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Número de pieza
componentes Descripción
MC14489DW Ver la hoja de datos (PDF) - Motorola => Freescale
Número de pieza
componentes Descripción
Fabricante
MC14489DW
Multi-Character LED Display/Lamp Driver
Motorola => Freescale
MC14489DW Datasheet PDF : 20 Pages
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+5V
CMOS
MCU/MPU
APPLICATIONS INFORMATION
+5V
MC14489
a
VDD
b
VSS
c
d
e
f
OPTIONAL DATA OUT
g
Rx
h
Rx
DATA IN
CLOCK
ENABLE
BANK 5
BANK 4
BANK 3
BANK 2
BANK 1
8
8
•
#5
8
#4
8
#3
8
8
#2
a
f
b
e gc
d
#1
Figure 10. Non–Cascaded Application Example: 5 Character Common Cathode
LED Display with Two Intensities as Controlled via Serial Port
CMOS
MCU/MPU
a TO h
BANK 1
TO
BANK 5
MC14489 #1
DATA
IN
CLOCK
DATA
ENABLE OUT
a TO h
BANK 1
TO
BANK 5
MC14489 #2
DATA
IN
CLOCK
DATA
ENABLE OUT
OPTIONAL
Figure 11. Cascading Two Devices
MOTOROLA
MC14489
11
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