HD66781 Datasheet, PDF (110/196 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
The following figure illustrates the relationship of RAM address, display position and panel driving
position when a base image is magnified in the vertical direction.
RESV[1:0] = 2’h1
Base image
NL
RAM
magnified
display
area
LCD panel
physical line address
Display panel
00((11lliinnee))
1(2lines)
2(3lines)
(ESA - BSA)
(ESA - BSA)
(ESA - BSA +1)
㬍2
(ESA - BSA +1)
(EEA - BSA – 1)
(EEA - BSA – 1)
(EEA - BSA)
(EEA - BSA)
(EEA - BSA + 1)
n-1
RAM line address
9’h000
BSA
ESA
EEA
EEA + 1
BEA
Base image
RAM
magnified
area
Base image
RAM
area
Note 1) BSA҇ ESA҇ EEA҇ BEA
Note 2) The RAM area of a base image outside the NL range
is not displayed on a panel.
9’h19F
Rev.0.5, July.31.2003, page 110 of 196