ks0074 Samsung Semiconductor, Inc., ks0074 Datasheet - Page 53

• Manufacturer Part Number: ks0074
• Description: 34com/80seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0074
2) 4-bit interface mode
RS
RS
RS
RS
RS
0
0
0
0
0
0
0
0
0
RW
RW
RW
RW
RW
0
0
0
0
0
0
0
0
0
DB7
DB7
DB7
DB7
DB7
0
N
0
0
1
0
0
0
0
Wait for more than 39 s
Wait for more than 1.53ms
Wait for more than 39 s
Wait for more than 39 s
DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB6 DB5 DB4 DB3 DB2 DB1 DB0
Wait for more than 20 ms
after VDD rises to 4.5V
0
0
x
0
D
0
0
0
1
Dsplay ON/OFF Control
Initialization end
Entry ModeSet
Clear Dsplay
I/D
Power on
1
1
x
0
C
0
0
0
Function set
Function set
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
DL
(0)
0
x
0
B
0
1
0
S
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
(DL=“0”)
x
x
x
x
x
x
x
x
x
DL
I/D
N
D
C
S
B
Condition: 270 kHz
0
1
0
0
1
1
0
1
1
0
1
0
0
1
decrement mode
increment mode
entire shift off
entire shift on
4-bit interface
8-bit interface
1-line mode
2-line mode
display on
cursor on
display off
cursor off
blink off
blink on