Datasheet

NT7603
3 V2.3
Block Diagram
I/O
BUFFER
V1
V2
V3
V4
V5
RS
R/W
E
DB7 ~ DB4
DB3 ~ DB0
4
4
INSTRUCTION
REGISTER
(IR)
8
INSTRUCTION
DECODE
8
ADDRESS
COUNTER
V DD
GND
OSC1
OSC2
TIMING
GENERATOR
DATA
REGISTER
(DR)
BUSY
FLAG
(BF)
8
7
7
CHARACTER
GENERATOR
RAM
(CG RAM)
64 X 8 BITS
CURSOR
ADDRESS
COUNTER
DISPLAY
DATA
RAM
(DD RAM)
80 X 8 BITS
16-BIT
SHIFT
REGISTER
COMMON
SIGNAL
DRIVER
7
CURSOR
/BLINK
CONTROLLER
7
7
7
LCD DRIVER
VOLTAGE
GENERATOR
16
8
8
CHARACTER
GENERATOR
ROM (CG ROM)
8
16
COM1
I
COM16
80-BIT
LATCH
CIRCUIT
SEGMENT
SIGNAL
DRIVER
80
80
SEG1
I
SEG80
PARALLER - TO - SERIAL
CONVERTER
5
5
TESTM
7
OPT_R0
OPT_R1
OPT_LCD
TEST
TESTD