Specifications

5–2 EPSON
SED1225 Series
BLOCK DIAGRAM
CGROM
CGRAM
Cursor
Control
COM1 to 24
COMS1,2
SEG1 to 60
SEGS1,2,4,5
COMSA
SEGSA to J
XLE1 XLE2
V S1
XCK
OCA
OCB
OCC
OCD
OCE
D0
D1
D2
D3
D4
D5
D6(SCL)
D7(SI)
IF
RES
XCS
XWR(E)
PS
C86
A0
V REG1
V REG2
V 1
V 3
V 4
V 5
Input Buffer
MPU Interface
Timing Generator
LCD Driver
Address
Counter
Command
Decoder
LED
Driver
Segment
Driver
COM
Driver
Static
Icon
Driver
DDRAM
Symbol
Register
OSC
Refresh
Address
Counter