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3.2.2 Signal interface
Item
Signal Cable
Pin assignment
Analog input
Sync input
Digital input
Note-1: The pin assignment of 15-pin D-sub connector is as below,
1
2
3
4
5
6
7
8
Condition
15-pin D-Sub
24-pin DVI-D
15-pin D-sub connector
24-pin DVI-D connector
19-pin HDMI connector
Signal type
Level
Impedance
Signal type
Level
Impedance
Sync Pulse Width (SPW)
Level
Impedance
Signal Assignment
P
i
n
Red video
Green video
Blue video
Ground
Cable Detected
Red Ground
Green Ground
Blue Ground
- 8 -
Spec
Color: Black
Length: 1800 +/- 30 mm
Color: Black
Length: 1800 +/- 50 mm
See Note-1
See Note-2
See Note-3
Separate analog R/G/B
700 mV (peak to peak)
75 Ohms +/- 1.5 Ohms
Separate H/V-sync
(Positive/Negative)
Logic High: 2.4V ~ 5.5V
Logic Low: 0V ~ 0.5V
(TTL level)
Minimum 2.2KΩ(pull
down)
0.7μs < H-SPW
1H < V-SPW
600mV for each differential
line
50 Ohm TDR Scan needed
for DVI cable and interface
board
Pin
Signal Assignment
9
PC5V (+5 volt power)
10
Sync Ground
11
Ground
12
SDA
13
H-Sync (or H+V)
14
V-sync
15
SCL
OK N.A Remark
For 15-pin D-sub
For 24-pin DVI-D
For 19-pin HDMI
For 15-pin D-sub
For 15-pin D-sub
Refer to VESA VSIS
Standard V1R1
10KΩ for application
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