Texas Instruments DS16EV51-AEVKD Manual de usuario

DS16EV51-AEVKD User Guide Rev A

December 2008

DS16EV51-AEVKD

DVI Extender Demo Kit for Dual or Single Link DVI Cables

General Description

The DS16EV51-AEVKD Dual/Single link DVI Cable Extender Demo Kit provides a complete DVI system extension solution

using two National’s DS16EV5110A’s - Video Equalizers.

Two Molex DVI connectors are used as the input and the output connections for a dual or single link DVI system. This version

of the kit demonstrates both a single link and a dual link DVI system.

The Analog Pins of a typical DVI link (R, G, B, Hsync, and Vsync) are not connected. The DDC signals, Hot Plug, 5V Power

and 5V Ground are directly connected between the DVI connectors, 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.

Alternately, an AC/DC power adapter (>800mA) is required for the evaluation kit to provide 5V DC voltage for easy portability.

A 1.8 mm DC Power Jack is used to connect the AC/DC Power Adapter. National’s LP3965, a 3.3V, 1500mA, Fast, Ultra Low

Dropout Linear Regulator, converts the 5V power supply voltage to a 3.3V power supply voltage that powers the

DS16EV5110A’s.

Features

•Compatible with DTV Resolutions 480i, 480p, 720i, 720p, 1080i, 1080p (8 bit, 10 bit, 12 bit color depth)

•Compatible with the Single Link Computer Resolutions of VGA, SVGA, XGA, SXGA, UXGA

•Compatible with the Dual Link Computer Resolutions of QXGA, WQXGA

•Supports TMDS DVI or HDMI Dual/Single Link

•Adjustable rotary switch for easy custom EQ boost level setting to reach maximum length of TMDS Interface

with 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 of each DS16EV5110A device

•>6kV ESD Rating

•-40 to 85C Industrial Temperature Range

•The DS16EV5110A demo kit extends TMDS with the 28 AWG STP DVI cable as follows:

Format

Link Resolution

Pixel bandwidth (MPixel/s)

60Hz LCD with 20% blanking

Per channel bandwidth (Gb/s)

60Hz LCD with 20% blanking

DVI Cable

Length

VGA Single 640 x 480 22.1 0.221 > 45m

SVGA Single 800 x 600 34.6 0.346 > 40m

XGA Single 1024 x 768 56.5 0.565 > 35m

SXGA Single 1280 x 1024 94.4 0.944 > 30m

UXGA Single 1600 x 1200 138.0 1.380 > 25m

HDTV Single 1920 x 1080 149.3 1.493 > 25m

QXGA Dual 2048 x 1536 113.2 1.132 > 30m

WQXGA Dual 2560 x 1600 147.5 1.475 > 25m

Applications

High Definition Displays and Televisions

High Definition Front- Projectors

LCD Computer Monitors

DVI-D/HDMI Cable Extender

DS16EV51-AEVKD User Guide Rev A

December 2008

Ordering Information

PART: DS16EV5110ASQ

DVI Demo Board for DVI Dual/Single Link Cables: DS16EV51-AEVKD

HDMI Demo Board for HDMI Cables: DS16EV51-AEVKH

CAT5 Demo Board for CAT5 Cables: DS16EV51-AEVKC

Typical Applications

Bill of Materials

DESIGNATION QTY DESCRIPTION

C2, C4, C6, C8, C10, C12, C15, C17 8 0.01uF +10% Ceramic Capacitor 0402

C1, C3, C5, C7, C9, C11, C13, C14, C16 9 0.1uF +10% Ceramic Capacitor 0402

C59 1 33uF +10% Tantalum Capacitor 3528

C60 1 68uF +10% Tantalum Capacitor 3528

D4 1 LED Green

D5 1 LED Red

R19, R23 2 453 ohm +5% Resistor 0402

R20 1 1K ohm +5% Resistor 0402

R24 1 10K ohm +5% Resistor 0402

R21, R22 2 50 ohm +5% Resistor 0402

J45, J46 2 DVI-I Receptacle Female

J47 1 DC Power Jack 1.8 mm

J4, J5 2 1 pin header (J4: VDD=3.3V, J5:GND)

J7, J8, J9, J10, J11, J12 5 1X2 pin header

J15 1 1X3 pin header

U13, U14 2 National DS16EV5110A

U15 1 National LP3965 – 3.3V -1500mA

U3 1 94HBB08RAT Rotary Dip Switch

Greater than 25 m DVI /HDMI

Cable, 28 AWG STP, 1.65 Gbps

DVI Video Source DS16EV51-AEVKD High Definition Display

DS16EV51-AEVKD User Guide Rev A

December 2008

Quick Start Guide:

1. Connect 3.3V DC power to J4 and ground to J5 from the power supply.

Or, plug the AC/DC power adapter to the DC power Jack

AC/DC power adapter requirement: Output DC 4V~6V, Output current > 800mA

2. Attach two DVI cables to the DVI Input and Output Connectors

3. Turn on the DVD/Computer and the Monitor/HDTV.

Adjustment and Control Description

Component Name Function

D4 PWR The LED turns on when 5V DC applied

D5 SD The LED turns on when the DS16EV5110 does not detect clock signal

J47 5V DC Optional DC Power Jack for 1.8 mm Adaptor Plug

J4 3.3V 3.3V VCC power supply

J5 GND GND

J10 FEB and GND Optional SMBus control of U14 (See Datasheet)

J9 CS and VDD Optional SMBus control of U14 (See Datasheet)

J7 FEB and GND Optional SMBus control of U13 (See Datasheet)

J8 CS and VDD Optional SMBus control of U13 (See Datasheet)

J11, J12 SDA, SDC and GND Optional SMBus access (See Datasheet)

J15 Loop Back Control

Connect “LED” and “SD” to enable D5 function.

Connect “SD” and “EN” to enable look back control function. When the clock

signal is not detected, the DS16EV5110A enters power down mode.

U3 Rotary Switch

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”.

See datasheet for detail Boost setting information.

Connection in Dual Link Application

DS16EV5110A

CLK

CLK CLK

EN CS

DS16EV51-AEVKD User Guide Rev A

December 2008

Schematics

DS16EV51-AEVKD User Guide Rev A

December 2008

Layout Considerations

•Keep the clock and data transmission lines as short as possible with controlled 50 ohm single-ended impedance. Or,

use differentially coupled traces with 100 ohm impedance.

•Avoid using vias on the clock and data transmission lines on the input side of the DS16EV5110A.

•Place power supply decoupling capacitors close to the VCC pins.

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