ST7689 datasheet(30/195 Pages) SITRONIX

Part #	ST7689

Description	128RGB x 160 dot 65K Color with Frame Memory Single-Chip CSTN Controller/Driver

PDF	195 Pages

Scroll/Zoom	100%

Manufacturer	SITRONIX [Sitronix Technology Co., Ltd.]

Direct Link	http://www.sitronix.com.tw

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30 / 195 page

ST7689

Version 1.0

Page 30 of 195

2009/10

Figure 3

Parallel Data Transfer Example Chart

Relation between Data Bus and Gradation Data

ST7689 offers 256 color display, 4096 color display, 65K color display, and 262K color display. When using 256 colors,

4096, 65K, and 262K display; you can specify color for each of R, G, and B using the palette function. Use the command

for switching between these modes.

(1) 256 color input mode

8-bit interface

D7, D6, D5, D4, D3, D2, D1, D0: RRRGGGBB

1st -write

There is only 1 write operation for 1 pixel data.

1 pixel data is written in the display data RAM when 1st -write operation finishes.

(2) 4096-color display

1. 8-bit mode

D7, D6, D5, D4, D3, D2, D1, D0: RRRRGGGG

1st-write

D7, D6, D5, D4, D3, D2, D1, D0: BBBBRRRR

2nd-write

D7, D6, D5, D4, D3, D2, D1, D0: GGGGBBBB

3rd-write

There are 3 write operations for 2 pixel data.

1st pixel data is written in the display data RAM when 2nd –write operation finishes, and 2nd pixel data is written in the

display data RAM when 3rd–write operation finishes.

ST7689 Datasheet(PDF) 30 Page - Sitronix Technology Co., Ltd.