
SPLC780D
6.5. 4-Bit Operation and 8-Digit 1-Line Display (Using Internal Reset)
Sunplus Technology Co., Ltd.
Proprietary & Confidential
10
NOV. 04, 2004
Version: 1.2
No.
Instruction
Display
Operation
1
Power on.
(SPLC780D starts initializing)
Power on reset. No display.
2
Function set
RS R/W
DB7
DB6 DB5
0
0
1
0
0
0
DB4
Set to 4-bit operation.
3
0
0
1
0
0
0
0
0
X
X
0
0
Set to 4-bit operation and select 1-line display line and character font.
4
0
0
0
0
0
0
1
1
1
0
0
0
_
Display on.
Cursor appears.
5
0
0
0
0
0
0
0
1
1
0
0
0
_
Increase address by one.
It will shift the cursor to the right when writing to the DD RAM / CG RAM.
Now the display has no shift.
6
0
1
0
1
1
0
0
1
1
1
1
0
W_
Write " W ".
The cursor is incremented by one and shifted to the right.
6.6. 8-Bit Operation and 8-Digit 2-Line Display (Using Internal Reset)
No.
Instruction
Display
Operation
1
Power on.
(SPLC780D starts initializing)
Power on reset. No display.
2
Function set
RS R/W
DB7
DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
1
1
1
0
X
X
0
0
Set to 8-bit operation and select 2-line display line and 5 x 8 dot
character font.
3
Display on / off control
0
0
0
0
1
1
1
0
0
0
_
Display on.
Cursor appear.
4
Entry mode set
0
0
0
0
0
1
1
0
0
0
_
Increase address by one.
It will shift the cursor to the right when writing to the DD RAM /
CG RAM.
Now the display has no shift.
5
Write data to CG RAM / DD RAM
0
1
0
1
0
1
1
1
1
0
W_
Write " W ".
The cursor is incremented by one and shifted to the right.
6
:
:
:
7
Write data to CG RAM / DD RAM
0
1
0
0
0
1
0
1
1
0
WELCOME_
Write " E ".
The cursor is incremented by one and shifted to the right.
8
Set DD RAM address
1
1
0
0
0
0
0
0
0
0
WELCOME
_
It sets DD RAM's address.
The cursor is moved to the beginning position of the 2nd line.
9
Write data to CG RAM / DD RAM
0
1
0
1
0
1
0
0
1
0
WELCOME
T_
Write " T ".
The cursor is incremented by one and shifted to the right.
10
:
:
:
11
Write data to CG RAM / DD RAM
0
1
0
1
0
1
0
0
1
0
WELCOME
TO PART_
Write " T ".
The cursor is incremented by one and shifted to the right.
SunpusConidenia
Fo PARTMNERUseOny