HD66781 Datasheet, PDF (101/196 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
Following figure shows the relationship among RAM address, display position, and panel drive.
G1
G2
G3
G4
G5
SCN
NL
( n line)
LCD panel
physical line address
Display panel
0(1line)
1(2lines)
2(3lines)
ODP0
OSD image 1 display area
ODP1
OSD image 2 display area
RAM line address
9’h000
BSA
Base image
RAM area
ODP2
OSD image 3 display area
n-1
BEA
OSA0
G317
G318
G319
G320
OEA0
OSA1
OEA1
OSA2
Note: This figure shows the definition of address in relation to a display.
The address for writing RAM data is defined by the window address.
OEA2
9’h19F
Display RAM address and panel display position
OSD image
RAM area
OSD image
RAM area
OSD image
RAM area
Rev.0.5, July.31.2003, page 101 of 196