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STV6688 数据表(PDF) 2 Page - STMicroelectronics

部件名 STV6688
功能描述  Video Switch Matrix for TV Applications with S Terminal
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV6688 数据表(HTML) 2 Page - STMicroelectronics

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Functional Description
STV6688
2/12
1
Functional Description
Table 1: Pin List
Pin
Symbol
Description
Pin
Symbol
Description
1
Y/CVBS_IN1
Y or CVBS Signal of Ext. Input 1
11
SCL
Serial Clock Line Input
2
C_IN1
C Signal of Ext. Input 1
12
GND
Digital Parts Ground
3
VCC_V
Video Switch Power Supply
13
C_OUT
C Signal Output
4
Y/CVBS_IN2
Y or CVBS Signal of Ext. Input 2
14
Y/CVBS_OUT
Y/CVBS Output
5
C_IN2
C Signal of Ext. Input 2
15
GND_B
Buffer Ground
6
GND_V
Video Switch Ground
16
CVBS_OUT
Y and C Adder Output
7
Y/CVBS_IN3
Y or CVBS Signal of Ext. Input 3
17
VCC B
Buffer Power Supply
8
C_IN3
C Signal of Ext. Input 3
18
C_IN_TV
C Signal of TV Input
9
VDD
Digital Parts Power Supply
19
Y/CVBS_IN_TV
Y or CVBS Signal of TV Input
10
SDA
Serial Data Line Input
20
DEC
Decoupling
Figure 1: STV6688 Block Diagram
+
6dB
Buffer
I²C Bus Decoder
Y/CVBS_IN1
Y/CVBS_IN2
Y/CVBS_IN3
C_IN TV
C_IN1
C_IN2
C_IN3
VDD
GND
SDA
SCL
GND B
GND V
DEC
VCC V
VCC B
C_OUT
CVBS_OUT
Power
Video
Power
Buffer
Supply
Supply
0dB
Y/CVBS_IN TV
Y/CVBS_OUT
Mute
VREF
19
1
4
7
9
12
10
11
6
15
20
3
17
13
16
14
0dB
Clamp
Clamp
Clamp
Clamp
18
2
5
8



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