S6B0755 Datasheet, PDF (5/68 Pages) Samsung semiconductor – 128 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD

128 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
BLOCK DIAGRAM
PRELIMINARY SPEC. VER. 1.0
S6B0755
VDD
V0
V1
V2
V3
V4
VSS2
V0
VR
INTRS
VEXT
REF
VOUT
C1-
C1+
C2-
C2+
C3+
C4+
VCI
128 SEGMENT
DRIVER CIRCUITS
66 COMMON
DRIVER CIRCUITS
V/F
CIRCUIT
V/R
CIRCUIT
SEGMENT CONTROLLER
COMMON CONTROLLER
PAGE
ADDRESS
CIRCUIT
DISPLAY DATA RAM
65 X 128 = 8,320Bits
LINE
ADDRESS
CIRCUIT
COLUMN ADDRESS
CIRCUIT
DISPLAY
TIMING
GENERATOR
CIRCUIT/
OSCILLATOR
V/C
CIRCUIT
INTERNAL
POWER
SUPPLY
INSTRUCTION DECODER & REGISTER
BUS HOLDER
STATUS REGISTER
MPU INTERFACE (PARALLEL & SERIAL)
Figure 1. Block Diagram
2