HD66750 Datasheet, PDF (2/96 Pages) Hitachi Semiconductor – 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions

HD66750/1
Ñ Power-save functions such as the standby mode and sleep mode supported
Ñ Programmable drive duty ratios and bias values displayed on LCD
¥ 128-segment ´ 128-common liquid crystal display driver
Â¥ n-raster-row AC liquid-crystal drive (C-pattern waveform drive)
Â¥ Duty ratio and drive bias (selectable by program)
Â¥ Window cursor display supported by hardware
Â¥ Vertical smooth scroll
Â¥ Partial smooth scroll control (fixed display of graphics icons)
Â¥ Vertical double-height display by each display raster-row
Â¥ Black-and-white reversed display
Â¥ No wait time for instruction execution and RAM access
Â¥ Internal oscillation and hardware reset
Â¥ Shift change of segment and common driver
Table 1 Progammable Display Sizes and Duty Ratios
Graphics Display
Duty Optimum Bit-map
12 x 12-dot 12 x 13-dot 14 x 15-dot
Ratio Drive Bias Display Area Font Width Font Width Font Width
1/16 1/5
128 x 16 dots 1 line x 10
characters
1 line x 10 1 line x 9
characters characters
1/24 1/6
128 x 24 dots 2 lines x 10 1 line x 10 1 line x 9
characters characters characters
1/32 1/6
128 x 32 dots 2 lines x 10 2 lines x 10 2 lines x 9
characters characters characters
1/72 1/9
128 x 72 dots 6 lines x 10 5 lines x 10 4 lines x 9
characters characters characters
1/80 1/10
128 x 80 dots 6 lines x 10 6 lines x 10 5 lines x 9
characters characters characters
1/88 1/10
128 x 88 dots 7 lines x 10 6 lines x 10 5 lines x 9
characters characters characters
1/96 1/10
128 x 96 dots 8 lines x 10 7 lines x 10 6 lines x 9
characters characters characters
1/104 1/11
128 x 104
dots
8 lines x 10 8 lines x 10 6 lines x 9
characters characters characters
1/112 1/11
128 x 112
dots
9 lines x 10 8 lines x 10 7 lines x 9
characters characters characters
1/120 1/11
128 x 120
dots
10 lines x 10 9 lines x 10 8 lines x 9
characters characters characters
1/128 1/11
128 x 128
dots
10 lines x 10 9 lines x 10 8 lines x 9
characters characters characters
16 x 16-dot
Font Width
1 line x 8
characters
1 line x 8
characters
2 lines x 8
characters
4 lines x 8
characters
5 lines x 8
characters
5 lines x 8
characters
6 lines x 8
characters
6 lines x 8
characters
7 lines x 8
characters
7 lines x 8
characters
8 lines x 8
characters
8 x 10-dot
Font Width
1 line x 16
characters
2 lines x 16
characters
3 lines x 16
characters
7 lines x 16
characters
8 lines x 16
characters
8 lines x 16
characters
9 lines x 16
characters
10 lines x 16
characters
11 lines x 16
characters
12 lines x 16
characters
12 lines x 16
characters
2