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ST7626 Datasheet(PDF) 30 Page - Sitronix Technology Co., Ltd. |
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ST7626 Datasheet(HTML) 30 Page - Sitronix Technology Co., Ltd. |
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30 / 94 page  ST7626 Ver 1.5 30/94 2007/01/20 7.4 Area Scroll Display Using area scroll set and scroll start set commands allows you to scroll the display screen partially. You can select any one of the following four scroll patterns. Fixed area Scroll area Figure 7.4.1 Scroll Mode explaination chart Example：In the center screen scroll of 1/48 duty (display range: 48 lines = 12 blocks) Set Area Scroll command (0x00AA) Block 0 and block 1 (8-lines) are specified for the top fixed area. Top Block Address = Number of the top fixed area = 8 / 4 = 2 (0x0002) parameter (0x0002) Block 15 & block 16 (8-lines) are specified for the bottom fixed area. Block 10 to block 14 (20-lines) are specified for the background area. Bottom Block Address = Number of Background area + Bottom Block Address = (20 / 4) + 9 = 14 (0x000E) parameter (0x000E) Block 2 to Block 9 (32-lines) are specified for the scroll area Number of Specified Blocks = ((Top Fix Area + Scroll Area) – 1) = (2 + (12 - 2 - 2)) - 1 = 9 (0x000E) parameter (0x0009) Set area acroll mode – Center Screen Mode parameter (0x0000) |
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