ST7689-G4 View Datasheet(PDF) - Sitronix Technology Co., Ltd.

Part Name

Description

MFG CO.

ST7689-G4

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

Sitronix Technology Co., Ltd. 

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ST7689

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.

Version 1.0

Page 30 of 195

2009/10

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