3.1.4
LCD
Interface
(
1) Available driver
HD44
102B (Ten)
............
Segment driver
Display
RAM
200 byte
HD44 103B (Two)
............
Common driver
(2)
Available LCD
LR-202C
Number of dots
240
x
64
(3) Function of display
*
1
*
Number of display characters
40
characters
x
8
rows
(Display duty is
1132s.)
*2*
Configuration of character
Both alphanumeric characters and graphic charactors can be displayed.
*3* LCD
I/O
address.
I/O
port
Writing the command to LCD
Reading the status from LCD
*
Display On/Off
The LCD is divided into the following IC blocks. Each block can be
displayed separately.
I
I
240 dots
OUT
FO
DISP DISPLAY
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