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Casio SK 8A User Manual

Casio SK 8A
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9.
SAMPLING
CIRCUIT
VC
Fig.
1
Sample
Sound
Input
Circuit
Start
Fig.
2
Vin
Input
Trigger
Level
As
shown
in
Fig.
1,
the
circuit
provides
sampling
signals
to
the
Vin
terminal
of
the
CPU.
Resistors
lOOKohm
and
(100
+
4.7)
Kohm
bias
the
sampling
signal
on
2.863V.
When
the
sampling
sound
level
exceeds
±
0.315V
as
shown
in
Fig.
2,
the
CPU
starts
to
transmit
the
sampling
sound
data
to
the
RAMs
during
the
following
period.
While
sampling,
the
CPU
transmits
the
sampling
sound
data
to
the
sampling
RAMs
directly.
While
sampling,
CPU
does
not
output
key
common
signals
(KOO
~
K09)
so
that
the
keyboard
becomes
inoperative.
Sampled
sounds
are
digitized
in
CPU
and
transmitted
to
the
RAM.

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Casio SK 8A Specifications

General IconGeneral
BrandCasio
ModelSK 8A
CategoryElectronic Keyboard
LanguageEnglish

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