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SONY
CXD1244S
Functions
Conceptual block diagram
An
outline
block
diagram
of
this
LSI
is
shown
below.
DPOL
I
N
6—
DPOL
FIR1
NS
-9-
o
IR
FIR2
EMP
S0
%
<U^
SOFT ATT
OFST
F1R3
J
°\>-OFST—
QOUT
o
I
I
I
I
1
-6-
LFS
I
1.
Noise shaping
For
respective outputs
FIR
1
to
3,
MR.
SOFT/ATT
figures
are usually
rounded
off.
However, by
turning
NS
to
"H"
noise
shaping can be
applied.
NS
register
is
cleared
when
I
NIT
is
at
"L"
or
NS
at
"L".
2.
Soft
muting
By
turning
SOFT
to
"HTl",
data
can be
smoothly
muted
or
demuted.
Output amplitude
4
SOFT
3.
Digital
attenuator
Can
attenuate output data
by
means
of
transfer
data from
an
external
microcomputer.
-31
-
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