KS0093 Просмотр технического описания (PDF) - Samsung
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KS0093 Datasheet PDF : 55 Pages
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26 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD
KS0093
BLOCK DIAGRAM
RESETB
PS
IF
CK
Oscillator
Timing Generator
MI
CSB
RS
RW_WR
E_RD
DB7
(SI)
DB6
(SCL)
DB5-
DB4
DB3-
DB0
Parallel
8
Instruction
Register
(IR)
Interface
Instruction
Decoder
4 bit/8 bit
Address
Display
Counter
Data RAM
(DDRAM)
Serial
8
Data
Register
Interface
(DR)
512 bits
7
8 Data Output
Register
8
8
Input Buffer
(OR)
8
5
8
25 bits
Shift
Register
COM1-
Common COM24
Driver
COM I1
COM I2
80 bits
Shift
Register
80 bits
Latch
Circuit
SEG1-
Segment SEG80
Driver
Icon
RAM
80 bits
Character
Generator
RAM
(CGRAM)
320 bits
5
Character
Generator
ROM
(CGROM)
10240 bits
5
Cursor
and
Blink
Controlle
r
LCD
Driver
Voltage
Selector
VDD
GND
Segment Data Conversion
Voltage Converter
LCD Driving Power Circuit
Voltage Regulator Voltage Follower & Bias Resistor
CAP1+ CAP1- CAP2+ CAP2- VOUT V0 VEXT REF
VR V1 V2 V3 V4
Figure 1. Block Diagram
DIRS
3
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