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Part Number |
HD66781 |
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Manufacturer |
Renesas Technology |
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Semiconductor DataSheet |
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DataSheet View |
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Preliminary
HD66781
720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM
REJxxxxxxx-xxxxZ Rev.0.5 July.31.2003 • Index
Description ......................................................................................................... 6 Features ......................................................................................................... 7
Block Diagram .................................................................................................... 8 Pin Functions ...................................................................................................... 9
HD66781 power-supply specification.................................................................................... 14
Pad Arrangement................................................................................................. 15 Pad Coordinate.................................................................................................... 16 Bump Arrangement............................................................................................. 18 Example of Connecting HD66781 and HD66783 .............................................. 19 Example of Connecting HD66781 and HD667P21 ............................................ 20 Block Function.................................................................................................... 21
(1) System interface................................................................................................................ 21 (2) External Display Interface (RGB I/F, VSYNC I/F).......................................................... 22 (3) Address Counter (AC) ...................................................................................................... 22 (4) Graphic RAM (GRAM).................................................................................................... 22 (5) Grayscale Voltage Generation Circuit .............................................................................. 22 (6) Timing generator............................................................................................................... 23 (7) Oscillation Circuit (OSC) ................................................................................................. 23 (8) Liquid Crystal Display Driver Circuit .............................................................................. 23 (9) Gate driver/power supply IC interfacing circuit ............................................................... 23
GRAM Address MAP......................................................................................... 24
Relation between GRAM addresses and Screen positions (SS=0, BGR=0) .......................... 24 Relation between GRAM data and Display data (SS=0, BGR=0)......................................... 25 Relation between GRAM address and Screen position (SS=1, BGR=1)............................... 28 Relation between GRAM data and Display data (SS=1, BGR=1)......................................... 29
Rev. 0.5, July.31.2003, page 1 of 196
HD66781
Preliminary
Instruction ......................................................................................................... 32
Outline ................................................................................................................................... 32 Instruction data format ........................................................................................................... 33
Basic Operation modes ....................................................................................... 34
Index/Status/Display control instruction................................................................................ 35 Index (IR)............................................................................................................................... 35 Status read (SR) ..................................................................................................................... 35 Start Oscillation (R000h) ....................................................................................................... 35 Driver Output Control (R001h).............................................................................................. 36 LCD Driving Wave Control (R002h) .................................................................................... 36 Entry Mode 1 (R003h) ........................................................................................................... 37 Resizing Control 1/2 (R004/R005h) ...................................................................................... 42 Display Control 1 (R007h)..................................................................................................... 44 Display Control 2 (R008h)..................................................................................................... 46 Display Control 3 (R009h)..................................................................................................... 47 Display Control 4 (R00Bh) .................................................................................................... 49 External Display interface Control 1 (R00Ch)....................................................................... 51 Frame Cycle Control (R00Dh)............................................................................................... 54 External Display Interface Control 2 (R00Eh)....................................................................... 55 External Display Interface Control 3 (R00Fh)....................................................................... 55 Gate Driver/LTPS LCD Panel Interface Control 1 (R010h).................................................. 56 Gate Driver/LTPS LCD Panel Interface Control 2 (R011h).................................................. 57 Gate Driver/LTPS LCD Panel Interface Control 3 (R012h).................................................. 58 Gate Driver/LTPS LCD Panel Interface Control 4 (R013h).................................................. 59 Gate Driver/LTPS LCD Panel Interface Control 5 (R015h).................................................. 60 Gate Driver/LTPS LCD Panel Interface Control 6 (R016h).................................................. 61 Gate Driver/LTPS LCD Panel Interface Control 7 (R017h).................................................. 62 Gate Driver/LTPS LCD Panel Interface Control 8 (R018h).................................................. 63 Gate Driver/LTPS LCD Panel Interface Control 9 (R019h).................................................. 64 Gate Driver/LTPS LCD Panel Interface Control 10 (R01Bh) ............................................... 65 Power control 1 (R100h)........................................................................................................ 68 Gate Driver/ Power Supply IC Interface Control 1 (R110h).................................................. 70 Gate Driver/ Power Supply IC Interface Control 2 (R111h).................................................. 70 Setting examples .................................................................................................................... 72 Common registers for HD66783 and HD667P21 .................................................................. 73 Registers of HD66783............................................................................................................ 73 Registers of HD667P21 ......................................................................................................... 74 RAM Address set in horizontal/vertical directions (R200h/R201h) ...................................... 76 RAM Access through RGB-I/F and System I/F..................................................................... 86 RAM Write Data Mask 1/2 (R203h/R204h) .......................................................................... 89 Window Address Control Instructions................................................................................... 90 γ Control (R300h ~ R309h).................................................................................................... 91 Base image display control instructions................................................................................. 92
Instruction list ..................................................................................................... 96 Reset Function .................................................................................................... 98
Rev.0.5, July.31.2003, page 2 of 196
HD66781
Preliminary
RAM Address and Display Position on the Panel .............................................. 99
Notes to the setting of panel control registers ........................................................................ 100 Screen settings ....................................................................................................................... 100 Base image display ................................................................................................................ 100
OSD and α blending functions ........................................................................... 102
OSD image data format.......................................................................................................... 103 OSD image display setting..................................................................................................... 103
Resizing function ................................................................................................ 105
Contraction............................................................................................................................. 105 Resizing setting...................................................................................................................... 106 Instructions for Resizing ............................................................... |
