Block Diagram - Epson SED1225 Series Technical Manual

SED1225 Series

BLOCK DIAGRAM

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