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UPD16662 Datasheet(PDF) 3 Page - NEC

Part No. UPD16662
Description  240 OUTPUT LCD COLUMN SEGMENT DRIVER WITH BUILT-IN RAM
Download  36 Pages
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPD16662 Datasheet(HTML) 3 Page - NEC

 
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3
µµµµPD16662
Block Diagram
RAM
240 x 160 x 2 bit
DEC
Liquid crystal drive circuit
240 outputs
3.3 V operation
5.0 V operation
3.3 V operation
5.0 V operation
V0
V1
V2
Y240
Y1 Y2 Y3
L2
/DOUT
STB
/FRM
PULSE
L1
PULSE /FRM STB
DIR
PL0, PL1
TEST
RDY
BMODE
D0 - D15
/REFRH
/RESET
MS
/DOFF
OSC1
OSC2
STOP
A0 - A16
Control
/CS, /OE,
/WE, /UBE
Address
input
control
Address
management
control
Arbiter
Data latch (1)
Data latch (2)
Gray level control
Gray scale
generation
circuit
Internal timing
generation
Self-diagnosis
circuit
Data bus
control
CR
oscillator
Liquid crystal
timing generation
Level shifter


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