
HD66781
Preliminary
Rev.0.5, July.31.2003, page 4 of 196
Timing interfacing with LCD panel signals........................................................ 151
High-Speed Burst RAM Write Function ............................................................ 153
Notes to the high-speed RAM write mode.............................................................................154
High-Speed RAM Write with Window Address Function.....................................................155
Window Address Function ................................................................................. 156
γ
-Correction Function......................................................................................... 157
Grayscale Amplifier Configuration........................................................................................158
γ
-Correction Registers............................................................................................................160
Ladder resistors and 8 to 1 selector........................................................................................162
Variable resistors ...................................................................................................................162
Relationship between RAM data and output level (REV =0)................................................167
Relationship between RAM data and output level (REV =1)................................................168
Low Power Consumption Display Mode............................................................ 169
8-color Display Mode......................................................................................... 172
Oscillation Circuit............................................................................................... 173
n-raster-row Inversion alternating Drive ............................................................ 174
Interlaced Drive .................................................................................................. 175
Alternating Timing.............................................................................................. 177
Frame-Frequency Adjustment Function ............................................................. 178
Relationship between Liquid Crystal Drive Duty and Frame Frequency ..............................178
Partial Display Function ..................................................................................... 179
Power-saving drive settings................................................................................ 180
Equalization function.......................................................................................... 183
Specifications of external element of HD66781................................................. 184
Instruction Setting............................................................................................... 185
Power-supply/display ON (LPTS = 0: a-Si TFT panel, with HD66783)...............................186
Power-supply/display OFF (LPTS = 0: a-Si TFT panel, with HD66783) .............................187
Power-supply/display ON (LPTS = 1: LTPS TFT panel, with HD667P21)..........................188
Power-supply/display OFF (LPTS = 1: LPTS TFT panel, with HD667P21)........................189
Standby/Sleep mode...............................................................................................................190
Deep standby mode................................................................................................................191
Low power consumption display mode..................................................................................192
8-color mode..........................................................................................................................192