
EPSON
8–23
SED1240 Series
SED1240
Series
Table 8 SED1240 Series Command Table
Command
Code
Function
RE
A0
WR
D7
D6
D5
D4
D3
D2
D1
D0
(1) Cursor
0
1
****
Moves the cursor to the home position.
Home/
(Set the address to 30H.)
Line
1
0
1
*
LS1 LS0 Specifies the number of display scrolls in units of line.
Scroll
Control
(2) Line
0
1
0
LB4 LB3 LB2 LB1 Exerts blink control for each specified line.
Blink/
LB4 = 1 (Blinks the display for line 4 of DDRAM in
Vertical
black-and-white reverse form.)
Double-
LB4 = 0 (Does not blink the display for line 4 of
size
DDRAM.)
Display
LB3 = 1 (Blinks the display for line 3 of DDRAM in
Control
black-and-white reverse form.)
LB3 = 0 (Does not blink the display for line 3 of
DDRAM.)
LB2 = 1 (Blinks the display for line 2 of DDRAM in
black-and-white-reverse form.)
LB2 = 0 (Does not blink the display for line 2 of
DDRAM.)
LB1 = 1 (Blinks the display for line 1 of DDRAM in
black-and-white reverse form.)
LB1 = 0 (Does not blink the display for line 1 of
DDRAM.)
1
0
1
0
DD4 DD3 DD2 DD1 Displays the specified DDRAM line in vertical double-
size form.
DD4 = 1(Displays the data for line 4 of DDRAM in
vertical double-size form.)
DD4 = 0(Displays the data for line 4 of DDRAM in
standard form.)
DD3 = 1(Displays the data for line 3 of DDRAM in
vertical double-size form.)
DD3 = 0( Displays the data for line 3 of DDRAM in
standard form.)
DD2 = 1(Displays the data for line 2 of DDRAM in
vertical double-size form.)
DD2 = 0(Displays the data for line 2 of DDRAM in
standard form.)
DD1 = 1(Displays the data for line 1 of DDRAM in
vertical double-size form.)
DD1 = 0(Displays the data for line 1 of DDRAM in
standard form.)
LS1 LS0 Function
0
Scroll amount 0 line
0
1
One-line upward scroll
1
0
Two-line upward scroll
1
Three-line upward scroll