SVGA050 CVBS Drive Board User manual
Contents
1. 3V CMOS standard I O definition l Function active low KEY 1 Increase Brightness KEY2 KEY 1 KEY2 KEY F PGCLK KEY F PGCLK Reduce Brightness Brightness amp Contrast Reset Increase Signal Contrast Reduce Signal Contrast On Off Temp Compensation Hardware Reset VPP TxD RxD CMOS 3 3V RS232 interface COM Setting 9600 N 8 1 Mechanic dimension Dimension LXW 29mm X 29mm Display center is accord to drive PCB center WWW OLIGHTEK COM OLCGHTEK interface and pin definition pre ne rece wg level oo fe o fessan v a eo fronzen av re roc reduce Conas aav re free freaks hovo e emo Vec 3 3V 3 3V Power cc Output lt 50mA Function key description DRVO50 CV RO2Preliminary Spec V0 1 00 00 oo CF Fe 9 po All of the Keys are active low pulse and must be not less than 20ms If the low pulse is more than 20ms MCU will do the same operate continually by every 20ms KEY1 Only when temperature compensation disabled Increase Display 19H register value 19H adjust range is 20H FFH If 19H less than 20H then recover to FFH It s effect to adjust Display common cathode voltage and make the Display brightness change from darkest FFH to brightest 20H KEY2 Only when temperature compensation disabled Decrease Display 19H register value 19H adjust range is 20H FFH If 19H less than 20H then recover to FFH It s effect to adj2. DataLen Command usage 1 Read command All command are fixed in 6 bytes sol e E STX CMD Length ACK Data Datan ETX Wa 02 ow1112 13 03 FE 06 00 FF 00 FF 03 Error Response Read command examples Read Display register from 00H to OFH 02 11 03 00 10 03 Read Decoder register from 00H to 20H 02 12 03 00 21 03 2 Write Command 6 lt Total Bytes lt 64 Send 00 FF 00 FF STX CMD Succeed Response i 21 22 23 02 03 Length EA rror Response Write command example Write Display register 01H 41H 19H AOH 02 21 05 01 41 19 A0 03 Tel 86 871 5105538 Fax 86 871 5105207 OLCGHTEK WWW OLIGHTEK COM 4 OLCGHTEK DRV050 CV RO2Preliminary Spec V0 1 MECHANICAL CHARACTERISTICS isplay center i R2 5 01 02 35 0 0 29 00 0 15 24 00 0 05 a 24 00 0 0 gt 29 00 0 1 gt Tel 86 871 5105538 Fax 86 871 5105207 OLCGKTEK WWW OLIGHTEK COM 5 OLCGHTEK DRV050 CV R02Preliminary Spec V0 1 Components rs a KEN a ee 3 000 15 i H L 8 90 0 20 6 9040 c0 l ee ee Components Tel 86 871 5105538 Fax 86 871 5105207 OLCGHTEK WWW OLIGHTEK COM 6
3. Yunnan OLiGHTEK Opto Electronic Technology Co Ltd DRVO50 CV R02 DRV050 CV RO2Preliminary Spec V0 1 SVGAO050 CVBS Drive Board User manual Features Multi format composite video input default is PAL Low power consumption Industrial temperature grade Wide power supply Custom Re configurable General description Power and consumption Input voltage DC 5 17V Typical power 500mW Include display DRV050 CV RO1 is an analog composite video input driver board for SVGA050 OLED microdisplay The low power consumption decoder can automatically consumption detects and converts standard analog baseband television signals compatible with worldwide NTSC PAL and SECAM standards into digital YCbCr 4 2 2 Input video signal Tel 86 871 5105538 component video data compatible with the 8 bit ITU R BT 656 interface standard Default driver board setting is PAL input and the resolution is 768 X 576 support mono or color signal The display center is accord to the driver PCB center convenient for design and set up optical system The five input pins allow user to adjust the brightness contrast of the display One CMOS standard serial communication interface allow user to configure all register of the Decoder and Display So user can re configure the driver board flexible Low noise low dropout DC DC convertor can support 5 5V 17V wide input voltage Fax 86 871 5105207 OLUGHTEK Interface 3
4. to ensure the MCU to work normally when the driver board is powered up the PC port must send a reset command at the same time 02 55 03 00 00 03 Every command must be sending in 600ms and total bytes must be less than 64 bytes otherwise will receive the error code Communication interface support master controller to read write the register value of Display Decoder and EEPROM The change of the Decoder and Display will effect immediately but when power down or reset it will lost The change of the EEPROM is equal to modify the default setting will effect after power up in next time or reset Display Decoder and EEPROM register address range are both OOH FFH Driver board s MCU will not validate the address and values in received command so please use it be carefully and make reference of the related spec or contact our technical Supports Communication mnemonic symbol Signification x fon fs Start symbol zm O End symbol Start symbol error ax jm NAK symbol Err CMD e CMD symbol error Em Frame Fah Frame enor riah Read Decoder En FiO rsh FO overfow in Read EEPROM Fm RxProc FGh CMD process eror Pain Wit Display Tel 86 871 5105538 Fax 86 871 5105207 OLCGHTEK WWW OLIGHTEK COM 3 OLCGHTEK DRV050 CV RO2Preliminary Spec V0 1 Communication command formatting Send STX CMD DataLen Data ETX l Hs DataLen Response STX CMD DataLen ACK NAK Data ETX e a SaaS gt
5. ust Display common cathode voltage and make the Display brightness change from darkest FFH to brightest 20H KEY F Increase Display 08H register 08H adjust range is OOH FFH It s effect to adjust the brightness of input video signal from darkest to brightest Reg 08H 00H Signal is the darkest Output Input Reg 08H 80H OOH ignal 18 the darkes 80H Signal is no change FFH Signal is the brightest Tel 86 871 5105538 Fax 86 871 5105207 OLCGHTEK 2 WWW OLIGHTEK COM OLCGHTEK DRV050 CV R02Preliminary Spec V0 1 PGCLK Decrease Display 08H register 08H adjust range is OOH FFH It s effect to adjust the brightness of input video signal from darkest to brightest Reg 08H 00H Signal is the darkest Output Input Reg 08H 80H 0H ignal 1s the darkes 80H Signal is no change FFH Signal is the brightest PGCLK KEY F Turn On Off temperature compensation function When temperature compensation turn on every 10s will check the value of Display temperature sensor and automatic correct the value of Display 19H register and all the other operate of 19H register will be disabled KEY1 KEY2 Brightness and contrast return to the initial state The state before you change the register value Reset Hardware reset all setting will come back to default Communication description RxD and TxD pin are work in COMS 3 3V standard it cannot connect to PC RS232 port directly In order
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