EMagin EMA-200015 Manuel utilisateur

D01-501106-01 Rev B DSVGA Design Reference Board Manual

DSVGA DESIGN REFERENCE BOARD

EMA-200015

For Use with all eMagin DSVGA OLED Microdisplays

USER’S MANUAL

REV B

D01-501106-01 Rev B DSVGA Design Reference Board Manual 
ii 
 
 
 
 
 TABLE OF CONTENTS 
 
1. INTRODUCTION..................................................................................................................................1 
2. FEATURES ..........................................................................................................................................1 
 Software Features.........................................................................................................................1 
3. SYSTEM REQUIREMENTS & SPECIFICATIONS..............................................................................1 
 System Requirements...................................................................................................................1 
 DSVGA Design Reference Board.................................................................................................2 
4. INTERFACE CONNECTIONS & SETUP.............................................................................................3 
 Setup Flow Chart ..........................................................................................................................3 
 Connect Display to the Design Reference Board .........................................................................3 
 Setup PC for Proper Video Output................................................................................................4 
 Power Up.......................................................................................................................................4 
 Power Down..................................................................................................................................4 
 Brightness .....................................................................................................................................5 
5. USING THE DSVGA DESIGN REFERENCE BOARD SOFTWARE..................................................6 
 DSVGA Design Reference Board Software Utility........................................................................6 
5.1.1. Hardware Protocol...............................................................................................................................8 
 Downloading New Firmware Versions to the Design Reference Board .......................................9 
5.2.1. Using the Firmware Download Utility...................................................................................................9 
6. ADVANCED USER INFORMATION..................................................................................................11 
 Microcontroller.............................................................................................................................11 
 I2C bus.........................................................................................................................................11 
 Voltages ......................................................................................................................................11 
 Bias Control.................................................................................................................................11 
 VCOM Mode................................................................................................................................12 
 Gamma........................................................................................................................................12 
6.6.1. Gamma Coefficients GC(0-8).............................................................................................................12 
6.6.2. Using “Update LUT” Button for Auto-Gamma Correction...................................................................13 
6.6.3. Loading the LUT from a file................................................................................................................13 
6.6.4. The “Read LUT” Button......................................................................................................................13 
6.6.5. System Gamma.................................................................................................................................14 
7. TROUBLESHOOTING.......................................................................................................................17 
8. REVISION HISTORY .........................................................................................................................20 
 
 

D01-501106-01 Rev B DSVGA Design Reference Board Manual

iii

List of Figures

Figure 3-1 DSVGA Design Reference Board ................................................................................ 2

Figure 4-1 DRK Setup Flow Chart................................................................................................ 3

Figure 5-1 Firmware download utility........................................................................................... 9

D01-501106-01 Rev B DSVGA Design Reference Board Manual

1. INTRODUCTION

The DSVGA Design Reference Kit (EMA-200015) provides the user with a

compact and portable means of operating and testing an eMagin DSVGA OLED

Microdisplay. This product was designed to deliver a complete tool for developers

to evaluate and integrate eMagin DSVGA microdisplays into new products. The

included software package provides access to the microdisplay’s on-board register

settings from any Windows-based PC through a USB port and supports all

different types of DSVGA OLED Microdisplays:

DSVGA Monochrome White OLED-XL with glass cover

DSVGA Color OLED-XL with glass cover

DSVGA Monochrome Green OLED-XLT with glass cover

2. FEATURES

HDMI Video Input

USB interface allows access to microdisplay registers

Supporting Software (Windows)

ON/OFF power switch

Software Features

Read/write capabilities allow adjustments of microdisplay register settings to

fine-tune image characteristics

Software register control over the microdisplay’s brightness

Download and install new firmware files into your DSVGA Design Reference

Board for easy upgrades and expanded functionality

Save feature stores custom register settings for convenience

3. SYSTEM REQUIREMENTS & SPECIFICATIONS

System Requirements

For digital RGB inputs: A PC capable of producing a digital video output

compliant with the DVI or HDMI standard.

Support software requires a Windows PC with a USB port

D01-501106-01 Rev B DSVGA Design Reference Board Manual

DSVGA Design Reference Board

The DSVGA Design Reference Board is shown in figure 3-1 below. The major

components are labeled for easier identification. The minimum requirements for

displaying video on the DSVGA Design Reference Board are: a USB cable directly

connected to PC, a digital video source connected to HDMI connector and a DSVGA

OLED connected to the display connector.

Figure 3-1 DSVGA Design Reference Board

D01-501106-01 Rev B DSVGA Design Reference Board Manual

4. INTERFACE CONNECTIONS & SETUP

Setup Flow Chart

Figure 4-1 DRK Setup Flow Chart

Connect Display to the Design Reference Board

The microdisplay connects to the Design Reference Board via a 40-pin board-to-

board connector. The present version of the connector is NOT keyed so it is

important to correctly orient the display. Refer to the picture below for the proper

orientation. . The Display Carrier board is connected as shown in figure 4-2

below.

Note: The DSVGA OLED can be damaged if it is not connected properly.

D01-501106-01 Rev B DSVGA Design Reference Board Manual

Figure 4-2 Display Carrier Board Connection Orientation

Lift the displayby its sides and take care not to press on the glass lid or leave fingerprint

marks on it. Insert the display into the Design Reference Board.

Setup PC for Proper Video Output

The default compatible resolution is SVGA (800x600) with a refresh rate of

60 Hz. If you are using this input set the video resolution for 800x600 in your

PC’s display properties.

Ensure that the refresh rate to set to 60 Hz, or other supported refresh rate per

the display specification.

If you are using a laptop PC, you may need to export the video signal to an

external monitor. This is usually accomplished through a key press including

the Fn key + a designated function key. See your PC’s operation instructions

for more information.

Power Up

Set the power switch to the ON position.

Power Down

D01-501106-01 Rev B DSVGA Design Reference Board Manual

Set the power switch to the OFF position.

Brightness

eMagin strongly recommends that you drive the microdisplay at the minimum

luminance necessary for your application. This will extend the lifetime of the

display to its maximum possible lifetime. As OLED microdisplays are emissive

devices, driving the microdisplay at high bias levels will decrease its overall

lifetime.

D01-501106-01 Rev B DSVGA Design Reference Board Manual

5. USING THE DSVGA DESIGN REFERENCE BOARD

SOFTWARE

The DSVGA Design Reference Board includes a support software suite with the

following functionality.

Perform software microdisplay brightness adjustments

Download and install new versions of the DSVGA Design Reference Board

firmware to update or provide new functionality using an USB (RS-232)

connection

Read/write register values to the microdisplay to control various

characteristics (see your microdisplay’s User Specification for more

information)

DSVGA Design Reference Board Software Utility

1. Connect the USB cable to the DSVGA Design Reference Board

2. Connect the video source to the DSVGA Design Reference Board

3. Turn on the DSVGA Design Reference Board

4. Check under the PC’s “Device Manager” window to determine serial COM

PORT number as shown below:

5. Start the DSVGA_SW_V1_1.exe application, enter the correct COM Port

number and a screen should appear like that shown below:

D01-501106-01 Rev B DSVGA Design Reference Board Manual

Figure 5-1 DSVGA Design Reference Board Software Utility

6. The application communicates with the PIC on the DSVGA Design Reference

Board.

7. The read/write buttons shown in the “OLED Registers” panel will read/write

the register settings in their corresponding boxes from/to the OLED

microdisplay.

8. The read/write buttons displayed in the “GAMMA GC()” panel will

read/write the values used in generating a Gamma table that resides in the

display

9. The read/write buttons displayed in the “OLED EEPROM” panel will

read/write the values stored in the display’s non-volatile memory.

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