Specifications

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 0 0 0 0 0 1 ****Moves the cursor to the home position.
Home/ (Set the address to 30H.)
Line 1 0 0 0 0 0 1 * * LS1 LS0 Specifies the number of display scrolls in units of line.
Scroll
Control
(2) Line 0 0 0 0 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 0 0 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 0 Scroll amount 0 line
0 1 One-line upward scroll
1 0 Two-line upward scroll
1 1 Three-line upward scroll