Texas Instruments DS90C189-Q1EVM Manual de usuario

SNLU236–May 2018

DS90C189-Q1EVM User Guide

User's Guide

SNLU236–May 2018

DS90C189-Q1EVM User Guide

The DS90C189-Q1EVM (Evaluation Module) helps designers evaluate the performance of the DS90C189-

Q1 Low Power 1.8V RGB-to-Open LDI (LVDS) Bridge. The device operates from a single 1.8V supply and

can drive up to SXGA+ 1400x1050 at 60Hz (Single In / Single Out) or WUXGA+ 1920x1440 at 60 Hz

(Single In / Dual Out). The DS90C189-Q1 converts up to 24 bits (single pixel 24 bit color) of 1.8V

LVCMOS data into one or two channels of 4 data + clock (4D+C) reduced width interface LVDS

compatible data streams.

Contents

1 Features....................................................................................................................... 2

2 Applications................................................................................................................... 2

3 Major Components .......................................................................................................... 3

4 EVM Setup.................................................................................................................... 3

5 Board Layout ................................................................................................................. 5

6 Schematic and Bill of Materials........................................................................................... 15

List of Figures

1 Applications Diagram........................................................................................................ 2

2 Demo Board Connections .................................................................................................. 4

List of Tables

1 Board Switch Settings....................................................................................................... 3

2 Bill of Materials ............................................................................................................. 17

Trademarks

All trademarks are the property of their respective owners.

DS90C189-

Q1 SER

1.8 V

PLL

Single Pixel

R[7:0] G[7:0]

B[7:0]

GPO/CNTL (L/R)

PCLK

PDB

FPD-Link III

Interface

Display (TCON)

GPU ±Jacinto 6

1.8 V LVCMOS

(24 bit RGB + HS/VS/DE) 2 Channels OLDI (LVDS)

(4 Data + Clock)

DS90UB947

-Q1 SER

2 Lanes FPD-Link III

DOUT0+

DOUT0-

DOUT1+

DOUT1-

RIN0+

RIN0-

RIN1+

RIN1-

Features

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1 Features

• Qualified for Automotive Applications

• AEC-Q100 Qualified for Automotive Applications with the following results:

– Device Temperature Grade 2: -40°C to +105°C Ambient Operating Temperature

– Device HBM ESD Classification Level ±8kV

– Device CDM ESD Classification Level ±750V

• 150 mW typical power consumption at 185 MHz (SIDO mode)

• Drives QXGA and WQXGA class displays

• Two operating modes:

– Single Pixel In, Single Pixel Out (SISO), 105MHz max

– Single Pixel In, Dual Pixel Out (SIDO), 185MHz

• Supports 24 bit RGB

• Supports 3D+C, 4D+C, 6D+C, 6D+2C, 8D+C, and 8D+2C LVDS configurations

• Compatible with FPD-Link, and FlatLink Devices

• 1.8V VDDIO and Core Supply

• Interfaces directly with 1.8V LVCMOS

• Less than 1mW power consumption in Sleep Mode

• Spread Spectrum Clock compatible

• Small 9mm x 9mm x 0.9 mm 64-pin VQFN package

2 Applications

Figure 1. Applications Diagram

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Major Components

SNLU236–May 2018

DS90C189-Q1EVM User Guide

3 Major Components

• U1 – DS90C189-Q1

• J1,J2 – Input

• J3, J6 – Output

• J4, J5 – Power

• S1 – Setup Switch

4 EVM Setup

4.1 Contents of the Demo Evaluation Kit

One EVM board with the DS90C189-Q1.

4.2 Quick Start Guide

1. Configure switch S1 to set device’s operating modes

• S1.1: MODE0 = OFF

• S1.2: RFB = OFF

• S1.3: VODSEL = OFF

• S1.4: PDB = OFF

2. Connect J4 to 1.8V power supply, and connect J5 to GND

3. Connect RGB input to J2

4. Connect to J3 and J6 for output of DS90C189-Q1

4.3 Default Switch Settings

Ensure that the board has the default board switch settings:

Table 1. Board Switch Settings

SWITCH S1 SWITCH SETTINGS FUNCTION

MODE0 OFF (default) SIDO - Single Pixel In / Dual

Pixel Out

ON SISO - Single Pixel In / Single

Pixel Out

RFB OFF (default) Rising edge clock select

ON Falling edge clock select

VODSEL OFF (default) Normal VOD level select

ON Low VOD level select

PDB OFF (default) Device active

ON Power down mode

DS90C189

-Q1

MODE0

RFB

VODSEL

PDB

APPLY RGB INPUT HERE

Output B Output A

EVM Setup

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4.4 Demo Board Connections

Figure 2. Demo Board Connections

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Board Layout

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5 Board Layout

Board Layout

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Board Layout

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Board Layout

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Board Layout

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Board Layout

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Tabla de contenidos

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