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Número de pieza
componentes Descripción
UPD16661A Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
UPD16661A
160-OUTPUT LCD COLUMN (SEGMENT) DRIVER WITH RAM
NEC => Renesas Technology
UPD16661A Datasheet PDF : 36 Pages
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BLOCK DIAGRAM
µ
PD16661A
DIR
PL0,1,2
TEST
A0 to A16
Control
/CS,/OE,
/WE,/UBE
RDY
BMODE
D0 to D15
GMODE
/REFRH
/RESET
MS
OSC1
OSC2
/DOFF
3.3 V operation
Address
input
control
Address
management
circuit
Data bus
control
STOP
CR
oscillator
Liquid-crystal
timing generation
/FRM STB
5.0V operation
Arbiter
Frame
thinning-out
Internal timing
generation
Self-diagnosis
circuit
Level shifter
RAM
160x240x2 bits
Data latch(1)
FRC control
Data latch(2)
DEC
3.3 V operation
5.0 V operation
Liquid-crystal drive
V
0
circuit
V
1
160 outputs
V
2
/FRM STB /DOUT L1
L2
Y1 Y2 Y3
Y160
3
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