?2004-2007 copyright by averlogic technologies, corp. AL320C-EVB-A0 lcd controller evaluation board user manual version 1.0 information furnished by averlogic is believed to be accurate and reliable. however, no responsibility is assumed by averlogic for its use, or for any infringements of patents, or other rights of third parties that may result from its use. no license is granted by implication or otherwise under any patent or patent rights of averlogic. document number: 1-m-pae332-0001
?2004-2007 copyright by averlogic technologies, corp. amendments 2007.05.14 version 1.0 disclaimer the contents of this document are subject to change without notice. averlogic technologies reserves the right to make changes without further notice to any products herin to improve reliability, function or design. averlogic does not assume any liability arising out of the application or use of any product or circuit described herin; neither dose it convey any license under its patent rights, nor the rights of others. customers are advised to consult with averlogic or its commercial distributors before ordering.
?2004-2007 copyright by averlogic technologies, corp. table of contents 1. introduction .............................................................................................................................. ........... 1 1.1. introduction .................................................................................................................. ................ 1 1.2. product overview ............................................................................................................. ........... 1 2. hardware section .............................................................................................................................. .. 3 2.1 i\o port descriptions ......................................................................................................... ........... 3 2.2 block diagram ................................................................................................................. ............ 3 2.3 key setting ................................................................................................................... ................. 4 2.4 menu display descriptions ..................................................................................................... ..... 5 2.5 remote controller setting ..................................................................................................... ....... 6
?2004-2007 copyright by averlogic technologies, corp. 1 1. introduction 1.1. introduction al320c is an analog lcd display controller which is a combination of a multi- channel analog preprocessing circuit including source selection, anti-aliasing filter and adc, acc (auto-clamp control) and agc (auto-gain control), cgc (clock generation circuit), digital multi-standard decoder containing chrominance and luminance separation by an adaptive 2d comb filter, a brightness, contrast, hue and saturation control circuit, programmable horizontal and vertical scalar, image and sharpness enhancement processing, on-screen-display, programmable tcon and 3- channel dac outputs, etc. 1.2. product overview ? analog input: 1. support multiple analog video inputs 2. support composite video, s-video & ypbpr inputs 3. built-in 10bit adc, agc & acc 4. support auto multi-standard ntsc/pal/secam mode detection 5. adaptive 2d comb-filter video decoding for y/c separation ? digital input: 6. support itu-r bt-656 digital input ? video processing & scalar: 7. closed caption/v-chip/wss/wss-j vbi decoding 8. macrovision copy protection detection 9. contrast/brightness/hue/saturation adjustment 10. sharpness adjustment for edge enhancement 11. ycbcr to rgb color space conversion 12. programmable h/v up & down scaling 13. 4:3 to/from 16:9 conversion 14. programmable 3-channel gamma correction ? osd 15. built-in internal osd 4k bytes ram for programmable osd function 16. support up to 8 osd colors 17. support osd blinking & blending
?2004-2007 copyright by averlogic technologies, corp. 2 18. support programmable osd window position 19. support programmable osd window size 20. support osd x/y mirror ? analog output & tcon 21. support analog lcd panels: 960x234, 1200x234, 1440x234, 1920x234, etc. 22. low power 3-ch dacs for analog rgb output 23. programmable tcon for various analog lcd panels 24. support image mirror and flip functions ? digital output 25. support digital serial rgb lc d panels(auo,toppoly etc.) ? miscellaneous 26. support three pwm generators for general purpose control 27. support interrupt output pin for hardware mode detection 28. built-in test pattern generator (color bar, grey scale, etc.) 29. low power design 30. small footprint package, 80pin lqfp 10x10mm.
?2004-2007 copyright by averlogic technologies, corp. 3 2. hardware section 2.1 i/o port descriptions power: +12v dc power input port (recommended typical current more than 1.0a, ). cvbs : yellow source input port s-vdieo: green source input is y signal; red source input: c signal;. ypbpr: green source input is y signal; red source input: pr; blue source input: pb front keypad: manual operation. remote controller: remote key operation 2.2 block diagram
?2004-2007 copyright by averlogic technologies, corp. 4 2.3 key setting key descriptions power hold this key for 2 seconds to turn on or turn off the machine. left move main menu?s icons anticlockwise or decrease the values when in submenu. right move main menu?s icons clockwise or increase the values when in submenu. menu use this key to enter the main menu mode. exit exit the menu to the upper level , or exit osd/menu from the main menu. pattern to generate the color bar pattern from al320.
?2004-2007 copyright by averlogic technologies, corp. 5 2.4 menu display descriptions (1) use ?menu? key to enter the main menu display mode. (2) use ?left? / ?right? key to move to the icon to be selected. (3) also use ?menu? key to enter the submenu which is defined by icons. (4) when in submenu, use ?left? / ?right? key to adjust the values. (5) use ?exit? key to return to the upper level.
?2004-2007 copyright by averlogic technologies, corp. 6 2.5 remote controller setting here the remote keys? definitions are the same as the front-keypad?s definitions. ?source select? could select video source directly from among cvbs s-video and ypbpr.
?2004-2007 copyright by averlogic technologies, corp. 7 contact information averlogic technologies, corp. url: http://www.averlogic.com
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