ks0076b Samsung Semiconductor, Inc., ks0076b Datasheet - Page 2

• Manufacturer Part Number: ks0076b
• Description: 16com/40seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0076B
BLOCK DIAGRAM
DB
DB
OSC
OSC
0
4
Power
supply
for
LCD
Drive
~ DB
~ DB
R/W
2
1
RS
E
3
7
GND
V1
V2
V3
V4
V5
V
DD
Timing
Generation
Circuit
Input
Output
Buffer
Busy
Flag
16COM/40SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
8
8
Data
Register
Instruction
Register
( DR )
( IR )
7
Charater
Generator
ROM
( CG ROM )
8320 bits
7
8
7
5
8
Fig. 1. KS0076B functional block diagram.
Instruction
Decoder
7
Parallel/serial
Data conversion
Circuit
( ID )
8
Character
Generator
RAM
( CG RAM )
512 bits
5
Display
Data RAM
( DD RAM )
80¡¿8 bits
Address
Counter
( AC )
Cursor
Blink
Control
Circuit
40 - bit
Shift
Register
16 - bit
Shift
Register
40
16
40 - bit
Latch
Circuit
Common
Signal
Driver
40
CLK1
CLK2
Segment
Signal
Driver
M
16
40
common
signal
( C
segment
signal
( S
D
1
1
- C
- S
40
16
)
)