DS16EV51-AEVKC HDMI-RJ45 Extender Demo

DS16EV51-AEVKC HDMI-RJ45 Extender Demo
DS16EV51-AEVKC
HDMI-RJ45 Extender Demo Kit for CAT5 Cables
General Description
The DS16EV51-AEVKC CAT5 Cable Extender Demo Kit provides a complete HDMI system extension solution with cost
effective CAT5 cables, using National’s DS16EV5110A - a Video Equalizer.
The kit consists of a driver adapter board and a receiver equalizer board. The driver board has one HDMI female receptacle
connector and two RJ45 jacks. It is a passive board without power supply. It serves as an adapter between HDMI and CAT5
interfaces. The receiver equalizer board has two RJ45 jacks and one HDMI female receptacle connector with other
components, including a DS16EV5110A device.
All the TMDS signals are connected through first RJ45 jack between two boards. The DDC signals, Hot Plug, 5V Power and
5V Ground are directly connected between the HDMI connectors to the second RJ45 jack on both boards, making this demo
kit HDCP compliant.
A 3.3V VCC 1-pin header (J4) and a GND 1-pin header (J5) are used for the power supply for the receiver equalizer board.
Alternately, an AC/DC power adapter (>300mA) can be used for the receiver equalizer board to provide 5V DC voltage for
easy portability. A 1.8mm DC Power Jack is used to connect the AC/DC Power Adapter. National’s LP3964, a 3.3V, 800mA,
Fast, Ultra Low Dropout Linear Regulator, converts the 5V power supply voltage to a 3.3V power supply voltage that powers
the DS16EV5110A and other active components on the receiver board.
Features
•
•
•
•
•
•
•
•
•
•
Compatible with DTV Resolutions 480i, 480p, 720i, 720p, 1080i, 1080p, and 1080p with 12 bit deep color
depth.
Compatible with Computer Resolutions of VGA, SVGA, XGA, SXGA, UXGA
Supports TMDS HDMI or DVI Single Link
Adjustable rotary switch for easy custom EQ boost level setting to reach maximum length of TMDS Interface
with Twisted Pair , HDMI, or DVI Cables
Single 3.3V Supply
Ultra Portable with AC/DC Power Adapter (not included in the kit)
500 mW Typical Power Consumption
>6kV ESD Rating
-40 to 85C Industrial Temperature Range
The DS16EV51-AEVKC demo kit extends TMDS with the UTP (Unshielded Twist Pairs) CAT5 or CAT6 cable as
follows:
SDTV (480p)
HDTV (720p)
HDTV (1080i)
HDTV (1080p)
HDTV (1080p)
12 bit Deep Color Depth
Resolution
704 x 480
1280 x 720
1920 x1080
1920 x1080
Pixel bandwidth (MPixel/s)
60Hz LCD with 20% blanking
25
66.4
75
150
Per channel bandwidth (Gb/s)
60Hz LCD with 20% blanking
0.25
0.664
0.75
1.5
UTP CAT5/6
Length
> 80 m
> 55 m
> 50 m
> 25 m
1920 x1080
225
2.25
> 20 m
Applications
High Definition Displays and Televisions
High Definition Front- Projectors
LCD Computer Monitors
Cable Extender
DS16EV51-AEVKC User Guide Rev A
October 2008
© National Semiconductor Corporation
1
Ordering Information
PART: DS16EV5110ASQ
Demo Board for CAT5 Cables: DS16EV51-AEVKC
Typical Applications
DS16EV51-AEVKC
High Definition Display
HDMI Video Source
Greater than 25m UTP CAT5
Cable, at 1080p
Bill of Materials
Passive Driver Board
DESIGNATION
JR1, JR2
J1
QTY
2
1
RJ45 Jack
HDMI Receptacle Female
Equalizer Receiver Board
DESIGNATION
C2, C4, C8, C10
C1, C3, C7, C9, C11
C5
C6
D1
D2
JR1, JR2
R1, R2
R7
J2
J3
J4, J5
J7, J8, J10, J11
J9
U1
U2
U3
QTY
4
5
1
1
1
1
2
2
1
1
1
2
4
1
1
1
1
DESCRIPTION
0.01uF +10% Ceramic Capacitor 0402
0.1uF +10% Ceramic Capacitor 0402
33uF +10% Tantalum Capacitor 3528
68uF +10% Tantalum Capacitor 3528
LED Green
LED Red
RJ45 Jack
453 ohm +5% Resistor 0402
10K ohm +5% Resistor 0402
HDMI Receptacle Female
DC Power Jack 1.8 mm
1 pin header (J4: VDD=3.3V, J5:GND)
1X2 pin header
1X4 pin header
National DS16EV5110A
National LP3965 – 3.3V -1500mA
94HBB08RAT Rotary Dip Switch
DS16EV51-AEVKC User Guide Rev A
October 2008
© National Semiconductor Corporation
DESCRIPTION
2
Quick Start Guide:
1.
2.
3.
Attach HDMI cable from the source to the drive board.
Attach HDMI cable from the sink to the receiver board.
Connect 3.3V DC power to J4 and ground to J5 from the power supply on the receiver board.
Or, plug the AC/DC power adapter to the DC power Jack
AC/DC power adapter requirement: Output DC 4V~6V, Output current > 800mA
4.
5.
Attach two CAT5 cables between the driver board and the receiver board with JR1 to JR1, and JR2 to JR2.
Turn on the source (DVD/Computer) and the sink (Monitor/HDTV).
Adjustment and Control Description on Receiver Board
Component
Name
Function
D1
PWR
The LED turns on when 5V DC applies
D2
SD
The LED turns on when the DS16EV5110A does not detect input signal
J3
5V DC
Optional DC Power Jack for 1.5 mm Adaptor Plug
J4
3.3V
3.3V VCC power supply
J5
GND
GND
J7
FEB
Optional SMBus Control. See Datasheet.
J8
CS
Optional SMBus Control. See Datasheet
J10, J11
SDA, SDC
Optional SMBus access. See Datasheet
Connect “LED” and “SD” to enable D2 function.
Loop Back
Connect “SD” and “EN” to enable look back control function. When the clock
J9
signal is not detected, the DS16EV5110A sets to power down mode.
Control
Turn the switch to control the EQ boost setting. “0” on the switch refers to the
boost setting of “0X00”, “7” on the switch refers to the boost setting of “0X07”.
U3
Rotary Switch
See datasheet for detail Boost setting information.
Board Design Consideration
•
•
•
Using One RJ45 Jack for all TMDS signals in order to minimize the inter pair skew.
Using another RJ45 Jack for all rest of control pins, plus at least one ground connection between two boards to set
the common ground.
Use pin 3 and pin 6 on the RJ45 Jack for the TMDS clock path.
DS16EV51-AEVKC User Guide Rev A
October 2008
© National Semiconductor Corporation
3
Schematics (Driver Adapter Board)
DS16EV51-AEVKC User Guide Rev A
October 2008
© National Semiconductor Corporation
4
Schematics (Receiver Equalizer Board)
DS16EV51-AEVKC User Guide Rev A
October 2008
© National Semiconductor Corporation
5
Layout Considerations
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•
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Keep the clock and data transmission lines as short as possible with controlled 50 ohm single-ended impedance with
matched lengths for any TMDS signals connected to RJ45 Jack.
Use differentially coupled traces with 100 ohm impedance for DS16EV5110A TMDS outputs.
Avoid using vias on the data transmission lines on the input side of the DS16EV5110A.
Place power supply decoupling capacitors close to the VCC pins.
Layout (Driver Adapter Board)
Top View
DS16EV51-AEVKC User Guide Rev A
October 2008
© National Semiconductor Corporation
Bottom View
6
Layout (Receiver Equalizer Board)
Top View
DS16EV51-AEVKC User Guide Rev A
October 2008
© National Semiconductor Corporation
Bottom View
7
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