S1D13305D00A EPSON [Epson Company], S1D13305D00A Datasheet - Page 59

• Manufacturer Part Number: S1D13305D00A
• Description: LCD Controller ICs
• Manufacturer: EPSON [Epson Company]

9.5.4. Bidirectional scrolling
Bidirectional scrolling can be performed only if the
display memory is larger than the physical screen both
horizontally and vertically. Although scrolling is nor-
mally done in single-character units, the HDOT SCR
9.5.5. Scroll units
Tale 19. Scroll units
S1D13305 Series
Technical Manual
Text
Graphics
Note that in a divided screen, each block cannot be indepen-
dently scrolled horizontally in pixel units.
Mode
Before scrolling
After scrolling
Characters
Pixels
Vertical
BC
FG
TUV
EFG
TUV
Pixels or
characters
Pixels
Figure 43. Bidirectional scrolling
Horizontal
1234
56
12
EPSON
command can be used to scroll horizontally in pixel units.
Single-pixel scrolling both horizontally and vertically
can be performed by using the SCROLL and HDOT SCR
commands. See Section 16.4
A
ABC
DISPLAY CONTROL FUNCTIONS
BC
E FG
EFG
TUV
TUV
Display memory
C/R
AP
12
1234
56 7
34
567
89
89
53