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ST7715 Datasheet(PDF) 44 Page - Sitronix Technology Co., Ltd. |
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ST7715 Datasheet(HTML) 44 Page - Sitronix Technology Co., Ltd. |
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44 / 167 page  ST7715 V1.5 44 2009-12-04 9.7.11 18-Bit Parallel Interface (IM2, IM1, IM0=“111”) Different display data formats are available for three colors depth supported by listed below. - 4k colors, RGB 4,4,4-bit input - 65k colors, RGB 5,6,5-bit input - 262k colors, RGB 6,6,6-bit input. 9.7.12 18-bit data bus for 12-bit/pixel (RGB 4-4-4-bit input), 4K-Colors, 3AH=“03h” There is 1 pixel (3 sub-pixels) per 1 byte - - - - G1, B it 3 - G1, B it 2 - G1, B it 1 - G1, B it 0 - 8080-series control pins R ES X IM [2:0] C SX D /C X “ “ “ “ 1 ” ” ” ” “ “ “ “ 111 ” ” ” ” W R X R D X “ “ “ “ 1 ” ” ” ” D 15 D 14 D 13 D 12 D 11 D 10 D 9 D 8 P ixel n Pixel n+1 12 bits 12 bits R 1 G 1 B 1 R 2 G2 B 2 R 3 G3 B 3 18 bits Fram e m em ory R 1, B it 3 0 R 1, B it 2 0 R 1, B it 1 1 R 1, B it 0 0 1 1 0 0 D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0 - - - - B 1, B it 3 B 1, B it 2 B 1, B it 1 B 1, B it 0 G2, B it 3 G2, B it 2 G2, B it 1 G2, B it 0 R 2, B it 3 R 2, B it 2 R 2, B it 1 R 2, B it 0 - - - - B 2, B it 3 B 2, B it 2 B 2, B it 1 B 2, B it 0 G3, B it 3 G3, B it 2 G3, B it 1 G3, B it 0 R 3, B it 3 R 3, B it 2 R 3, B it 1 R 3, B it 0 - - - - B 3, B it 3 B 3, B it 2 B 3, B it 1 B 3, B it 0 G4, B it 3 G4, B it 2 G4, B it 1 G4, B it 0 R 4, B it 3 R 4, B it 2 R 4, B it 1 R 4, B it 0 - - - - B 4, B it 3 B 4, B it 2 B 4, B it 1 B 4, B it 0 Pixel n+2 Pixel n+3 Look-U p Table for 4096 C olor data m apping (12 bits to 18 bits) - - D 17 - - - - - - - - D 16 Note1. The data order is as follows, MSB=D11, LSB=D0 and picture data is MSB=Bit 3, LSB=Bit 0 for Red, Green and Blue data. Note 2:1-times transfer is used to transmit 1 pixel data with the 12-bit color depth information. |
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