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Twice Charge Pump is selected
LCD Max. Voltage=LV3=3/2*VDD
%
'
Twice Charge Pump is selected
LCD Max. Voltage=LV3=VDD
Floating
No Capacitor
No External Parts is
necessary if user adopt
Internal Fast RC Clock
External Fast Clock:
Crystal osc.
6.$$#7
#
/
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LCD PANEL
! "
#
#
Buzzer
or
Speaker
Circuit
#
#
#
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0
Filter
Circuit
Please Refer
AN022 for Speech
Output Circuit
%'/
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External Slow Clock:
RC osc.
#!)*+),)- .
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External Slow Clock:
Crystal osc.
1/23
#4 /23
#$ %! "& ' !'"
! "
5
External Fast Clock:
RC osc.
%! "
#$ %! "
#$
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