Specifications
3–2 EPSON Rev. 1.1
S1D12205 Series
3. BLOCK DIAGRAM
CGROM
CGRAM
Cursor
Control
COM1 to 24
COMS1,2
SEG1 to 60
SEGS1,2,4,5
COMSA
SEGSA to J
LE1 LE2
V
S1
CK
OCA
OCB
OCC
OCD
OCE
D0
D1
D2
D3
D4
D5
D6(SCL)
D7(SI)
IF
RES
CS
WR(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