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SED1200F Datasheet(PDF) 1 Page - Epson Company

Part No. SED1200F
Description  Dot Matrix LCD Controller Driver
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Maker  EPSON [Epson Company]
Homepage  http://www.epsondevice.com
Logo EPSON - Epson Company

SED1200F Datasheet(HTML) 1 Page - Epson Company

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1
Dot Matrix LCD Controller Driver
PF135-08
q 1/8 or 1/16 Duty Dot Matrix Drive
q 20 Character Simultaneous Display
q Built in Character Generator ROM and RAM
SED1200F
s DESCRIPTION
The SED1200F is a dot matrix LCD controller/driver with a built in CG (character generator).
The circuit consists of a CG ROM which contains 160 different characters, 4 words CG RAM, 20 words display
data RAM and logic functions to operate a 20 character display. Additional characters may be used by writing
CG data to the 4 words CG RAM.
The device also contains the resistor array for the LCD power supply. The SED1200F is fabricated Silicon Gate
CMOS process and features very low power dissipation. This makes the device very desirable for applications
in hand held, portable and other battery powered instruments.
s FEATURES
q 1/8 or 1/16 duty cycle dot matrix drive
q 20 character simultaneous display
q Built in character generator ROM and RAM
q Built in CR oscillator
q Built in resistor array for LCD power supply
q Compatible with 4 or 8 bit microprocessors
q 2 kinds of character font
q TTL Compatible
q 5
×7+Cursor line or 558 character font
q Power supply
Logic : 2.5V to 5.5V
LCD : 3.5V to 5.5V
q Package ............ SED1200F : QFP1-80pin (plastic)
SED1200D : Die form
s BLOCK DIAGRAM
CLK
Input Controller
Address Counter
Address Controller
Address Counter
Common Generator
Common Driver
LC Power Supply
CGROM 160 words
Segment Signal Generator
Segment Driver
SEG1 SEG50
VSS
VDD
VLCD
COM16
COM1
OSC1 OSC2
LC Power Divider
Instruction
Register
DDRAM
10!2words
(160 bits)
Write/Read
Controller
Latch
CGRAM
CGRAM 5!8 dots!4
(160 bits)
Write/Read Controller
Data Controller
Timing Generator
Oscillator
Timing Generator
WR
RD
A0
CS
DB0
DB1
DB2
DB3
Wide
Voltage
Operation
Products


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