S6A0074 Datasheet, PDF (22/68 Pages) Samsung semiconductor – 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

S6A0074
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
INSTRUCTION DESCRIPTION 1 (IE = "HIGH")
Instruction RE
Table 6. Instruction Set 1
Instruction Code
Description
Executi
on Time
Clear
display
Return
home
Power
down
mode
Entry
mode set
Display
ON/OFF
control
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
(fosc =
270kHz)
X 0 0 0 0 0 0 0 0 0 1 Write "20H" to DDRAM. and set
DDRAM address to "00H" from
AC.
1.53ms
0 0 0 0 0 0 0 0 0 1 x Set DDRAM address to "00H" from 1.53ms
AC and return cursor to its original
position if shifted. The contents of
DDRAM are not changed.
1 0 0 0 0 0 0 0 0 1 PD Set power down mode bit.
PD = "1": power down mode set,
PD = "0": power down mode
disable
39µs
0 0 0 0 0 0 0 0 1 I/D S Assign cursor moving direction.
I/D = "1": increment,
I/D = "0": decrement and display
shift enable bit.
S = "1": make display shift of the
enabled lines by the DS4
- DS1 bits in the shift enable
instruction.
S = "0": display shift disable
39µs
1 0 0 0 0 0 0 0 1 1 B/D Segment bi-direction function.
BID = "0": Seg1 → Seg80,
BID = "1": Seg80 → Seg1.
0 0 0 0 0 0 0 1 D C B Set display/cursor/blink on/off
D = "1" : display on,
D = "0" : display off,
C = "1" : cursor on,
C = "0" : cursor off,
B = "1" : blink on,
B = "0" : blink off.
39µs
22