HD66781 Datasheet, PDF (8/196 Pages) Renesas Technology Corp – 720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM

HD66781
Block Diagram
Vcc1
IOVcc
IM3~1,IM0/ID
DACK*
CS*
RS
WR/SCL
RD*
DB0/SDI
DB1/SD0
DB2~17
GCS*
GCL
GDA
Index register
(IR)
Control
register
(CR)
System
Interface
18 bit
16 bit
9 bit
8 bit
SPI
18
BGR Circuit
Power-supply IC/
gate driver interface
(serial)
Address
counter
18
18
Write data
latch
18
Read data
latch
Graphic RAM
(GRAM)
224,640 bytes
VSYNC
HSYNC
DOTCLK
ENABLE
PD0~17
RESETO
RESET*
OSC3
OSC2
OSC1
TCS
VDD
Vcc
VDDTEST
External
Display
Interface
VSYNC
HSYNC
DOTCLK
ENABLE
PD17-0
CPG
Regulator
Timing
generating
circuit
Internal referene
voltage generation
circuit
Preliminary
RGND
GND
AGND
Vcom
S1-720
V63~0
VGS
DDVDH
VDH
VTEST
V0P
V0N
V63P
V63N
VMON
PMON
FLM
SFTCLK1/CL1
SFTCLK2
DISPTMG
M
EQ
DCLK
BST
Rev.0.5, July.31.2003, page 8 of 196