No. 7191-13/50
LC74735W
Command 10 (Main screen display character data write setting command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
—
1
6
—
0
Command 1 identification code
5
—
0
Display character data write setting
4
—
1
3
—
0
Sub-identification code 0
2
—
0
1
RM2
0
1
0
RM1
0
1
Second byte (1)
DA0 to 7
Register
Content
Notes
State
Function
7
—
0
6
—
0
5
at
0
Blinking off
Blinking specification
1
Blinking on
4
BXS
0
Protruding
Box specification: raised/recessed
1
Recessed
3
BXL
0
None
Box specification: left side
1
Box displayed
2
BXR
0
None
Box specification: right side
1
Box displayed
1
BXU
0
None
Box specification: top
1
Box displayed
0
BXD
0
None
Box specification: Bottom
1
Box displayed
When this command has been issued, the IC
remains in display character data write mode until
the CS pin is set high.
RM2
0
0
1
1
RM1
0
1
0
1
Mode
(1)(2)(3)(4)
(1)(2)(3)(4)
(3)(4)
(2)(3)(4
End
Continuous
Continuous
Continuous
Continuous write mode selection
Second byte (2)
DA0 to 7
Register
Content
Notes
State
Function
7
CB3
[MSB]
0
1
6
CB2
0
1
5
CB1
0
1
4
CB0
[LSB]
0
1
3
CC3
[MSB]
0
1
2
CC2
0
1
1
CC1
0
1
0
CC0
<LSB>
0
1
Character background color specification
0000 to 1111, or 0 to F (hexadecimal)
Character color specification
0000 to 1111, or 0 to F (hexadecimal)
Character background color specification
When a character glyph is specified, 1 of 16 colors
may be selected.
Character color specification
When a character glyph is specified, 1 of 16 colors
may be selected.
*
: This register is set to the all bits zero state when the IC is reset by the RST pin.