be controlled during PWN bit = “0”. When in BYPASS mode, BICK1, BICK2 and BICK are
fixed to 64fs.
(1) PORT1
Four kinds of data formats can be chosen with the DIF1-0 bits (Table 8). In all modes, the serial data is in MSB first, 2’s
compliment format. The SDTI is latched on the rising edge of BICK1. PORT1 corresponds to slave mode only.
Mode
DIF1
DIF0
Input Format
0
0
0
16bit, LSB justified
1
0
1
24bit, MSB justified
2
1
0
24bit, I
2
S Compatible
3
1
1
24bit, LSB justified
Table 8. Audio Interface Format for PORT1
Note: The DIF1-0 bits of the PORT1 should be set a value except “10” (I
2
S Compatible) when the DIR is
selected as an input port.
LRCK
Mode
Slave, SRC
Available
Not Available
Master, SRC
Master, Bypass
BICK, LRCK
Input
Output
Mode
Slave, SRC
Not Available
Master, SRC
Master, Bypass
BICK, LRCK
Input
Output
LRCK
H/L
H/L
L/H
H/L
BICK
≥
32fs
≥
48fs
≥
48fs
≥
48fs
Default
BICK(32fs)
0 1
10
2 3
9
11 12 13 14 15 0
1 2 3
1
0
10
9
11 12 13 14 15
SDTI(i)
Don't Care
1 0
15 14 13
2 1 0
15 14 13 12
12
Don't Care
SDTI-15:MSB, 0:LSB
SDTI(i)
15 14 13
7 6 5 4 3 2 1 0 15 14 13
15
7 6 5 4 3 2 1 0
BICK(64fs)
0 1
18
2 3
19 20
31 0 1 2 3
1
0
18 19 20
31
17
17
Lch Data
Rch Data
Figure 2. Mode 0 Timing
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AK4122_1 | 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR |
| AK4122A | 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR |
| AK4122AVQ | 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR |
| AK4122AVQP-L | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:SRC + DIR |
| AK4122VQ | 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR |
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