參數(shù)資料
型號(hào): AK4588
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi): Codec
英文描述: 2/8 CHANNEL AUDIO CODEC WITH DIR
中文描述: 2 / 8聲道音頻編解碼器迪爾
文件頁(yè)數(shù): 72/76頁(yè)
文件大小: 787K
代理商: AK4588
ASAHI KASEI
[AK4588]
MS0287-E-01
2004/03
- 72 -
SYSTEM DESIGN
Figure 50 shows the system connection diagram. An evaluation board is available which demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
Condition: I
2
C serial control mode
T
INT1
1
AK4588
+
10u
Audio DSP
(MPEG/AC3)
2
3
4
5
6
7
8
9
10
11
60
59
58
57
56
55
54
53
52
51
50
BOUT
TVDD
DVDD
DVSS
TEST3
MCKO1
VOUT
BICK2
LRCK2
TEST1
NC
AVSS
AVDD
VREFH
VCOM
RIN
LIN
LOUT1
ROUT2
NC
8
7
7
7
7
7
7
7
7
7
7
T
M
V
D
I
R
C
R
P
R
2
2
2
2
2
2
2
2
2
3
3
S
D
S
S
S
X
X
P
D
D
3
L
0.1u
1
S/PDIF sources
S/PDIF out
Analog 5V
Analog Ground
Digital Ground
Digital 5V
Micro
Controller
5
(
+
2.2u
0.1u
+
0.1u 10u
+
X’tal
0.1u
10u
C
C
12
13
14
15
16
6
6
6
6
6
3
3
3
3
49
48
47
46
45
SDTO2
UOUT
MCKO2
COUT
XTO
XTI
S
C
S
M
N
NC
NC
ROUT1
RX0
RX1
T
C
R
R
I
MUTE
(Shield)
SDTO1
LRCK1
CDTO
17
18
19
20
BICK1
N
L
3
N
3
3
4
R
LOUT2
ROUT3
NC
44
43
42
41
NC
R
N
R
6
6
6
6
P
+
3.3V to 5V
Digital
A
(
(
C
Audio DSP
(MPEG/AC3)
Micro Controller
M
M
M
(
(
(
MUTE
MUTE
MUTE
MUTE
(Shield)
(Shield)
(Shield)
(Shield)
(Shield)
(
S
(S/PDIF
sources)
Micro
Controller
Figure 50. Typical Connection Diagram
Notes:
- “C” depends on the crystal.
- AVSS, DVSS and PVSS must be connected the same analog ground plane.
- Digital signals, especially clocks, should be kept away from the R pin in order to avoid an effect to the clock jitter
performance.
- In case of coaxial input, ground of RCA connector and terminator should be connected to PVSS of the AK4588
with low impedance on PC board.
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