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Содержание SXGA096

Страница 1: ...D01 501152 01 Rev A SXGA096 Design Reference Board User s Manual i SXGA096 DESIGN REFERENCE BOARD For Use with all eMagin SXGA096 OLED Microdisplays USER S MANUAL REVISION A TABLE OF CONTENTS ...

Страница 2: ...ower Down 5 Brightness 5 6 USING THE SXGA096 DESIGN REFERENCE BOARD SOFTWARE 5 SXGA096 Design Reference Board Software Utility 5 6 1 1 Hardware Protocol 8 Downloading New Firmware Versions to the Design Reference Board 8 6 2 1 Using the Firmware Download Utility 8 7 ADVANCED USER INFORMATION 9 Microcontroller 9 I2C bus 10 Voltages 10 Bias Control 10 VCOM Mode 10 Gamma 10 7 6 1 Gamma Coefficients G...

Страница 3: ...D01 501152 01 Rev A SXGA096 Design Reference Board User s Manual iii List of Figures Figure 3 1 SXGA096 Design Reference Board 2 Figure 4 1 DRK Setup Flow Chart 3 Figure 5 1 Firmware download utility 9 ...

Страница 4: ...Color OLED XL with glass cover SXGA096 Monochrome White OLED XLS with glass cover SXGA096 Color OLED XLS with glass cover 2 KIT CONTENTS SXGA096 Design Reference Board A01 501369 7V Power Supply USB A to USB B Cable DVI to HDMI Cable CD with schematics firmware User s Manual Supporting Software Windows 3 FEATURES HDMI Video Input USB interface allows access to microdisplay registers Supporting Sof...

Страница 5: ...ith a USB port SXGA096 Design Reference Board The SXGA096 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 SXGA096 Design Reference Board are a USB cable directly connected to PC a digital video source connected to HDMI connector and a SXGA096 OLED connected to the display connector F...

Страница 6: ...ard The microdisplay connects to the Design Reference Board via a 30 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 SXGA096 OLED can be damaged if it is not connected properly ...

Страница 7: ... is SXGA 1280x1024 with a refresh rate of 60 Hz If you are using this input set the video resolution for 1280x1024 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 inclu...

Страница 8: ... includes a support software suite with the following functionality Perform software microdisplay brightness adjustments Download and install new versions of the SXGA096 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...

Страница 9: ...A096 Design Reference Board User s Manual 6 5 Start the SXGA096_SW exe application enter the correct COM Port number and a screen should appear like that shown below Figure 6 1 SXGA096 Design Reference Board Software Utility ...

Страница 10: ...ster settings in their corresponding boxes from to the OLED microdisplay 8 The Gamma read write buttons displayed in the GAMMA panel will read write the Gamma values used in generating a Gamma table that resides in the display 9 The FPGA read write buttons displayed in the GAMMA panel will read write the FPGA values stored in the FPGA 10 The VGN read write buttons displayed in the GAMMA panel will...

Страница 11: ... in the software package 6 2 1 Using the Firmware Download Utility Firmware files can be downloaded as hex files Before attempting to download and install new firmware versions make sure that you have received a firmware hex file from an eMagin source To load your firmware files follow the following steps 1 Connect the USB cable to the PC and to the RS232 connector on the SXGA096 Design Reference ...

Страница 12: ...is complete the SXGA096 Design Reference Board will run 7 ADVANCED USER INFORMATION Microcontroller The SXGA096 Design Reference Board utilizes a Microchip PIC18F2523 microcontroller This is a CMOS Flash microcontroller in a 28 pin package Provisions are on the circuit board for in circuit reprogramming Please refer to the Microchip PIC18F2523 datasheet available from Microchip Technology Inc for ...

Страница 13: ...s The power supply section of the SXGA096 Design Reference Board consists of several voltage regulators some of which are adjustable with potentiometers Table 6 1 below describes the voltages and their purpose Voltage Range Typical Purpose Vinput USB 5 0 Volts 5Volts Main Supply V5 5Volts 10 fixed 5 Volts LEDS DAC V3 3 3 3Volts 10 fixed 3 3 Volts DVI RS232 V2 5 2 5Volts 10 fixed 2 5 Volts VAN 5 0V...

Страница 14: ...are All three color channels have the same PWL shape There are multiple ways to set the Gamma using the windows software The Gamma section of the software is shown below Figure 6 5 Gamma Section of the Software 7 6 1 Gamma Coefficients GC 0 8 The 9 boxes in the Gamma section represent the 9 segment piece wise linear function that defines the gamma curve These 9 values are used to calculate the 256...

Страница 15: ...efficients and then the full 256 value lookup table This lookup table is then loaded by the firmware into the SXGA096 Microdisplay 7 6 3 Loading the LUT from a file The software allows for the loading of the gamma tables from a text file The format is as follows 1 174 396 529 575 583 591 599 607 612 618 1023 Each of the 256 values is on a separate line This lookup table is then loaded by the firmw...

Страница 16: ...n setting the System Gamma to 1 9 and pressing the Set button will give a better overall gamma response This does not mean that there is a 1 to 1 relationship between input gamma and the System Gamma Figures 6 6 to 6 8 show the grayscale response for a display at several luminance settings obtained by using the Update LUT feature and the System Gamma set to 1 Figure 6 6 Luminance Response for Auto...

Страница 17: ... Gamma at Typical Luminance Figure 6 8 Luminance Response for Auto Gamma at High Luminance AUTO GAMMA for Typical Luminance 0 20 40 60 80 100 120 140 160 0 50 100 150 200 250 300 GRAYSCALE LUMINANCE AUTO AUTO GAMMA for High Luminance 0 50 100 150 200 250 300 0 50 100 150 200 250 300 GRAYSCALE LUMINANCE AUTO ...

Страница 18: ...TORY Revision Level Date ECN Description 00 10 6 2014 Initial draft 01 4 24 2015 2015 55 Updated for New DRK 01 6 9 2015 2015 72 Updated cover minor changes retain Rev 01 01 28 2016 Move to new Document Control System A 08 11 2020 001007 Corrected connector size 5 2 page 3 to 30 pins ...

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