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STV3550 数据表(PDF) 46 Page - STMicroelectronics |
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STV3550 数据表(HTML) 46 Page - STMicroelectronics |
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46 / 144 page ![]() 46/144 STV3550 Graphics Functional Description 4.1.4.2 Color Data Each color in the CLUT is defined using the RGB color elements and a mixing factor which determines the overlaying effect of the OSD. Pitch[12:0] 13 Pitch Value (Max. number of pixels which will be displayed on a TV line) 0000h: 1FFFh: Y_top[10:0] 11 Top Position of the OSD Region (in number of TV scan lines). 000h: 7FFh: Y_bottom[10:0] 11 Bottom Position of the OSD Region (in number of TV scan lines). 000h: 7FFh: X_left[11:0] 12 Left Position of the OSD Region (in number of pixel clock periods). 000h: FFFh: X_right[11:0] 12 Right Position of the OSD Region (in number of pixel clock periods). 000h: FFFh: Palettep[31:0] 32 Palette Pointer 00000000h: FFFFFFFFh: Topp[31:0] 32 Top Field Block Pointer 00000000h: FFFFFFFFh: Bottomp[31:0] 32 Bottom Field Block Pointer 00000000h: FFFFFFFFh: OSDp[31:0] 32 Next OSD Region Specification Pointer. 00000000h: FFFFFFFFh: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 987 6543 210 R[7:0] G[7:0] B[7:0] Alpha[7:0] Table 12: : Palette Line Format in 32-bit Color Bitfield Bits Description R[7:0] 8 Red Color value 00h: FFh: G[7:0] 8 Green Color value 00h: FFh: B[7:0] 8 Blue Color value 00h: FFh: Table 11: OSD Header Characteristics Bitfield Bits Description |
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