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DVR-505/7000
3. Port Description of IC
Video Driver : MM1540AF (U1)
Port No.
Port Name
1,2
VCC1,2
2,6,9
VIN,VIN (1,2)
3
YC MIX
4
CIN
5
CLP
7,8
MUTE (1,2)
10
GND
11,13
CbIN, CrIN
12
Dual/Single
14,15,19,
VEE1, VEE2
21,22,24
CrOUT, CbOUT,
16,18,20,
YOUT2,YOUT1,
23,25,27
COUT,VOUT
23,25,27 YOUT1, COUT,VOUT
17,26
PS2,PS1
8
CIRCUIT DESCRIPTION
I/O
-
VCC
I
Video input (Composite or Y)
-
YC MIX select (Unused)
I
Croma input (Open)
-
Clamp select (Connected to GND)
O
Mute select (Unused)
-
GND
I
Component input
-
Power select (+5V)
-
VEE (-5V)
O
Video output
O
Video output (Open)
-
Power save (Connected to GND)
Function
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