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SED1280F
Dot Matrix LCD Controller Driver
PF558-03
Serial Data Interface
Built-in Key Matrix Controller
Built-in LED Controller
DESCRIPTION
SED1280F is a dot matrix type LCD controller driver exclusively for displaying characters. Display control is
possible up to 80 characters with the built-in CG-RAM when used with an expansion driver.
Since this driver is provided with the conventional SED1278F as its core, enhanced with additional functions by
serial data interface for connection with MPU, key matrix controller, LED controller and input^output ports, it is
the most suitable for application to appliances such as a facsimile machine.
The CG can be utilized in applications tuned to the users, needs by altering data in the built-in CG-ROM.
FEATURES
Connection with MPU by serial data I^F
LCD control section
Display data RAM ...................................... 80 bytes (80 characters)
Character generator ROM ......................... 240 characters (Able to 256 characters)
Character font ............................ 5
10 dots (240 types)
Character generator RAM .......................... 64 bytes
5
7 (5
8) .............................. 8 types
5
10 (5
11) ......................... 4 types
LCD drive output
Segment signal output ............... 40 pins
Common signal output ............... 16 pins
One-line display
Two-line display
1/8, 1/11
1/16
1
0
6
0
3
8 columns
1 line
80 columns
1 line
8 columns
2 lines
40 columns
2 lines
Duty
SED1280F
SED1181F
Number of Characters Displayed
Examples of numbers of characters displayed
Key matrix scan controller
Capable of controlling 8
10 keys.
LED controller
Capable of controlling 5
8 LEDs.
I/O ports
Input port : 3
Output port : 2
Single power supply ................................... 5V
±10% (Logic)
Low LCD driving voltage ............................ VDD-V5>
= +3.0V
Package ..................................................... QFP5-100pin (plastic)
SED1280F