Sony CXD2701Q Data Book page 175

Semiconductor ic, digital audio ics
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SONY
CXD1355AQ
Synchronization
i)
INIT re-synchronization
Re-synchronization
is
triggered
by
the
rising
edge
timing of
INIT.
After
the
synch
ronizati
on
circuit
clears out
the
previous synchronization
timing,
synchronization
is
reset.
By
this
means
the
differential
signal of
the
rising
LRCK
signal
(LRCK
J")
is
placed
in
the center
of
the synchronization
window (WINDOW).
ii)
LRCK
rising
signal position
The
synchronization
circuit
is
controlled
by
clock
signal
CK1
(txiffi).
Depending on
external IC conditions,
LRCK
is
triggered
by
clock
SCK
(fxt),
During synchronization, the
rising
edge
of
LRCK
is
valid
between
the
two
points
shown
in
the
diagram
below.
WCKO
1
SCK
TjmruinjmiirLJirL^^
tCKM
(WINDOW}
(
LRCKJ"]
BCK
LRCK
LRCK
rising
signal oositio^
I
Operation
at
POWER
ON/OFF
Output
timing clock
D/A
output
^
I71

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