Datasheet

DEM 20486 SYH-LY Product Specification
Version: 5 PAGE: 1
12-2 4-Bit Interface Mode
Power on
Wait time > 40ms
Condition: fosc=270khz
After V
DD
> 4.5v
Function set
RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
N
0 1-line mode
0 0 0 0 1 0 X X X X 1 2-line mode
0 0 0 0 1 0 X X X X
F
0 5 x 8 font
0 0 N F X X X X X X 1 5 x 11 font
Wait for more than 37us
Display on/off control
D
0 display off
RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1 Display on
0 0 0 0 0 0 X X X X C 0 cursor off
0 0 1 D C B X X X X 1 cursor on
B
0 blink off
1 blink on
Wait for more than 37us
Display clear
RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0 0 0 0 0 0 X X X X
0 0 0 0 0 1 X X X X
Wait for more than 1.52ms
Entry mode set
I/D
0 decrement mode
RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 1 increment mode
0 0 0 0 0 0 X X X X
SH
0 entire shift off
0 0 0 1 I/D SH X X X X 1 entire shift on
Initialization end