HD66787 datasheet(3/159 Pages) RENESAS

Part #	HD66787

Description	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

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Manufacturer	RENESAS [Renesas Technology Corp]

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HD66787

Preliminary

Rev.0.22, May.23.2003, page 3 of 159

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

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