Specifications

2–2 EPSON
SED1200 Series
BLOCK DIAGRAM
SEG 1 to SEG 50
V
DD VSS
VLCD
COM 1
to
COM 16
WR
RD
A0
CS
DB0
DB1
DB2
DB3
XG
DDRAM
CGRAM CGROM
Data control
Segment signal
generator
Segment driver
CGRAM
control
Read/Write control
Read/Write control
Address
decoder
Address
decoder
Address
decoder
Oscillator
Input controlLatch
Instruction
register
Common signal
generator
Common
driver
Voltage
level shifter
Voltage driver
Address counter (1)
Address control
Address counter (2)
Timing
generation (1)
Timing
generation (2)
XD
ø