LC74730M
Second byte
DA0 to DA7 Register name
State
Register content
Function
0 Character attributes off
7
at
1 Character attributes on
6
—
0
0
5
c5
1
0
4
c4
1
0
3
c3
1
Character code (00 to 3F hexadecimal)
0
2
c2
1
0
1
c1
1
0
0
c0
1
Note: All these registers are set to 0 by a reset due to the RST pin.
z COMMAND 2 (Vertical display start position and vertical size setup command)
First byte
DA0 to DA7
7
6
5
4
3
2
1
0
Register name
—
—
—
—
VS21
VS20
VS11
VS10
State
1
0
1
0
0
1
0
1
0
1
0
1
Register content
Function
Command 2 identification code
Sets up the vertical display position and the character size
in the vertical direction.
VS21
VS20
0
0
1 H per dot
1
3 H per dot
VS11
VS10
0
0
1 H per dot
1
3 H per dot
1
2 H per dot
1 H per dot
1
2 H per dot
1 H per dot
Note
Note
Vertical character size for the second line
Vertical character size for the first line
No. 4247-7/14