Preliminary
HD66789
528-channel, One-chip Driver for Amorphous TFT Panels
with 262,144-color display RAM, Power Supply Circuit, and
Gate Circuit
REJxxxxxxx-xxxx
Rev.0.12
10 June, 2003
Description ......................................................................................................... 5
Features
......................................................................................................... 6
Block Diagram.................................................................................................... 7
Pin Functions ...................................................................................................... 8
PAD arrangement................................................................................................ 14
PAD Coordinate.................................................................................................. 15
BUMP Arrangements.......................................................................................... 17
Block Function.................................................................................................... 18
1. System Interface ............................................................................................................... 18
2. External Display Interface ................................................................................................ 19
3. Bit Operations................................................................................................................... 19
4. Address Counter (AC) ...................................................................................................... 19
5. Graphics RAM (GRAM) .................................................................................................. 19
7. Timing Generator.............................................................................................................. 19
8. Oscillation Circuit (OSC) ................................................................................................. 20
9. LCD Driver Circuit........................................................................................................... 20
10.Liquid crystal drive power supply circuit ......................................................................... 20
GRAM Address MAP......................................................................................... 21
Instructions ......................................................................................................... 28
Outline ................................................................................................................................... 28
Instructions ............................................................................................................................ 29
Index ...................................................................................................................................... 29
Status Read ............................................................................................................................ 30
Start Oscillation (R00h) ......................................................................................................... 30
Driver Output Control (R01h)................................................................................................ 30
LCD Driving Wave Form Control (R02h)............................................................................. 32
Entry Mode (R03h) Compare Register 1 (R04h) Compare Register 2 (R05h) ..................... 33
Rev.0.12, May.08.2003, page 1 of 156
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