S6A0032 Datasheet, PDF (6/39 Pages) Samsung semiconductor – 16 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD

S6A0032 PRELIMINARY SPEC. VER. 0.5
BLOCK DIAGRAM
16 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
Power On
Reset (POR)
RESETB
ECKON CK
Oscillator
DIRC
Timing Generator
MI
CSB
RS
RW_WR
E_RD
DB7 to
DB4
DB3 to
DB0
8
Input Buffer
Instruction
Register
(IR)
Instruction
Decoder
Parallel
Interface
4-/8-bit
(6800/8080
-series)
Address
Counter
Display
Data RAM
8
Data
Register
(DR)
(DDRAM)
256 bits
5
8 ^{Data Output}
Register
(OR)
8
8
8
16 bits
Shift
Register
COM1 to
Common _COM16
Driver
80 bits
Shift
Register
80 bits
Latch
Circuit
SEG1 to
Segment _SEG80
Driver
VDD
GND
Busy
Flag
5
5
Character
Generator
RAM
(CGRAM)
80 bits
Character
Generator
ROM
(CGROM)
10,160 bits
Cursor
and
Blink
Controller
5
5
Segment Data Conversion
DIRS
LCD Driving
Voltage Selector
Voltage Follower
& Bias Resistor
V0 V1 V2 V3 V4
Figure 1. Block Diagram
2