ST7626 datasheet(30/94 Pages) SITRONIX

tên linh kiện	ST7626

Giải thích chi tiết về linh kiện	65K Color Dot Matrix LCD Controller/Driver

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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)

ST7626 bảng dữ liệu(PDF) 30 Page - Sitronix Technology Co., Ltd.