Specifications

EPSON 8–27
SED1240 Series
SED1240
Series
• When 2-line scroll has been performed upward at the 2-line display [(LS1, LS2) = (1, 0)]
31H30H 33H32H 35H34H 36H 38H
37H
3AH39H 3CH3BH 3EH 3FH3DH
41H40H 43H42H 45H44H 46H 48H47H 4AH49H 4CH4BH 4EH 4FH4DH
51H50H 53H52H 55H54H 56H 58H57H 5AH59H 5CH5BH 5EH 5FH5DH
61H60H 63H62H 65H64H 66H 68H67H 6AH69H 6CH6BH 6EH 6FH6DH
71H70H 73H72H 75H74H 76H 78H77H 7AH79H 7CH7BH 7EH 7FH7DH
• •
• •
:
• •
• •
:
XXH
DDRAM
address area
DDRAM address
Display area
31H30H 33H32H 35H34H 36H 38H37H 3AH39H 3CH3BH 3EH 3FH3DH
41H40H 43H42H 45H44H 46H 48H47H 4AH49H 4CH4BH 4EH 4FH4DH
51H50H 53H52H 55H54H 56H 58H57H 5AH59H 5CH5BH 5EH 5FH5DH
61H60H 63H62H 65H64H 66H 68H67H 6AH69H 6CH6BH 6EH 6FH6DH
71H70H 73H72H 75H74H 76H 78H77H 7AH79H 7CH7BH 7EH 7FH7DH
XXH
DDRAM
address area
DDRAM address
Display area
[After line scroll]
[Before line scroll]
Display line 1
Display line 2
Display line 1
Display line 2
Line blink display control
Function: Displays the specified line in back-and-while
reverse form.
The specified line corresponds to the address
line of the DDRAM.
(Not the display line)
• Displays the specified line of the DDRAM in black-
and-white form by setting LB4 to LB1.
LB4 = 0 : Displays the data for line 4 of
the DDRAM in standard form.
(no blink)
[DDRAM 60H to 6FH]
LB4 = 1 : Displays the data for line 4 of
DDRAM in black-and-white
reverse blink form.
[DDRAM 60H to 6FH]
LB3 = 0 : Displays the data for line 3 of
the DDRAM in standard form.
(no blink)
[ DDRAM 50H to 5FH]
LB3 = 1 : Displays the data for line 3 of
the DDRAM in black-and-white
reverse blink form.
[DDRAM 50H to 5FH]
LB2 = 0 : Displays the data for line 2 of
the DDRAM in standard form.
(no blink)
[DDRAM 40H to 4FH]
LB2 = 1 : Displays the data for line 2 of
the DDRAM in black-and-white
reverse blink form.
[DDRAM 40H to 4FH]
LB1 = 0 : Displays the data for line 1 of
the DDRAM in standard form.
(no blink)
[DDRAM 30H to 3FH]
LB1 = 1 : Displays the data for line 1 of
the DDRAM in black-and-white
reverse blink form.
[DDRAM 30H to 3FH]
•f
BLINK = 1 to 2Hz.
• Blinking is performed at the same frequency as cursor
blink.
If blinking is caused to occur at the same time, the
cursor position will be hard to know.
RE A0 WR D7 D6 D5 D4 D3 D2 D1 D0
0000010
LB4 LB3 LB2 LB1