ks0078 Samsung Semiconductor, Inc., ks0078 Datasheet - Page 3

• Manufacturer Part Number: ks0078
• Description: 34com/120seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0078
BLOCK DIAGRAM






























V5OUT2
(VSS)
V5OUT3
RS/
CS
E/
SCLK
RW/
SID
DB0/
SOD
IM
DB4 -
DB7
DB3 -
DB1
Vci
GND
RESET
C2
VDD
C1
Power On Reset
(POR)
Voltage Converter
Interface
System
Output
Buffer
Input/
Serial
4 bit
8 bit
8
/
8
/
Busy
Flag
Data
Register
Instruction
Register
(DR)
(IR)
7
/
SegmentRAM
(SEGRAM)
16 bytes
/ 8
8
/
/ 3
34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
Instruction
Decoder
IE
Address
Counter
Ch aracter
Gen erator
RAM(CGRAM)
64 b ytes
/ 7



















































OSC1
Parallel / Serial Converter
and Smooth Scroll Circuit
Oscillator
/ 8
/ 5/6
7
/
OSC2
Ch aracter
Gen erator
ROM(CGROM)
960 0 b its
Display Data
RAM (DDRAM)
96 x 8 bits
/ 8
/ 8
/ 5
/ 7
Timing Generator
Cursor and
Blink
Controller
120 bit
Shift
Register
34 bit
Shift
Register
120 bit
Latch
Circuit
Common
Driver
Segment
Driver
LCD Driver
Voltage
Selector
V1 - V5
COM0 -
COM33
SEG1 -
SEG120