HD66787 Datasheet, PDF (3/159 Pages) Renesas Technology Corp – 528-channel, One-chip Driver with 262,144-color Display RAM and Power Supply Circuit for Low-temperature Poli-Si TFT (LTPS-TFT) Panels with Incorporat

HD66787
Preliminary
Conditions on using external display interface ...................................................................... 96
Timing Interfacing with Liquid Crystal Panel Signals ....................................... 98
Register settings..................................................................................................................... 102
Low-temperature poli-Si TFT Panel Control...................................................... 104
High-Speed Burst RAM Write Function ............................................................ 106
Conditions on using high-speed RAM write mode ................................................................ 107
High-Speed RAM Write with Window Address Function..................................................... 108
Window Address Function ................................................................................. 110
Graphics Operation Function .............................................................................. 111
Graphics Operation ................................................................................................................ 111
Write-data Mask Function ..................................................................................................... 112
Graphics Operation Processing Examples ............................................................................. 112
γ-Correction Function ......................................................................................... 116
Configuration of Grayscale Amplifier ................................................................................... 117
γ-Correction Register ............................................................................................................. 119
Ladder resistors and 8-to-1 selector ....................................................................................... 120
Variable resistor..................................................................................................................... 120
Relationship between RAM data and output level................................................................. 126
8-color Display Mode ......................................................................................... 127
System Configuration ......................................................................................... 129
Configuration of Power Generation Circuit........................................................ 130
Specification of External Elements Connected to HD66787 Power Supply ...... 131
Instruction Setting Flow...................................................................................... 132
Power Supply Setting Flow ................................................................................ 134
Pattern Diagram for Voltage Setting................................................................... 135
Oscillation Circuit............................................................................................... 136
n-raster-row inversion AC drive ......................................................................... 137
AC Timing ......................................................................................................... 138
Frame-Frequency Adjustment Function ............................................................. 139
Relationship between Liquid Crystal Drive Duty and Frame Frequency .............................. 139
Rev.0.22, May.23.2003, page 3 of 159