Specifications

7–10 EPSON
SED1234/35 Series
Liquid Crystal Drive Circuit Signals
SED1234
SED1235
Pin name I/O Description Q’ty
COM1~
O
Common signal output pin (for characters) 14
COM14 COM8~COM14:W output (21)
COMS2,
O
Common signal output pin (except for characters)
2
CMOS3 CMOS2, CMOS3: Common output for symbol display
SEG2~
O Segment signal output pin (for characters) 60
SEG60
SEGS2,
O
Segment signal output pin (except for characters)
2
SEGS6 SEGS2, SEGS6: Segment output for signal output
Pin name I/O Description Q’ty
COM1~
O Common signal output pin (for characters) 28
COM28
COMS2,
O
Common signal output pin (except for characters)
2
CMOS3 CMOS2, CMOS3: Common output for symbol display
SEG1~
O Segment signal output pin (for characters) 60
SEG60
SEGS2,
O
Segment signal output pin (except for characters)
2
SEGS6 SEGS2, SEGS6: Segment output for signal output