LGDP4531 Rev 1.15
1
LGDP4531
720-Channel, 262,144-Color One-Chip Driver
with RAM, Power Supply and Gate Circuits
for Amorphous TFT-LCD Panels
Rev 1.15
2007-7-3
Description ...................................................................................................................................................4
Features ........................................................................................................................................................5
Block Diagram .............................................................................................................................................6
Pin Function .................................................................................................................................................7
PAD Arrangement.....................................................................................................................................11
PAD Coordinate ........................................................................................................................................12
Bump Arrangement ....................................................................................................................................18
Block Function ...........................................................................................................................................19
System Interface ....................................................................................................................................19
External Display Interface .....................................................................................................................19
Address Counter (AC) ...........................................................................................................................20
Graphics RAM (GRAM) .......................................................................................................................20
Grayscale Voltage Generating Circuit...................................................................................................20
Timing Generator ..................................................................................................................................20
Oscillator (OSC)....................................................................................................................................20
LCD Driver Circuit................................................................................................................................20
LCD Drive Power Supply Circuit..........................................................................................................20
Internal logic power supply regulator....................................................................................................20
GRAM Address MAP ................................................................................................................................21
Instructions.................................................................................................................................................29
Outline ...................................................................................................................................................29
Instruction Data Format.........................................................................................................................29
Instruction Description ..........................................................................................................................31
Index (IR) ..............................................................................................................................................31
Device code read (R00h) .......................................................................................................................31
Driver output control (R01h).................................................................................................................31
LCD Driving Wave Control (R02h) ......................................................................................................31
Entry Mode (R03h)................................................................................................................................32
Resizing Control (R04h)........................................................................................................
................35
Display Control 1 (R07h) ......................................................................................................................36
Display Control 2 (R08h) ......................................................................................................................37
Display Control 3 (R09h) ......................................................................................................................38
Display Control 4 (R0Ah) .....................................................................................................................39
External Display Interface Control 1 (R0Ch) ........................................................................................40
Frame Maker Position (R0Dh) ..............................................................................................................42
External Display Interface Control 2 (R0Fh).........................................................................................42
Power Control 1 (R10h).........................................................................................................................43
Power Control 2 (R11h).........................................................................................................................45
Power Control 3 (R12h).........................................................................................................................46
Power Control 4 (R13h).........................................................................................................................47
Regulator Control (R15h).....................................................................................................................48
IPS Control (R16h)...............................................................................................................................49
RAM Address Set (Horizontal Address) (R20h) ...................................................................................50
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