ST7628
Figure 7.1Parallel Data Transfer Example Chart
Relation between Data Bus and Gradation Data
The interface of ST7628 supports 256 color display, 4096 color display, 65K color display, truncated 262K color display,
and truncated 16M color display.
When using 256, 4096, 65K, 262K, and 16M color display; you can specify color for each of R, G, 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
There is only 1 write operation for 1 pixel data.
1st writes
1 pixel data is written in the display data RAM when 1st -write operation finishes.
2. 16-bit interface
D15, D14, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0: XXXXXXXXRRRGGGBB
There is only 1 write operation for 1 pixel data.
1st writes
1 pixel data is written in the display data RAM when 1st –write operation finishes. “X” are ignored dummy bits.
Ver 1.4
18/213
2008/08
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
