ks0068b Samsung Semiconductor, Inc., ks0068b Datasheet - Page 2

• Manufacturer Part Number: ks0068b
• Description: 16com/60seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0068B
BLOCK DIAGRAM
DB
DB
OSC
OSC
0
4
Power
supply
for
LCD
Drive
~ DB
~ DB
R/W
1
2
RS
E
3
7
GND
4
V1
V2
V3
V4
V5
V
4
DD
Timing
Generation
Circuit
Input
Output
Buffer
Busy
Flag
8
8
16COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
Data
Register
Instruction
Register
( DR )
( IR )
7
Charater
Generator
ROM
( CG ROM )
8320 bits
8
7
8
7
5
Fig. 1. KS0068 functional block diagram.
Instruction
Decoder
( ID )
Parallel/Serial
Data conversion
Circuit
8
Character
Generator
RAM
( CG RAM )
512 bits
5
Address
Counter
( AC )
7
7
Display
Data RAM
( DD RAM )
80
8
!
7
Cursor
Blink
Control
Circuit
8 bits
60 - bit
Shift
Register
16 - bit
Shift
Register
60
16
60 - bit
Latch
Circuit
Common
Signal
Driver
60
CLK1
CLK2
Segment
Signal
Driver
M
16
common
signal
( C
1
- C
60
segment
signal
( S
D
16
)
1
- S
60
)