
No. 5729-10/23
LC74786, 74786M, 74786JM
COMMAND1 (Display character data write setup command)
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
—
1
6
—
0
Command 1 identification code.
5
—
0
Sets up display character data write mode.
4
—
1
3
—
0
2
—
0
1
—
0
at
0
Character attribute off
1
Character attribute on
When this command is input, the LC74786/M/JM
locks in the display character data write mode until
the CS pin goes high.
Second byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
c7
0
1
6
c6
0
1
5
c5
0
1
Character code (00 to 7F hexadecimal)
4
c4
0
1
(FE (hex): spacing character)
3
c3
0
(FF (hex): transparent spacing character)
1
2
c2
0
1
c1
0
1
0
c0
0
1
Note: All registers are set to 0 when the LC74786/M/JM is reset by the RST pin.