1. Product Specification (continued)
1.3.1.3 Audio Jack (option)
This jack shall connect the audio input from host
computer.
1.3.2 Video Input Signals
1.3.2.1 Video Signal Amplitudes
The three video inputs consist of Red ,Green , and Blue
signals, each with its own coaxial cable terminated at the
monitor. These video signals are analog levels, where 0
V corresponds to black , and 700 mV is the maximum
signal amplitude for the respective color, when each
signal is terminated by a nominal 75.0 ohms .For a given
monitor luminance levels are measured using this
defined video amplitud driving a monitor meeting the
termination requirements .The signal amplitude is not to
be readjusted to compensate for variations in termination
impendance.
1.3.2.2 Video Signal Termination Impedance
This analog video signal termination shall be 75
1%
which shall be resistive with a negligible reactive
component
1.3.2.3 Synchronization ( Sync ) Signals
The Horizontal Sync (HS) TTL signal is used to initiate
the display of a horizontal line. HS may be either active
high or active low, depending upon the timing .The
Vertical Sync (VS) TTL signal is used to initiate the
display of a new frame .VS may be either active high or
active low, depending on the timing
1.3.2.4 Sync Signal Levels
The monitor must accept sync signals from both 3.3 and
5 volt TTL logic families.The inputs shall sense a logic 0
when the input is 0.8 volt or less and shall sense a logic
1 when the input is 2.0 volts or greater. In addition to
these level requirements, there shall also be a minimum
of 0.3 volt hysteresis provided for noise immunity
(typically by using a Schmitt Trigger input ).That is , the
input level at which the monitor actually detects a logic 0
shall be at least 0.3 volt lower than the level at which it
actually detects a logic 1.If the monitor sync processing
circuits are designed around the 3.3 volt logic family
,then the sync inputs must be 5 volt tolerant .
TTL input loading shall be equivalent to one TTL input
load. When logic 0 is asserted by a sync input , the
maximum current source from any single monitor sync
input to the driver is 1.6 mA .When logic 1 is asserted ,
the maximum current source from the driver to any
single monitor sync input is 400 uA .
Ω+/-
.
1.3.2.5 Sync Signal Loading
D S U B
P i n
S i g n a l
P i n
S i g n a l
P i n
S i g n a l
1
R e d - V i d e o
6
R e d - G N D
1 1
N C
2
G r e e n - V i d e o
7
G r e e n - G N D
1 2
D D C - S D A
3
B l u e - V i d e o
8
B l u e - G N D
1 3
H - S Y N C
4
N C
9
+ 5 V
1 4
V - S Y N C
5
D D C - G N D
1 0
S y n c - G N D
1 5
D D C - S C L
C o n n e c t o r
P i n
A s s i g n m e n t
D -S U B P in D e s c riptio n
P in
N a m e
D e s c rip tio n
1
R e d - V id e o
R e d vid e o s igna l inp ut.
2
G re e n- V id e o
G re e n vid e o s igna l inp ut.
3
B lue - V id e o
B lue vid e o s igna l inp ut.
4
G N D
G ro und
5
D D C - G N D
D D C gro und fo r the V E S A D D C 2 B i func tio n.
6
R e d - G N D
A na lo g s igna l gro und fo r the R e d vid e o .
7
G re e n- G N D
A na lo g s igna l gro und fo r the G re e n vid e o .
8
B lue - G N D
A na lo g s igna l gro und fo r the B lue vid e o .
9
+ 5 V
+ 5 V inp ut fro m ho s t s ys te m fo r the V E S A D D C 2 B i func tio n.
1 0
S ync - G N D
S igna l gro und
1 1
G N D
G ro und
1 2
D D C _ S D A
S D A s igna l inp ut fo r the V E S A D D C B 2 i func tio n.
1 3
H - S Y N C
H o rizo nta l s igna l inp ut fro m the ho s t s ys te m .
1 4
V - S Y N C
V e rtic a l s igna l inp ut fro m the ho s t s ys te m .
1 5
D D C - S C L
S C L s igna l inp ut fo r the V E S A D D C 2 B i func tio n.
C o n n e c to r P in D e s c r ip tio n
DVI-I / DVI-D (If using DVI-D cable, C1, C2, C3, C4, C5 is NC)
Pin
Signal
Pin
Signal
Pin
Signal
1
RX2-
11
GND
21
NC
2
RX2+
12
NC
22
GND
3
GND
13
NC
23
RXC+
4
NC
14
5V
24
RXC-
5
NC
15
GND
C1
Analog Red (NC)
6
SCL
16
HP
C2
Analog Green (NC)
7
SCA
17
RX0-
C3
Analog Blue (NC)
8
Analog V-Sync (NC)
18
RX0+
C4
Analog H-Sync (NC)
9
RX1-
19
GND
C5
GND
10
RX1+
20
NC
DVI-I / DVI-D Connector PinDescription
Pin
Name
Description
Pin
Name
Description
1
RX2-
TMDS link #0 channel #2 differential pair
16 HP
Hot plugging
2
RX2+
TMDS link #0 channel #2 differential pair
17 RX0-
TMDS link #0 channel #0 differential pair
3
GND
GNDfor no link share
18 RX0+
TMDS link #0 channel #0 differential pair
4
NC
NC
19 GND
GNDfor no link share
5
NC
NC
20 NC
NC
6
SCL
Clock line for DDC interface
21 NC
NC
7
SDA
Data line for DDC interface
22 GND
Clock shield
8
Analog
V-Sync
V-sync for analoginterface
23 RXC+
TMDS clock differential pair
9
RX1-
TMDS link #0 channel #1 differential pair
24 RXC-
TMDS clock differential pair
10 RX1+
TMDS link #0 channel #1 differential pair
C1
Analog
Red
AnalogRed signal
11 GND
GNDfor no link share
C2
Analog
Green
AnalogGreensignal
12 NC
NC
C3
Analog
Blue
AnalogBlue signal
13 NC
NC
C4
Analog
H-Sync
H-sync for analoginterface
14 5V
+5Vinput fromhost systemfor DDC2Bfunction.
C5
Analog
GND
AnalogGND
15 GND
Ground(Usingas Detect Cable)
No. Symbol
Item
Min
Normal
Max
Unit
Remark
1
Fh
Scanning Horizontal Frequency
30
81
kHz
Minimum range
2
Fv
Scanning Vertical Frequency
55
76
Hz
Minimum range
3
Vih
Hi Level Input
2.0
5.0
V
Note 1)
4
Vil
Low Level Input
0
0.8
V
Note 1)
5
Video
RGB Analog Video Level
0.0
0.7
1.0
V
75
Ω
to Ground
Note 1) Schmitt-Triggers Input , Supported 3.3V device H(&V) sync output from PC.
Video Input Signal
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3
ACER P203W
