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參數(shù)資料
| 型號(hào)： | AK4705 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 2ch 24bit DAC with AV SCART Switch |
| 中文描述： | 2通道24位DAC，具有影音SCART開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 7/50頁(yè) |
| 文件大?。?/td> | 660K |
| 代理商： | AK4705 |
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[AK4705]
MS0451-E-01
2007/06
- 7 -
PIN/FUNCTION
No.
1
2
3
4
Pin Name
VCRC
VVSS
TVVOUT
VVD2
I/O
O
-
O
-
Function
Chrominance Output Pin for VCR
Video Ground Pin. 0V.
Composite/Luminance Output Pin for TV
Video Power Supply Pin #2, 5V
Normally connected to VVSS with a 0.1
μ
F ceramic capacitor in parallel with
a 10
μ
F electrolytic cap.
Red/Chrominance/Pr Output Pin for TV
Green/Y Output Pin for TV
Blue/Pb Output Pin for TV
Video Power Supply Pin #1, 5V
Normally connected to VVSS with a 0.1
μ
F ceramic capacitor in parallel with
a 10
μ
F electrolytic cap.
Video Current Reference Setup Pin
Normally connected to VVD1 through a 10k
±1% resistor externally.
Blue/Pb Input Pin for Encoder
Green/Y Input Pin for Encoder
Red/Chrominance/Pr Input Pin for Encoder
Chrominance Input Pin for Encoder
Composite/Luminance Input1 Pin for Encoder
Composite/Luminance Input2 Pin for Encoder
Composite/Luminance Input Pin for TV
Composite/Luminance Input Pin for VCR
Fast Blanking Input Pin for VCR
Red/Chrominance/Pr Input Pin for VCR
Green Input Pin for VCR
Blue/Pb Input Pin for VCR
Interrupt Pin for Video Blanking.
Normally connected to VD(5V) through 10k
Ω
resistor externally.
Slow Blanking Input/Output Pin for VCR
Slow Blanking Output Pin for TV
Rch VCR Audio Input Pin
Lch VCR Audio Input Pin
Rch TV Audio Input Pin
Lch TV Audio Input Pin
Rch VCR Audio Output Pin
Lch VCR Audio Output Pin
Rch TV Audio Output Pin
Lch TV Audio Output Pin
MONO Analog Output Pin
Power Supply Pin, 12V
Normally connected to VSS with a 0.1
μ
F ceramic capacitor in parallel with a
10
μ
F electrolytic cap.
DAC Common Voltage Pin
Normally connected to VSS with a 0.1
μ
F ceramic capacitor in parallel with a
10
μ
F electrolytic cap.
Audio Common Voltage Pin
Normally connected to VSS with a 0.1
μ
F ceramic capacitor in parallel with a
10
μ
F electrolytic cap. The caps affect the settling time of audio bias level.
5
6
7
8
TVRC
TVG
TVB
VVD1
O
O
O
-
9
REFI
O
10
11
12
13
14
15
16
17
18
19
20
21
22
ENCB
ENCG
ENCRC
ENCC
ENCV
ENCY
TVVIN
VCRVIN
VCRFB
VCRRC
VCRG
VCRB
INT
I
I
I
I
I
I
I
I
I
I
I
I
O
23
24
25
26
27
28
29
30
31
32
33
34
VCRSB
TVSB
VCRINR
VCRINL
TVINR
TVINL
VCROUTR
VCROUTL
TVOUTR
TVOUTL
MONOOUT
VP
I/O
O
I
I
I
I
O
O
O
O
O
-
35
DVCOM
O
36
PVCOM
O
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