SED1526 EPSON [Epson Company], SED1526 Datasheet - Page 2

• Manufacturer Part Number: SED1526
• Description: Dot Matrix LCD Controller Driver
• Manufacturer: EPSON [Epson Company]

BLOCK DIAGRAM (SED1526
SED1526/28 Series
2
CAP1+
CAP1–
CAP2+
CAP2–
V
V
R
OUT
V
V
V
V
V
V
V
SS
DD
1
2
3
4
5
Page address
SR2 SR1 WR RD CS2 CS1 A0
Power circuit
Bus holder
register
Microprocessor interface
Voltage
select
circuit
*
0
*
)
Command decoder
SEG0
7-bit column address counter
7-bit column address register
···············································
80x33-dot display data RAM
Column address decoder
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
COMS
D6
D7
FR
CL
M/S