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hi
i need to interface a notebook LCD, i know this device are not easy like STN lcd, they need signals at higher rate (100Mhz ?) and i think they also want signals in lowvoltage range, i have to get the proper documentation about the LCD, it's not easy to me to get it because it seems LCD are very bad documentated. Anyway ... what do you think and suggest for such an application ? here i have MAXII cpld and cyclone fpga, but i could buy something specific in case. regardsLink Copied
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Some manufacturers, e.g. L.G. Philips have detailed specification of their TFT LCD units. The interface generally uses serialized LVDS transmission of pixel and sync data, a standard 24-Bit XGA display uses 4 data and 1 clock differential pair. You can also refer to National DS90C385A LVDS transmitter datasheet for the coding details.
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lvds transmitter
SN65LVDS84 (from Texas Instruments) --> 18bpp 3data + 1clock DS90C385A (from National) --> 24bpp 4data + 1clock As far as i understand the LVDS panels are mostly the same they only differ in resolution and bpp. 18bpp panels have 3+1 LVDS channels (3 data + 1 clock), 24bpp panel will have 4+1 (4data + 1 clock). Higher resolution will probably want higher clock. I'd like 1024x768, that should be handled with 60Mhz. about the lcd
I'd like to use "TM150XG-02L11" ( it's a 18bpp ), which could be bought from ebay looking for the the specific item part or buying a laptop and pull it out. The following laptops should mount the lcd in their inside: Asus; A2, A2000, A2500H, A3, A3000 series Compaq Evo; n100v, n1000v, n1014v, n1015v, n1020v series Compaq Presario; 900, 1500, 2100, 2500 series Dell Inspiron; 5150, 5160 series Hp-Compaq Business Notebook; nc6100, nc6110, nc6120, nx5000, nx6100, nx6110, nx6120, nx9000, nx9005, nx9010, nx9030 series Hp Pavilion; ze4000, ze5000 series Ibm ThinkPad; A30, A31, R40, R50, R51 series Toshiba Satellite; A10, A15, A20, A25, A30, A35, A40, A45, L10, L15, L20, 1130, 1135, 2430, 2435 series Toshiba Satellite Pro M10-M15 series Toshiba Tecra; A1, A2 series
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