RA6963
Preliminary Version 1.3
Dot Matrix LCD Controller
< Table 6-9 >
………
0000h
0020h
0040h
0060h
0001h
0021h
0041h
0061h
001Eh
003Eh
005Eh
007Eh
001Fh
002Fh
005Fh
007Fh
………
………
………
6-7-2 Set Graphic Home Address
The starting address of the external display RAM used for graphic display is defined by this
Command. The graphic home address indicates the leftmost and uppermost position.
The Relationship between External Display RAM Address and Display Position
< Table 6-10 >
………
………
………
………
GH + CL
GH
GH + GA + CL
GH + 2GA + CL
GH + 3GA + CL
GH + GA
(GH + GA) + GA
(GH + 2GA) + GA
:
:
:
:
:
:
:
:
:
:
:
:
………
GH + (n-1) GA + CL
GH + (n-1) GA
GH: Graphic Home Address
GA: Graphic Area Number (columns)
CL: Columns are fixed by hardware (pin-programmable).
(Example)
Graphic Home Address
: 0000h
Graphic Area
: 0020h
MD2=H, MD3=H
: 32 columns
: 2 lines
DUAL =H, MDS=L, MD0=H, MD1=H
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