ST7669V
Figure 7.1-1 Parallel Data Transfer Example Chart
Relation between Data Bus and Gradation Data
ST7669V 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
1. 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
(1-1) Type A 4096 color display
1. 8-bit mode
D7, D6, D5, D4, D3, D2, D1, D0: RRRRGGGG
D7, D6, D5, D4, D3, D2, D1, D0: BBBBRRRR
D7, D6, D5, D4, D3, D2, D1, D0: GGGGBBBB
There are 3 write operations for 2 pixel data.
1st-write
2nd-write
3rd-write
1st pixel data is written in the display data RAM when 2nd –write operation finishes, and 2nd pixel data is written in the
Ver 1.3
21/208
6/4/2008
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
