528-Channel / One-Chip Driver for Low Temperature Poli-Si TFT Panels

Preliminary HD66787 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 Incorporated Gate Drivers REJxxxxxxx-xxxx Rev.0.22 10 June, 2003 Description ......................................................................................................... 5 Features ......................................................................................................... 6 Block Diagram .................................................................................................... 7 Pin Functions ...................................................................................................... 8 PAD Arrangement............................................................................................... 15 PAD Coordinate.................................................................................................. 16 BUMP Arrangements (T.B.D.) ........................................................................... 18 Block Function.................................................................................................... 19 1. System Interface ............................................................................................................... 19 2. External Display Interface ................................................................................................ 20 3. Bit Operations ................................................................................................................... 20 4. Address Counter (AC) ...................................................................................................... 20 5. Graphics RAM (GRAM) .................................................................................................. 20 7. Timing Generator.............................................................................................................. 20 8. Oscillation Circuit (OSC) ................................................................................................. 21 9. LCD Driver Circuit........................................................................................................... 21 10.LCD Drive Power Supply Circuit..................................................................................... 21 GRAM Address MAP......................................................................................... 22 Instructions ......................................................................................................... 29 Outline ................................................................................................................................... 29 Instruction Descriptions ......................................................................................................... 30 Index ...................................................................................................................................... 30 Status Read ............................................................................................................................ 31 Start Oscillation (R00h) ......................................................................................................... 31 Rev.0.22, May.23.2003, page 1 of 159 HD66787 Preliminary Driver Output Control (R01h)................................................................................................ 31 LCD Driving Waveform Control (R02h)............................................................................... 33 Entry Mode (R03h) Compare Register 1 (R04h) Compare Register 2 (R05h) ..................... 34 Display Control 1 (R07h)....................................................................................................... 36 Display Control 2 (R08h)....................................................................................................... 38 Frame Cycle Control (R0Bh)................................................................................................. 40 External Display Interface Control (R0Ch) ........................................................................... 43 LTPS Interface Control (R0Dh)............................................................................................. 47 Power Control 1 (R10h) Power Control 2 (R11h) ................................................................. 51 Power Control 3 (R12h) Power Control 4 (R13h) ................................................................. 54 RAM Address Set (R21h)...................................................................................................... 56 Write Data to GRAM (R22h)................................................................................................. 57 RAM Access through RGB-I/F and System I/F..................................................................... 62 Read Data Read from GRAM (R22h).................................................................................... 63 RAM Write Data Mask (R23h) RAM Write Data Mask (R24h) ........................................... 66 γ Control (R30h to R39h)....................................................................................................... 67 Vertical Scroll Control (R41h)............................................................................................... 68 1st-Screen Drive Position (R42h) 2nd-Screen Drive Position (R43h)................................... 68 Horizontal RAM Address Position (R44h) Vertical RAM Address Position (R45h) ............ 69 Instruction List .................................................................................................... 70 Reset Function .................................................................................................... 71 Interface Specifications....................................................................................... 73 System Interface.................................................................................................. 75 80-system 18-bit interface...................................................................................................... 76 80-system 16-bit interface...................................................................................................... 77 80-system 9-bit interface........................................................................................................ 78 Data transmission synchronizing in 9-bit bus interface mode................................................ 79 80-system 8-bit interface........................................................................................................ 79 Data transmission synchronization in 8-bit bus interface mode............................................. 81 Serial Peripheral interface (SPI) ............................................................................................ 82 VSYNC Interface................................................................................................ 85 Conditions on using VSYNC interface .................................................................................. 87 External Display Interface .................................................................................. 89 RGB interface ........................................................................................................................ 89 VLD and ENABLE signals.................................................................................................... 90 RGB interface timing ............................................................................................................. 90 Moving picture display .......................................................................................................... 92 RAM access through system interface in RGB-I/F mode ...................................................... 92 6-bit RGB interface................................................................................................................ 93 Data transmission synchronization in 6-bit RGB interface mode .......................................... 93 16-bit RGB interface.............................................................................................................. 94 18-bit RGB interface.............................................................................................................. 95 Rev.0.22, May.23.2003, page 2 of 159 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 Conf