HT0324A Tomato LSI, Inc., HT0324A Datasheet - Page 7

• Manufacturer Part Number: HT0324A
• Description: 65COM / 132SEG DRIVER & CONTROLLER FOR STN LCD
• Manufacturer: Tomato LSI, Inc.

HT0324A
TOMATO LSI Inc.
3. BLOCK DIAGRAM
VDD
V0
V1
V2
V3
V4
VSS
/HPM
V0
VR
INTRS
REF
VEXT
VOUT
C1-
C1+
C2-
C2+
C3+
C4+
VCI
REGULATOR
CONVERTER
FOLLOWER
VOLTAGE
VOLTAGE
VOLTAGE
65COM / 132SEG DRIVER & CONTROLLER FOR STN LCD
7
ADDRESS
ADDRESS
CIRCUIT
BUFFER
BUFFER
CIRCUIT
33 COMMON
STATUS REGISTER
PAGE
PAGE
MPU INTERFACE CIRCUIT(PARALLEL & SERIAL
CIRCUITS
I/O
I/O
DRIVER
BUS HOLDER
CONTROL CIRCUIT
DISPLAY DATA
Figure 3-1. block diagra
65 x 132 = 8,580 BITS
DISPLAY DATA RAM
65 x 132 = 8,580 BITS
COLUMN ADDRESS
DISPLAY DATA RAM
COLUMN ADDRESS
CIRCUIT
CIRCUIT
INSTRUCTION REGISTER
INSTRUCTION DECODER
132 SEGMENT
CIRCUITS
DRIVER
CONTROL CIRCUIT
COMMON OUTPUT
ADDRESS
ADDRESS
CIRCUIT
CIRCUIT
LINE
LINE
)
33 COMMON
CIRCUITS
DRIVER
GENERATOR
OSCILLATOR
DISPLAY
CIRCUIT
TIMING
Ver 0.0
MS
CL
M
FRS
FR
DISP
DSEL0
DSEL1
CLS