ks0070b Samsung Semiconductor, Inc., ks0070b Datasheet - Page 2

• Manufacturer Part Number: ks0070b
• Description: 16com / 80seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0070B
BLOCK DIAGRAM
DB0-DB3
DB4-DB7
VDD
GND
V1
V2
V3
V4
V5
R/W
OSC1
OSC2
RS
E
4
4
Generation
Output
Buffer
Input
Timing
Circuit
8
8
Busy
Flag
Instruction
Register
Register
(DR)
Data
(IR)
16COM / 80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
(CG ROM)
Character
Generator
7
8320 bits
8
ROM
7
Instruction
Decoder
8
5
(ID)
8
Data conversion
Parallel to serial
(CG RAM)
Character
Generator
Counter (AC)
512 bits
Address
RAM
circuit
8
5
7
7
Data RAM
(DD RAM)
640 bits
Display
Cursor
Control
Circuit
Blink
8
Register
80 bit
shift
Register
16 bit
Shift
Circuit
80 bit
Latch
common
16-bit
Driver
Segment
Driver
CLK1
CLK2
M
16
COM1-
COM16
SEG1-
SET80
80
D