eMagin EMA-200015 Manual de usuario
D01-501106-01 Rev B DSVGA Design Reference Board Manual
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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
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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
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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
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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
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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
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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.
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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
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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.
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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:
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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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