S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 86

• Manufacturer Part Number: S1D1
• Description: LCD Controller-driver With Built-in Character ROM
• Manufacturer: Epson Electronics America, Inc.

S1D15206 Series
3. BLOCK DIAGRAM (S1D15206
4–2
CAP1+
CAP1–
CAP2+
CAP2–
V
V
R
OUT
V
V
V1
V3
V5
DD
V2
V4
SS
Page address
SR2 SR1 WR RD CS2 CS1 A0
Power circuit
Bus holder
register
Microprocessor interface
Voltage
select
circuit
*
00
**
)
Command decoder
SEG0
7-bit column address counter
7-bit column address register
···············································
80x33-dot display data RAM
Column address decoder
EPSON
Display data latch
·····························
Segment driver
D0
SEG79
D1
register
Status
D2
COM0
Common driver
·····················
Shift register
D3
I/O buffer
····
COM15
D4
generator circuit
Display timing
D5
Oscillator
CMOS
D6
D7
FR
CL
M/S
Rev.3.5