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NT7502 데이터 시트보기 (PDF) - Novatek Microelectronics
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NT7502
65 X 132 RAM-Map LCD Controller / Driver
Novatek Microelectronics
NT7502 Datasheet PDF : 54 Pages
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Block Diagram
V
DD
V
0
V1
V2
V3
V4
Vss
TMPS
CAP1+
CAP1-
CAP2+
CAP2-
CAP3+
V
EXT
V
OUT
V
DD2
V
R
V
RS
IRS
HPM
Power Supply
Circuit
Output
status
selector
circuit
Page address
register
SEG0
SEG131 COM0 COM63 COMS
Segment driver
Common
driver
Shift register
Display data latch
132*65-dot
display data RAM
Column address decoder
8-bit column address counter
8-bit column address counter
Display timing
generator
circuit
Bus holder
Command decoder
Bus holder
Oscillator
NT7502
DUTY0
DUTY1
FRS
FR
CL
DOF
M/S
CLS
Microprocessor interface
I/O buffer
CS1
CS2 A0
RD
WR
C86 P/S
RES
(E)
(R / W)
D7 D6 D5 D4 D3 D2 D1 D0
(SI) (SCL)
3
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