RA6963
Preliminary Version 1.3
Dot Matrix LCD Controller
5-4 Misc. Interface
< Table 5-4 >
Pin Name
I/O
Description
Scan Select
DUAL = Low Æ Dual-Scan Mode.
DUAL = High Æ Signal-Scan Mode.
I
DUAL
LCD Size Selection
One Screen:
DUAL
MDS
H
L
H
L
H
L
H
L
H
H
H
H
H
H
H
H
L
MD1
H
H
2
H
L
L
L
H
H
L
MD0
H
6
L
H
L
H
L
Lines
V-Dots
4
8
10
80
12
96
14
16
16
32
48
64
112 128
MDS
MD[1:0]
I
Two Screens:
DUAL
MDS
L
L
L
L
L
L
L
L
L
H
L
H
H
L
L
H
L
L
H
L
MD1
H
H
4
H
L
L
L
H
MD0
H
L
H
H
28
L
Lines
V-Dots
8
12
96
16
20
24
32
32
64
128 160 192 224 256
Crystal Oscillator Input
A crystal oscillator circuit is built in. The oscillation frequency is adjusted
according to the display size. If using an external clock, use the X1 pin as
the clock input. (X2 open.) External capacitors 15 to 20pF.
X1
X2
I
O
Crystal Oscillator Output
Font Selection
FS0
FS1
Font
H
H
L
H
H
L
L
L
FS[1:0]
I
5 X 8
6 X 8
7 X 8
8 X 8
Columns Selection
MD2
MD3
H
H
L
H
H
L
L
L
MD[3:2]
SDSEL
I
I
Columns
32
40
64
80
Data Transfer Mode
SDSEL= Low Æ Sending data by simple serial mode.
SDSEL= High Æ Sending data by odd/even separtion mode.
RAiO TECHNOLOGY INC.
www.raio.com.tw
8/46
RAIO [ RAIO TECHNOLOGY INC. ]
