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參數(shù)資料
| 型號(hào)： | LC74982W |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 160K |
| 代理商： | LC74982W |
No. 6450-4/10
LC74980W
Pin Functions
Pin No.
Pin
I/O type
Connection
Notes
I/O
Type
1
DVSS
P
GND
Digital system ground
2
OSDRIN
I
g74980m03
Caption OSD microcontroller
OSD red input
3
OSDGIN
I
g74980m03
Caption OSD microcontroller
OSD green input
4
OSDBIN
I
g74980m03
Caption OSD microcontroller
OSD blue input
5
OSDEN
I
g74980m03
Caption OSD microcontroller
OSD data enable
6
YIN7
I
g74980m03
Digital decoder
MSB
7
YIN6
I
g74980m03
or
TV Y signal input
8
YIN5
I
g74980m03
ADC
or
9
YIN4
I
g74980m03
DTV Y signal input
10
YIN3
I
g74980m03
11
YIN2
I
g74980m03
12
YIN1
I
g74980m03
13
YIN0
I
g74980m03
LSB
14
DVDD
P
Power supply
Digital system power supply: 3.3 V
15
DVSS
P
GND
Digital system ground
16
UIN7
I
g74980m03
Digital decoder
MSB
17
UIN6
I
g74980m03
or
TV UV multiplexed signal input
18
UIN5
I
g74980m03
ADC
or
19
UIN4
I
g74980m03
DTV Cb signal input
20
UIN3
I
g74980m03
21
UIN2
I
g74980m03
22
UIN1
I
g74980m03
23
UIN0
I
g74980m03
LSB
24
DVDD
P
Power supply
Digital system power supply: 3.3 V
25
DVSS
P
GND
Digital system ground
26
VIN7
I
g74980m03
Digital decoder
MSB
27
VIN6
I
g74980m03
or
DTV Cr signal input
28
VIN5
I
g74980m03
ADC
29
VIN4
I
g74980m03
30
VIN3
I
g74980m03
31
VIN2
I
g74980m03
32
VIN1
I
g74980m03
33
VIN0
I
g74980m03
LSB
34
DVDD
P
Power supply
Digital system power supply: 3.3 V
35
DVSS
P
GND
Digital system ground
36
CLKITV
I
g74980m05
Digital decoder
TV clock input (data rate)
37
DVDD
P
Power supply
Digital system power supply: 3.3 V
38
DVSS
P
GND
Digital system ground
39
CLKIDTV
I
g74980m05
PLL
DTV clock input
40
DVDD
P
Power supply
Digital system power supply: 3.3 V
41
DVSS
P
GND
Digital system ground
42
DVSS
P
GND
Digital system ground
43
DVDD
P
Power supply
Digital system power supply: 3.3 V
44
SCANMOD
I
g74980m03
Open
Scan test mode
45
SCANEN
I
g74980m03
Open
Scan test enable
46
AVSS
P
Power supply
Analog system ground
47
PDO
O
zwp3vp113
Loop filter
Charge pump output (Leave open when unused.)
48
AVDD
P
Power supply
Analog system power supply: 3.3 V
49
AVSS
P
Power supply
Analog system ground
50
VCOCNT
I
g74100m06
Loop filter
VCO control input (Connect to AVSS when unused.)
51
VCORNG
I
g74100m06
Resistor
VCO bias resistor input (Connect to AVSS when unused.)
52
AVDD
P
Power supply
Analog system power supply: 3.3 V
Continued on next page.
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