LC74775, 74775M
COMMAND0 (Display memory write address setup command)
• First byte
DA 0 to 7
7
6
5
4
3
2
1
0
Register
–
–
–
–
V3
V2
V1
V0
State
1
0
0
0
0
1
0
1
0
1
0
1
Contents
Function
Command 0 identification code.
Display memory write address setup.
Display memory line address (0 to B hexadecimal)
Notes
• Second byte
DA 0 to 7
Register
State
Contents
Function
7
–
0
Second byte identification bit
6
–
0
5
–
0
0
4
H4
1
0
3
H3
1
0
Display memory column address (0 to 17 hexadecimal)
2
H2
1
0
1
H1
1
0
0
H0
1
Note: All registers are set to 0 when the LC74775/M is reset by the RST pin.
Notes
COMMAND1 (Display character data write setup command)
• First byte
DA 0 to 7
7
6
5
4
3
2
1
0
Register
–
–
–
–
–
–
–
–
State
1
0
0
1
0
0
0
0
Contents
Function
Command 1 identification code.
Display character data write mode setup.
Notes
When this command is input, the LC74775/M
locks in the display character data write mode
until the CS pin goes high.
No. 5919-10/35