SPLC782A
Sunplus Technology Co., Ltd.
Proprietary & Confidential
11
FEB. 15, 2005
Version: 1.7
NO.
Instruction
Display
Operation
12 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.
13 Entry mode set
0
0
0
0
0
1
1
1
0
0
WELCOME
TO PART_
When writing, it sets mode for the display shift.
14 Write data to CG RAM / DD RAM
SunpusConidenia
0
1
0
1
1
0
0
1
1
0
ELCOME
O PARTY_
Write " Y ".
The cursor is incremented by one and shifted to the right.
15
:
:
16 Return home
0
0
0
0
0
0
1
0
0
0
WELCOME
TO PARTY
Both the display and the cursor return to the original position (address 0).
Figure 5-19:
8-Bit Operation and 16-Digit 2-Line Display
5.7. Reset Function
At power on, it starts the internal auto-reset circuit and executes the initial instructions. There are the initial procedures shown as belows:
Figure 5-20:
Reset Function (8-bit Interface)
Power On
Wait time > 15 ms
after Vdd > 4.5V
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
0 0 0 0 1 1 X X X X
Wait time > 4.1 ms
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
0 0 0 0 1 1 X X X X
Wait time > 100 us
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
0 0 0 0 1 1 X X X X
RS R/W DB7 DB6 DB5 DB4 DB3 DB3 DB1 DB0
0 0 0 0 1 1 N F X X
0 0 0
0 0 0 1
0
0 0
0 0 0
0 0 0 0
0
0 1
0 0 0
0 0 0 0
1
I/D
S
Initialization Ends
BF cannot be checked before this instruction .
Function set ( Interface is 8 bits length . )
BF cannot be checked before this instruction .
Function set ( Interface is 8 bits length . )
BF cannot be checked before this instruction .
Function set ( Interface is 8 bits length . )
BF can be checked after the following
instructions .
Function set ( Interface is 8 bits length .
Specify the number of display lines and character font . )
The number of display lines and character font cannot be changed afterwards .
Display off
Display clear
Entry mode set
[ 8-Bit Interface ]
Wait time > 40ms
After VDD > 2.7V
Fo PARTMNERUseOny