S6A0074 Datasheet, PDF (51/68 Pages) Samsung semiconductor – 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
S6A0074
4-BIT INTERFACE MODE
Power On
Wait for more than 20ms after
VDD rises to 4.5V
Wait for more than 30ms after
VDD rises to 2.7V
Function Set
(DL = "0")
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0 0 0 0 1 DL(0) x x x x
Wait for more than 39 µs
Function Set
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
000010x x x x
00Nx x x x x x x
Wait for more than 39 µs
Display ON/OFF Control
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
000000x x x x
0 0 1DCB x x x x
Wait for more than 39 µs
Display Clear
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
000000x x x x
000001x x x x
Wait for more than 1.53 ms
Entry Mode Set
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
000000x x x x
0 0 0 1 I/D SH x x x x
Initialization End
Condition: fosc = 270kHz
0
DL
1
0
N
1
4-bit interface
8-bit interface
1-line mode
2-line mode
0
D
1
0
C
1
0
B
1
Display off
Display on
Cursor off
Cursor on
Blink off
Blink on
0 Decrement mode
I/D
1 Increment mode
0
S
1
Entire shift off
Entire shift on
51