EM65101
128COM/160SEG 16 Gray Scale Level LCD Driver
Set the scroll top address and scroll bottom address to define the area of scrolling data
in RAM
Example:
160 X 128 Line display RAM
RAM address
2004/11/18
AM 8:00
Top fixed area
Scroll data area
2
Scroll top address
Scroll bottom address
125
Bottom fixed area
Menu
Phone book
Figure 7-19 Setting the Scrolling Data Area in RAM
Set the scroll specified address according to the panel size and duty selection to
specify the address to which to jump relative to the scroll bottom address. Then display
the fixed bottom data area. Note that scroll specified address = scroll top address +
panel scroll area – 1
Example: (160 x 128 Line panel; 1/32 duty, partial display)
160 X 128 Line display RAM
RAM address
1/32 duty partial display
COM 0
COM 2
2
Scroll top address
Scroll specified
address
COM 29
COM 31
29
jump to bottom
address
125
Scroll bottom address
(setting specified address=29)
COM 0
COM 2
2
COM 29
COM 31
Scroll specified
address
31
jump to bottom
address
125
(setting specified address=31)
Figure 7-20 Setting the Scroll Bottom Address of a Scrolling Area
36 •
Product Specification (V0.4) 08.15.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
