SXGA Design Reference Board Datasheet
Contents
1. Update LUT This button located in the center of the software form tells the firmware to calculate the Gamma coefficients using the VGN signal provided by the SXGA microdisplay This feature allows the display gamma to be automatically adjusted for any operating conditions of temperature and brightness The firmware calculates the 9 Gamma coefficients and then the full 256 value lookup table This lookup table is then loaded by the firmware into the FPGA 6 7 4 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 Version 1 5 SXGA Design Reference Board User s Manual 15 AeMagin Each of the 256 values is on a separate line This lookup table is then loaded by the firmware into the FPGA There are 3 files shipped with the software package 6 7 5 The Read LUT Button The software allows for the reading of the full 256 values of the LUT using this button The result is displayed in the message box at the bottom of the software The user can scroll through all the values or select and save to a text file These LUT values are the values before being gray coded 6 7 6 System Gamma The software allows for the overall System Gamma to be set between 0 5 and 2 5 when using the Auto Gamma feature This System Gamma can be used to compensate for the gamma of the input video For exa2. Version 1 5 SXGA Design Reference Board User s Manual 18 AeMagin 7 FPGA 7 1 FPGA Register Map FPGA Register Map 12C Slave Address 010110X 0101100x x 0 when write x 1 when read mode Add Reset db Name Access Bit Name Bit Value Description Hex Hex 00 STATE R REV 2 0 0 Silicon Revision Number 5 Interlaced video enable 0 progressive video 1 Interlaced video 01 VIDMODE R W 4 0 Input video resolution 0 SXGA 1 DVGA 6 Line data start position range 0 to C 0 02 ADDR R W Write address for LUT template 3 0 7 0 03 7 0 Write LSB data for LUT template with WRDATA write and auto address increment 1 0 0 WRDATA RW WRDATA 7 0 0 04 WRDATA 9 8 0 Write MSB date for LUT template 0 LUT update ready flag 93 LUTRDY RW LUTRDY 0 LUT not ready 1 New LUT is ready for update VSYNC polarity 0 negative sync 1 positive sync 06 SYNCPOL R W HSYNC polarity 0 negative sync 1 positive sync RAMPEN C coe or RAMPOTL PW RAMPST Ramp start position 16 SCLK to 48 SCLK after HSYNC rising edge 10 16 SCLK 11 17 SCLK 20 32 SCLK 30 48 SCLK 8 REVISION HISTORY Revision Level Date Description A 07 23 08 B 08 14 08 Included new software features Gamma Table C 10 21 08 New Rev 2 Drive Board D 9 10 09 Updated Software Version Number V 1 4 to V1 6 E 2 18 2010 New Gamma Functions added Version 1 5 SXGA Design Reference Board U
3. 30 IE RS 62 SE gt 94 SE 126 7E er 31 15 US 63 sr Jjos sr 127 7 SXGA Design Reference Board User s Manual A eMagin 5 4 Downloading New Firmware Versions to the Design Reference Board The ability to download new versions of the firmware ensures that you will have the latest functionality without having to send your SXGA Design Reference Board for reprogramming A utility that downloads and installs new firmware versions is included in the software package 5 4 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 Version 1 5 l Ze 3 4 Connect the serial cable to the PC and to the RS232 connector on the SXGA Design Reference Board Connect the power cable to the SXGA Design Reference Board Connect your video source to the SXGA Design Reference Board Start the SXGA SW V1 8 exe application Select the Bootloader menu at the top of the form A window should appear like that below Bootloader V1 0 a Serial Processor 8F2523 ip m Pan A Messages Connect Not Connected Figure 5 3 Firmware download utility Make sure the following settings are shown a Processor 18F2523 b Com Port 1 Click the Program button to
4. AeMagin SXGA DESIGN REFERENCE BOARD For Use with all eMagin SXGA OLED Microdisplays P N EMA 200007 USER S MANUAL VERSION 1 5 Version 1 5 SXGA Design Reference Board User s Manual TABLE OF CONTENTS 1 INTRODUCTION cocino EE 1 2 FEATURES 00 ii 1 2 1 Sottware EealUl S coin ii rad f asia Fat Aaa tren tns te OE AESSR 1 3 SYSTEM REQUIREMENTS amp SPECIFICATIONS eeeeeeesseeseee ee enennn neant nnn nnne nnn 1 3 1 System Requirements s reino eh e eie eter that nde etl tie 1 3 2 SXGA Design Reference Board c coooocinnicccoccccnonicononcnanoccnoncnnono nn nano cc ronca rn rra rra 2 4 INTERFACE CONNECTIONS amp SETUP ooooccicicconninnncrcccncccornnncrrnnnrrr cnc 3 4 1 Setup Flow Chart acci een te ete tete te berti ed Yee etas 3 4 2 Connect Display to the Design Reference Board ssssseeeeneeens 4 4 3 Setup PC for Proper Video Output sse nnne nnne nennen nennen 4 4 4 Power Ups sini ote ife a i cede i e e ee ead 4 4 5 POWER DOWN ART ME 5 4 6 Brightness iniu reete e IC Gente Ai etm eh 5 5 USING THE SXGA DESIGN REFERENCE BOARD SOFTWARE eene 5 5 1 Serial Interface Command Set esee nennen snnt nnne nnne ens 5 5 2 SXGA Design Reference Board Software Utility sseeeneene 5 5 21 Hardware Protocol iia te er e E Ee e EE TOP de N dde og 7 5 2 2 eMagin Software Command Set cccescceesceceseee
5. 1 5 SXGA Design Reference Board User s Manual 4 AeMagin 4 5 Power Down Set the power switch to the OFF position 4 6 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 5 USING THE SXGA DESIGN REFERENCE BOARD SOFTWARE The SXGA Design Reference Board Rev 3 includes a support software suite with the following functionality Perform software microdisplay brightness adjustments Perform software adjustments of the Vcommon input to the microdisplay Read the microdisplay s temperature Download and install new versions of the SXGA Design Reference Board firmware to update or provide new functionality using an RS 232 connection Read write register values to the microdisplay and FPGA to control various characteristics see your microdisplay s User Specification for more information 5 1 Serial Interface Command Set The SXGA Design Reference Board Rev 3 can be controlled by sending commands and data using the included RS 232 cable The software package includes a file called SXGA_SW_V1_8 exe developed for this purpose 5 2 SXGA Design Reference Board Software Utility 1 iore DT Version 1 5 Connect the serial cable to the PC Port 1 and to
6. PWL shape There are multiple ways to set the Gamma using the windows software The Gamma section of the software is shown below Gamma Coefficients GC 5 Write Update Load From Read LUT LUT File Preset Gammas System Gamma 0 gt Set 1 6 Figure 6 5 The Gamma Section of the Software Version 1 5 SXGA Design Reference Board User s Manual 14 AeMagin 6 7 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 element look up table LUT that is required to transform input video data into a gamma corrected data signal for the microdisplay input port The Read button will retrieve the current 9 values from the microcontroller The user can change any of the 9 values and see the resulting gamma corrected video by pressing the Write button 6 7 2 Preset Gamma Table descriptions There are 3 Gamma tables programmed into the Microcontroller firmware and can be selected from the windows software They can be selected by using the pull down menu in the lower left of the Gamma section Preset GAMMAS Each table was calculated for a linear response at different luminance levels For instance Table 0 is for low luminance applications 6 7 3 Using Update LUT Button for Auto Gamma Correction The software allows for the immediate update of the gamma tables with the push of a button
7. VAN 5 0V adjustable with pot 5 0 Volts OLED Anode VPG 1 5V adjustable with pot 1 5V OLED Bias VDD 2 5V 10 fixed 2 5V OLED Table 6 2 shows the voltage and current relationship at power on Version 1 5 SXGA Design Reference Board User s Manual 12 A eMagin VAN 5 100 IAN E m 5 B E 8 3 m E S 2 w s E 3 2 o gan E o o a VPG o 100 mo 300 wo Time ms Dicc Figure 6 2 SXGA Power On 6 5 Bias Control BIASN Normal board BIASN 2 gives the best results 6 6 VCom Mode VCOMMODE Dimming use register VCOM to set brightness level in Manual mode The chart below shows Luminance vs Manual VCOM for a color SXGA display Version 1 5 SXGA Design Reference Board User s Manual 13 A eMagin SXGA Color Luminance with Manual VCOM Control VCOMMODE 02 Luminance cd m2 50 70 90 110 130 150 170 190 210 230 250 VCOM dec Figure 6 4 Luminance vs Manual Vcom 6 7 Gamma To compensate for the non linear dependency of luminance on the voltage of the OLED diode the R G and B signals include internal gamma correction to linearize the pixel response as a function of the input video signal This gamma correction takes place in the FPGA The gamma correction consists of a nine segment piece wise linear function whose parameters are set from the pull down menu or via registers in the Gamma panel on the windows software All three color channels have the same
8. ete eite editi one tU Ca 18 7 idco t DEN 19 7 1 FPGA Register Map etiem e o ie C eh ee A deed adi 19 8 REVISION HISTORY rere cerei sana 19 Version 1 5 SXGA Design Reference Board User s Manual ii List of Tables TABLE 5 1 COMMAND SET LIST FOR ADDRESSING THE MICRODISPLA Y 7 TABLE 5 2 TABLE OF ASCII CHARACTER CODES 4 eese nnne 9 List of Figures Figure 3 1 SXGA Design Reference Board Rev 3 tii iii tia didas 2 Figure 4 1 Display Carrier Board Connection Orientation esee enne 4 Figure 5 1 Example microdisplay register value write using included software 7 Figure 5 2 Example microdisplay register value write using Hyperterminal suse 8 Figure 5 3 Firmware download UN a iii 10 Version 1 5 SXGA Design Reference Board User s Manual iii AeMagin 1 INTRODUCTION The SXGA Design Reference Board Rev 3 provides the user with a highly compact portable way of operating an eMagin SXGA OLED Microdisplay This product was designed to deliver a complete tool for developers to evaluate and integrate eMagin SXGA 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 serial port 2 FEATURES DVI Input RS 232 serial interface allows access to microdisplay registers Supporting Software Windows ON OFF power switch 2 1
9. find the hex file you wish to install Note The power on the SXGA Design Reference Board should be off while setting up your download Only turn on the power to the SXGA Design Reference Board when you are ready to write your new firmware to the PIC When you turn on the SXGA Design Reference Board the hex file should begin to upload The progress bar will turn blue When the upload is complete the SXGA Design Reference Board will run SXGA Design Reference Board User s Manual 10 AeMagin 6 ADVANCED USER INFORMATION 6 1 Microcontroller The SXGA 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 but are not accessible without opening the case Please refer to the Microchip PIC18F2523 datasheet available from Microchip Technology Inc for additional information about the microcontroller and programming The main function of the microcontroller is to communicate with the OLED display and the FPGA All communication is over the internal C bus and the microcontroller acts as the bus master On power up the registers of the OLED and FPGA are initialized with the default settings programmed into the microcontroller After initialization the microcontroller scans for user input and monitors the OLED and FPGA 6 2 17C bus The microcontroller is the bus master and communication occurs at the
10. mentioned in the table above needs first to be converted to its ASCII equivalent in order to be recognized by the Design Reference Board firmware Received information will also be displayed as ASCII code An ASCII to decimal or hexadecimal conversion must be performed to read the correct values sent via the serial interface We have provided an example write instance and ASCII character table for your reference To write the decimal value 81 to register 3 the following commands need to be issued G CTRL C D Q W Ctrl C pressing the Ctrl and C key simultaneously is the ASCII equivalent of decimal 3 Note No space is required between the commands The spacing above is for clarity only Figure 5 2 Example microdisplay register value write using Hyperterminal Version 1 5 SXGA Design Reference Board User s Manual 8 AeMagin 5 3 1 Name null start of text Non Printing Characters start of heading ctri A 1 01 SOH 33 21 65 41 A 97 61 ASCII Table of Commands TABLE 5 2 TABLE OF ASCII CHARACTER CODES Printing Characters Se er ep peo ee crl 0 00 NUL 32 20 Space 64 40 o 96 cw B 2 02 STX 34 2 66 42 B fos 62 horizontal tab line feed vertical tab form feed carriage feed shift out shift in a b endoftext crLC 3 03 JETX 35 23 67 43 C o9 63 c endofxmit_ cti D 4 04 EOT 36 24 68 44 D 00 64 d e
11. E a AJD Herrn High Low Voltage Get Status Port 1 38400 n 8 1 00 00 20 Figure 5 1 SXGA Design Reference Board Software Utility 6 The application communicates with the PIC on the SXGA Design Reference Board and reads the initial status of the OLED FPGA and VPG shutdown pins 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 FPGA panel will read write the settings displayed in the register boxes from to the SXGA Design Reference Board s FPGA 9 The read write buttons displayed in the GAMMA panel will read write the values used in generating a Gamma table that resides in the FPGA Direct control of the SXGA Design Reference Board can also be implemented into a customer specific application using the following hardware protocol and command set Version 1 5 SXGA Design Reference Board User s Manual 6 AeMagin 5 2 1 Hardware Protocol e bit no parity e 38400 baud e No hardware handshake 5 2 2 eMagin Software Command Set TABLE 5 1 COMMAND SET LIST FOR ADDRESSING THE MICRODISPLAY REGISTERS Command Description O Select the OLED device Usage O F Select the FPGA device Usage F E Read the EEPROM device Usage E Note The E command is preceded by a HX command J Send a data value to the SXGA Design Refere
12. Software Features e Read write capabilities allow adjustments of microdisplay register settings to fine tune image characteristics e Software register control over the cathode voltage Vcommon input e Software register control over the microdisplay s brightness e Download and install new firmware files into your SXGA Design Reference Board for easy upgrades and expanded functionality e Ability to read the microdisplay s temperature e Save feature stores custom register settings for convenience 3 SYSTEM REQUIREMENTS amp SPECIFICATIONS 3 1 System Requirements e For digital RGB inputs A PC capable of producing a digital video output compliant with the DVI standard e Support software requires a Windows PC with an RS 232 serial port Version 1 5 SXGA Design Reference Board User s Manual 1 AM 3 2 SXGA Design Reference Board The SXGA Design Reference Board Rev 3 is shown in figure 3 1 below The major components are labeled for easier identification The minimum requirements for displaying video on the SXGA Design Reference Board are a 9 Volt power supply connected to the power connector a digital video source connected to the HDMI connector A DVI to HDMI adapter is included with the unit and an SXGA OLED connected to the display connector J12 tunm HDMI Meee RS232 mue OLED DISPLAY E Figure 3 1 SXGA Design Reference Board Rev 3 Version 1 5 SXGA Design Reference Board User s Manual AeMag
13. aximum value of the internal RAMP DAC signal DAOFFSETH can increase the maximum level by up to 20 and DAOFFSETL can decrease the maximum level by up to 20 of the nominal value The typical dependence of display luminance on DAOFFSET is shown in Figure 6 6 The luminance is seen to saturate for DAOFFSET greater than 20 in this sample For normal operation DAOFFSET should be set to a value just below the saturation region It should be adjusted for an operating luminance equal to 84 91 of the saturated or maximum value Luminance DAOFFSET 200 180 160 140 120 100 80 60 40 20 0 SP Q P A P OB o 9 A DAOFFSET VALUE R3A11 Figure 6 9 Luminance vs DAOFFSET register value Follow these steps to determine DAOFFSET for each display Use default settings for registers VCOMMODE 00 IDRF 30h DIMCTL 64h 1 Set the DAOFFSET register to OxFO and measure luminance eg 100cd m2 2 Calculate 91 of the measured luminance eg 91cd m2 3 Set the DAOFFSET register to 0x10 and measure luminance a If the measured luminance for DAOFFSET 0x10 is greater than 91 of DAOFFSET O0xF0 then the DAOFFSET value is less than 0x10 a If the measured luminance for DAOFFSET 0x10 is less than 91 of DAOFFSET 0xFO0 then the DAOFFSET value is greater than 0x10 4 Continue adjusting the DAOFFSET register until the measured luminance is approximately equal to 84 91 of DAOFFSET 0xF0
14. eseeeeeeeeeeeeeesaeeeseenenaeseeeeeaaeseaaeneaeeseaaeesseeseneenesaseneneenaes 7 5 3 Using Hyperterminal With the Design Reference Board ssssssssseeeee 8 5 941 ASGIE Table of COMMANGS inen tete rio cr eiie tre beet ro e ate ke ae Dp pk cg Ao 9 5 4 Downloading New Firmware Versions to the Design Reference Board 10 5 4 1 Using the Firmware Download Ulility sese 10 6 ADVANCED USER INFORMATION e eeeneeeeenee eene nnne ere 11 6 1 Microcontroller cortesia oda La ce tdt 11 COMMA GO ICM Cc 11 6 3 System Hardware Overview ssssssssssssssseeee eene nennen nennen nns stnn et nen edens nnns en nene 11 6 4 MC ETT 12 6 5 ETE 13 6 6 Meu E ad 13 6 7 Cr aabt 14 6 7 1 Gamma Coefficients GC 0 8 ssssssssssessseseseeeneeenen nennen rca rr rra rn rara rr ran narran nnne 15 6 7 2 Preset Gamma Table descriptions sssssssssseseseeeeeeneennnee nennen nennen nennen entren 15 6 7 3 Using Update LUT Button for Auto Gamma Correction sssseeeeeeeneenene 15 6 7242 Loading the LUT from aile cepe retten on iia 15 6 7 5 The Read LUT Button ie ER Rr EUR E EP EURO EE a aaao anii a ETEA 16 6 7 6 System GAMMA ed ete td OE ento ib de feet ed et ione D i eec 16 6 8 Temperature Head itai Ra n Re e td e ee 18 6 9 Galculating DAOFESET 3i Eee
15. in 4 INTERFACE CONNECTIONS amp SETUP 4 1 Setup Flow Chart Version 1 5 SXGA Design Reference Board User s Manual AeMagin 4 2 Connect Display to the Design Reference Board The microdisplay connects to the Design Reference Board via a 50 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 1 below Note The SXGA OLED can be damaged if it is not connected properly Figure 4 1 Display Carrier Board Connection Orientation Lift the display by its sides and take care not to press on the active area or leave fingerprint marks on it Insert the display into the Design Reference Board 4 3 Setup PC for Proper Video Output e The default compatible resolution 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 e Ensure that the refresh rate to set to 60 Hz or other supported refresh rate per the display specification e 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 keypress including the Fn key a designated function key See your PC s operation instructions for more information 4 4 Power Up e Set the power switch to the ON position Version
16. mple if the source video is gamma corrected to 2 then setting the System Gamma to 1 9 and pressing the Set button and then the Update LUT 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 AUTO GAMMA for Low Luminance 25 20 3 z 15 z e AUTO z 10 l 5 0 0 50 100 150 200 250 300 GRAYSCALE Figure 6 6 Luminance Response for Auto Gamma at Low Luminance Version 1 5 SXGA Design Reference Board User s Manual 16 AeMagin AUTO GAMMA for Typical Luminance 160 140 120 100 80 LUMINANCE 60 40 20 o al o 100 150 200 250 GRAYSCALE e AUTO 300 Figure 6 7 Luminance Response for Auto Gamma at Typical Luminance AUTO GAMMA for High Luminance 300 250 uj 200 eo E z 150 z gt 100 50 0 0 50 100 150 200 250 GRAYSCALE 300 Figure 6 8 Luminance Response for Auto Gamma at High Luminance Version 1 5 SXGA Design Reference Board User s Manual 17 AeMagin 6 8 Temperature Read Temperature read not calibrated to actual temperature 6 9 Calculating DAOFFSET Registers DAOFFSETH and DAOFFSETL are used to adjust the m
17. nce Board Usage JX where X 0 to 255 H Send a register value to the SXGA Design Reference Board Usage HX where X 0 to 255 W Write a register Usage W Note The W command is preceded by a HX JY command G Change the Gamma Table Usage GX where X 0 to 3 P Powerdown a device on the SXGA Design Reference Board Usage PX where X 0 to 7 Q Returns the value at the A2D pin Usage Q Returns two values high byte low byte R Read a register Usage R Note The R command is preceded by a HX JY command S Returns the status of a device on the SXGA Design Reference Board Usage SX where X 0 to 7 U Update the Gamma lookup table in the FPGA Usage U Note The commands and values are typically generated from a control program The values are sent in binary format to the Design Reference Board microcontroller which will process these natively in binary Below is an example write instance using the provided software In order to write the decimal value 81 to register 3 the following commands need to be issued G3D81W No space is required between the commands Figure 5 1 Example microdisplay register value write using included software Version 1 5 SXGA Design Reference Board User s Manual 7 AeMagin 5 3 Using Hyperterminal With the Design Reference Board If you will use Hyperterminal to control the Design Reference Board please note that Hyperterminal converts all input data to ASCII characters Therefore the X value
18. nquiry cel E 5 05 ENQ 37 25 69 45 E o 65 e acknowledge ctr F 6 06 JACK 38 26 amp 70 46 F 102 66 f bell ctrl G 7 07 BEL 39 27 71 47 G 103 67 g backspace h EN eis po pr rar po p oe 1 qs i cm I 10104 LF 42 2A 74 4A y t06 6A j cwi K 11 oB VT 43 2B 75 4B K 107 6B J k jetrl L 12 0C FF 44 2C 76 4C L los 6C 1 cero 13 oD CR E 1 O ENNMNNE n o ciN 4 06 so II TE s ctrl O 15 OF SI 47 2F 79 4F O 111 6F ctrl P 16 10 DLE 48 30 80 50 112 70 p anoir fool omar q ir R 18 12 DC2 50 32 2 1 82 52 R um 72 r ctel S 19 13 DC3 531 33 3 183 53 S fis 73 s t u V W data line escape device control 1 device control 2 device control 3 device control 4 ctrl T 20 14 DC4 52 34 4 84 54 T 116 74 neg acknowledge ctri U 21 15 NAK 53 35 5 85 55 u 117 75 synchronous idel cerv 22 16 SYN EMEN 85 1551 M end of xmit block ctrl W 23 17 ETB 55 37 7 W 119 77 Ee cancel end of medium x soja se 9 eot papa file separator unit separator Version 1 5 group separator record separator substitute et 26 1A SUB S8 sa 90 sa z 122 7A escape Jem Esc so 38 9r se 1 esa eA 28 1C FS 60 3C lt 92 sc v 124 7C ct 29 1D Gs er 3D 95 5D 1 125 7D ctrl
19. ser s Manual 19
20. standard 100KHz clock rate The microcontroller the OLED and the FPGA all operate from 2 5VDC so the I C bus must also operate using 2 5V logic levels The maximum speed allowed for I C bus communication is 400KHz Please refer to the Philips I C bus specification available on the Philips website for detailed information 6 3 System Hardware Overview Figure 6 1 below is a block diagram of the main functions on the SXGA Design Reference Board Version 1 5 SXGA Design Reference Board User s Manual 11 AeMagin DISPLAY DRIVER se SCL SDA SERADD all EDER CARA GN RESETB TC Serial Interface amma Correction Timing Control 10 bit ADC VER CATA ROUTE f GOUTB D Data BOUT 9 0 Demux SCLK WSYNC Timing 2 Control HSYNC ENABLE Serial hter amp ce amma Sensor Figure 6 1 System level Block Diagram 6 4 Voltages E Discrete z Components SXGA DISPLAY Top Col Driver V7 IE Dv Fr E lt Bottom Col Driver E Sensor Hu WC OM The power supply section of the SXGA Design Reference Board consists of several voltage regulators some of which are adjustable with potentiometers Table 6 2 below describes the voltages and there purpose Voltage Range Typical Purpose Vinput 6 0 Volts to 7Volts 6 5 Volts 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 FPGA OLED
21. the RS232 connector on the SXGA Design Reference Board Connect the power cable to the SXGA Design Reference Board Connect the video source to the SXGA Design Reference Board Turn on the SXGA Design Reference Board Start the SXGA SW V1 8 exe application and a screen should appear like that shown below SXGA Design Reference Board User s Manual 5 A eMagin P SXGA Design Reference Kit Software V1 8 Fie CommPort Test Bootloader Version Temperature Brightness A a 32 AeMagin 82 82F R 28 235 m E Status ie VIDMODE HSYNC En STATE 00 Interlaced Neg 0x0 Status 00 xC VcomModggT FPGA VIDMODE 86 Progressive Pos 0x1 VinMode jigi 0xD VGmax oD ADDR a Resolution VS YNC 0x2 DispMod gaT 0xE Vcom Fo PGR WRDATA L 00 SXGA C cp d 0x3 TopPos jg OxF ldrf po WRDATA H 02 DVGA Pos 0x4 BotPos 067 0x10 Dimcu gam LUTRDY 00 StartX Pos ABU 0x5 RampCu ii 0x11 TrefDiv E SYNCPOL 03 LUTRDY RampEN 0x6 RampCMAA 0x12 TempOft gc RAMPCTL 20 Not Ready Start Ox DAoffset 0x13 Tupdate y uN 50 pdate MI Status write Encanta LES 0x8 ExtRampigy 0x14 TempOulggy Gamma Coefficients GC 0x3 PWsave ME 0x15 Pwrdn NN 8 7 6 5 4 3 2 1 0 Read DxA Biasn 0x16 TPmode 1023 822 ia E um 726 641 591 544 506 465 1 WE 0xB Gamma 0x17 AnaTest 44 h Update Load From SXGA z Read LUT TOT EIE z Read Write Single Reg Preset Gammas System Gamma A bo Ox5E Ox5C 0 Y Set 1 6 R e
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