參數(shù)資料
型號: STV6688
廠商: 意法半導(dǎo)體
英文描述: Video Switch Matrix for TV Applications with S Terminal
中文描述: 視頻切換矩陣與S端子電視應(yīng)用
文件頁數(shù): 2/12頁
文件大?。?/td> 146K
代理商: STV6688
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
V
DD
GND
SDA
SCL
GND B
GND V
DEC
V
CC
V
V
CC
B
C_OUT
CVBS_OUT
Power
Supply
Video
Power
Supply
Buffer
0dB
Y/CVBS_IN TV
Y/CVBS_OUT
Mute
V
REF
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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