HD66781 Datasheet, PDF (34/196 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
Preliminary
Basic Operation modes
The basic operation modes of HD66781 and transitions between the modes are illustrated as follows. A
transition between the modes must be made according to the instruction setting flow.
STB=1
Sleep
mode
STB=0(at SLP=1) _Oscillation
Start
OSC =1
Stand-by release
Standby
mode
Sleep release
Sleep
set
STB = 0
Standby
release
STB = 1
Standby set
Display
OFF
Initialization
Reset
state
Reset
Display OFF flow
(Power OFF flow)
DSTB = 1
Deep standby
set
Display ON flow
(Power ON flow)
Deep standby release flow
Deep standby
mode
moving picture display _{VSYNC i/F flow 2}
(DM=10, RM=0)
VSYNC
interface
VSYNC i/F flow 1
(DM=00, RM=0)
Internal clock
display
RGB i/F (1) flow 1
(DM=01, RM=1)
RGB i/F (1) flow 2
(DM=00, RM=0)
System i/F access
moving picture display _{RGB i/F (2) flow 1 while displaying moving picture}
RGB
(DM=01, RM=0)
RGB
interface (1)
RGB i/F(2) flow 2
interface (2)
(DM=01, RM=1)
Partial display flow 2 Partial display flow 1
Partial
Display
Panel control
Display color
control
BASEE =1
OSDE =1
Base image
display
BASEE =1
OSDE=0
OSD display
BASEE =1
OSDE =1
BASEE =0
OSDE =1
Base image
display
BASEE=1
OSDE=0
BASEE =0
OSDE =1
OSD image
display
(partial display)
262k-color
mode
262k
Low power
consumption
display mode
8
262k
color flow
262k 8
color flow
Low power
consumption
display mode
262k
8-color
mode
Low power
consumption
display mode
Basic operation modes
Rev.0.5, July.31.2003, page 34 of 196