RA6963
Preliminary Version 1.3
Dot Matrix LCD Controller
(Example 2) The relationship between Display RAM data and display characters
(RAM Data)
21h
(Character)
A
B
ABγDEζGH
22h
:
:
:
:
83h
11h
D
24h
25h
E
86h
14h
G
27h
28h
H
Display Character
< Figure 6-5 >
The “γ” and “ζ” are displayed by character generator RAM.
6-6-3 Set Address Pointer
The Set Address Pointer command is used to indicate the start address for writing to (or reading
from) External RAM.
The Flowchart for Set Address Pointer Command
Set Address Pointer
Status Check
Set Address Data
(Lower 8 bits)
STA0, 1
Status check
Set Address Data
(Upper 8 bits)
Status Check
Set Command 24h
Send Set Address Pointer command
END
< Figure 6-6 >
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