Dfi ADD7308-S DATASHEET
ADD7308-S
PCI Express Digital Display Card
Specifications
Features
• Single/Dual LVDS transmitter up to
165Mpixels/s
• LVDS low jitter PLL accepts spread
spectrum input
• LVDS 18-bit and 24-bit outputs
• 2D dither engine
• Panel protection and power sequencing
• High-speed SDVO1 serial (1G~2Gbps)
AC-coupled differential RGB inputs
• Low voltage interface supports
graphics device
• Programmable power management
• Fully programmable through serial port
• Configuration through OpCodes1
• Supports complete Windows driver
• Supports boundary scan
Board Layout
Chip
• Chrontel CH7308B
Temperature
o
• 0
C to 60oC
Humidity
• 10% to 90%
Dimensions
• 14.5cm x 6cm (5.7”x2.36”)
5
6
1
2
Panel power
select (JP3)
40
39
1
LCD/Inverter
Panel Power Select
3.3V (default)
8
power
12V
5V
2
LVDS LCD
1
JP3
1-2 On
3-4 On
5-6 On
Chrontel
CH7308B
Before powering-on the system,
make sure settings on JP3 match
the LCD panel’s specifications.
Selecting the incorrect voltage
will seriously damage the LCD
panel.
1/2
LVDS LCD Panel Connector
Pins
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
Function
GND
LVDS_Out3+
LVDS_Out3-
GND
LVDS_Out2+
LVDS_Out2-
GND
LVDS_Out1+
LVDS_Out1-
GND
LVDS_Out0+
LVDS_Out0-
GND
LVDS_CLK1+
LVDS_CLK1-
Pins
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
Function
GND
LVDS_Out7+
LVDS_Out7-
GND
LVDS_Out6+
LVDS_Out6-
GND
LVDS_Out5+
LVDS_Out5-
GND
LVDS_Out4+
LVDS_Out4-
GND
LVDS_CLK2+
LVDS_CLK2-
31
33
35
37
39
DDC_CLK
DDC_DATA
Panel Power
Panel Power
LCD/Inverter Power Connector
Pins
1
2
3
Panel Inverter Brightness Voltage Control
4
Function
GND
GND
Panel Power
GND
32
34
36
38
40
Pins
5
6
7
8
GND
N.C.
N.C.
Panel Power
Panel Power
Function
+3.3V
Panel Backlight On/Off Control
+12V
+12V
2/2
934-AD7308-000G
A11201931
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