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S1D2502B01 Datasheet(PDF) 23 Page - Samsung semiconductor |
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S1D2502B01 Datasheet(HTML) 23 Page - Samsung semiconductor |
23 / 61 page S1D2502B01 VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS 22 Preliminary Table 11. Register Description Registers Bits Description Character & Attribute Registers (Row 00 — 14, Column 00 — 29) C8 — C0 (Bit 8 — 0) Character code address This is the address of 448 ROM fonts. Blink/FINT (Bit 9) Character blinking/font intensity If row attribute register's INTE bit is set to '1', this bit carries out the font intensity feature, and if not, the character blinking feature instead. In other words, to carry out character blinking, set the INTE bit to '0'. Select frame control register-0's BliT bit as blinking time, and select Bli1, Bli0 Bit as blinking duty. When giving intensity in units of font, refer to the table below. B, G, R (Bit C — A) Character color The character color is chosen from 16 colors using these 3 bits and the row attribute register's CINT bit. BOX1, BOX0 (Bit E, D) Character box drawing You can make 4 box drawing modes using these 2 bits in combination. The box drawings possible with font 'A' are shown below. Refer to row attribute register's 'BOXE' bit. BINV (Bit F) Box inversion The white box turns black and black box turns white in the box drawing using BOX1, BOX0. Blink/FINT INTE RINT CINT Function 0 0 - - Normal 0 1 - - Normal 1 0 - - Blink 1 1 0 1 Character intensity 1 1 1 0 Raster intensity 1 1 1 1 Character & raster intensity BOX0 BOX1 A A A o 1 0 1 BOX OFF |
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